pidl: remove unused async property handling
[samba.git] / pidl / lib / Parse / Pidl / Samba4 / NDR / Parser.pm
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 $res NeededInterface TypeFunctionName ParseElementPrint);
13
14 use strict;
15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred is_charset_array);
19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
21 use Parse::Pidl qw(warning);
22
23 use vars qw($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($$$)
176 {
177         my ($self, $e, $ndr) = @_;
178         my $flags = has_property($e, "flag");
179         if (defined $flags) {
180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
181                 $self->deindent;
182                 $self->pidl("}");
183         }
184 }
185
186 #####################################################################
187 # parse the data of an array - push side
188 sub ParseArrayPushHeader($$$$$$)
189 {
190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
191
192         my $size;
193         my $length;
194
195         if ($l->{IS_ZERO_TERMINATED}) {
196                 if (has_property($e, "charset")) {
197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
198                 } else {
199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
200                 }
201         } else {
202                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
203                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
204         }
205
206         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
207                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
208         }
209         
210         if ($l->{IS_VARYING}) {
211                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
212                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
213         } 
214
215         return $length;
216 }
217
218 sub check_fully_dereferenced($$)
219 {
220         my ($element, $env) = @_;
221
222         return sub ($) {
223                 my $origvar = shift;
224                 my $check = 0;
225
226                 # Figure out the number of pointers in $ptr
227                 my $expandedvar = $origvar;
228                 $expandedvar =~ s/^(\**)//;
229                 my $ptr = $1;
230
231                 my $var = undef;
232                 foreach (keys %$env) {
233                         if ($env->{$_} eq $expandedvar) {
234                                 $var = $_;
235                                 last;
236                         }
237                 }
238                 
239                 return($origvar) unless (defined($var));
240                 my $e;
241                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
242                         if ($_->{NAME} eq $var) {
243                                 $e = $_;
244                                 last;
245                         }
246                 }
247
248                 $e or die("Environment doesn't match siblings");
249
250                 # See if pointer at pointer level $level
251                 # needs to be checked.
252                 my $nump = 0;
253                 foreach (@{$e->{LEVELS}}) {
254                         if ($_->{TYPE} eq "POINTER") {
255                                 $nump = $_->{POINTER_INDEX}+1;
256                         }
257                 }
258                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
259                 return ($origvar);
260         }
261 }       
262
263 sub check_null_pointer($$$$)
264 {
265         my ($element, $env, $print_fn, $return) = @_;
266
267         return sub ($) {
268                 my $expandedvar = shift;
269                 my $check = 0;
270
271                 # Figure out the number of pointers in $ptr
272                 $expandedvar =~ s/^(\**)//;
273                 my $ptr = $1;
274
275                 my $var = undef;
276                 foreach (keys %$env) {
277                         if ($env->{$_} eq $expandedvar) {
278                                 $var = $_;
279                                 last;
280                         }
281                 }
282                 
283                 if (defined($var)) {
284                         my $e;
285                         # lookup ptr in $e
286                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
287                                 if ($_->{NAME} eq $var) {
288                                         $e = $_;
289                                         last;
290                                 }
291                         }
292
293                         $e or die("Environment doesn't match siblings");
294
295                         # See if pointer at pointer level $level
296                         # needs to be checked.
297                         foreach my $l (@{$e->{LEVELS}}) {
298                                 if ($l->{TYPE} eq "POINTER" and 
299                                         $l->{POINTER_INDEX} == length($ptr)) {
300                                         # No need to check ref pointers
301                                         $check = ($l->{POINTER_TYPE} ne "ref");
302                                         last;
303                                 }
304
305                                 if ($l->{TYPE} eq "DATA") {
306                                         warning($element, "too much dereferences for `$var'");
307                                 }
308                         }
309                 } else {
310                         warning($element, "unknown dereferenced expression `$expandedvar'");
311                         $check = 1;
312                 }
313                 
314                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
315         }
316 }
317
318 #####################################################################
319 # parse an array - pull side
320 sub ParseArrayPullHeader($$$$$$)
321 {
322         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
323
324         my $length;
325         my $size;
326
327         if ($l->{IS_CONFORMANT}) {
328                 $length = $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
329         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
330                 $length = $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
331         } else {
332                 $length = $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
333                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
334                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
335                         check_fully_dereferenced($e, $env));
336         }
337
338         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
339                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
340         }
341
342         if ($l->{IS_VARYING}) {
343                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
344                 $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
345         }
346
347         if ($length ne $size) {
348                 $self->pidl("if ($length > $size) {");
349                 $self->indent;
350                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $size, $length);");
351                 $self->deindent;
352                 $self->pidl("}");
353         }
354
355         if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) {
356                 $self->defer("if ($var_name) {");
357                 $self->defer_indent;
358                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
359                         check_null_pointer($e, $env, sub { $self->defer(shift); },
360                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
361                         check_fully_dereferenced($e, $env));
362                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
363                 $self->defer_deindent;
364                 $self->defer("}");
365         }
366
367         if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) {
368                 $self->defer("if ($var_name) {");
369                 $self->defer_indent;
370                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL}, 
371                         check_null_pointer($e, $env, sub { $self->defer(shift); },
372                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
373                         check_fully_dereferenced($e, $env));
374                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
375                 $self->defer_deindent;
376                 $self->defer("}");
377         }
378
379         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
380                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$size);
381         }
382
383         return $length;
384 }
385
386 sub compression_alg($$)
387 {
388         my ($e, $l) = @_;
389         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
390
391         return $alg;
392 }
393
394 sub compression_clen($$$)
395 {
396         my ($e, $l, $env) = @_;
397         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
398
399         return ParseExpr($clen, $env, $e->{ORIGINAL});
400 }
401
402 sub compression_dlen($$$)
403 {
404         my ($e,$l,$env) = @_;
405         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
406
407         return ParseExpr($dlen, $env, $e->{ORIGINAL});
408 }
409
410 sub ParseCompressionPushStart($$$$$)
411 {
412         my ($self,$e,$l,$ndr,$env) = @_;
413         my $comndr = "$ndr\_compressed";
414         my $alg = compression_alg($e, $l);
415         my $dlen = compression_dlen($e, $l, $env);
416
417         $self->pidl("{");
418         $self->indent;
419         $self->pidl("struct ndr_push *$comndr;");
420         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
421
422         return $comndr;
423 }
424
425 sub ParseCompressionPushEnd($$$$$)
426 {
427         my ($self,$e,$l,$ndr,$env) = @_;
428         my $comndr = "$ndr\_compressed";
429         my $alg = compression_alg($e, $l);
430         my $dlen = compression_dlen($e, $l, $env);
431
432         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
433         $self->deindent;
434         $self->pidl("}");
435 }
436
437 sub ParseCompressionPullStart($$$$$)
438 {
439         my ($self,$e,$l,$ndr,$env) = @_;
440         my $comndr = "$ndr\_compressed";
441         my $alg = compression_alg($e, $l);
442         my $dlen = compression_dlen($e, $l, $env);
443
444         $self->pidl("{");
445         $self->indent;
446         $self->pidl("struct ndr_pull *$comndr;");
447         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
448
449         return $comndr;
450 }
451
452 sub ParseCompressionPullEnd($$$$$)
453 {
454         my ($self,$e,$l,$ndr,$env) = @_;
455         my $comndr = "$ndr\_compressed";
456         my $alg = compression_alg($e, $l);
457         my $dlen = compression_dlen($e, $l, $env);
458
459         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
460         $self->deindent;
461         $self->pidl("}");
462 }
463
464 sub ParseSubcontextPushStart($$$$$)
465 {
466         my ($self,$e,$l,$ndr,$env) = @_;
467         my $subndr = "_ndr_$e->{NAME}";
468         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
469
470         $self->pidl("{");
471         $self->indent;
472         $self->pidl("struct ndr_push *$subndr;");
473         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
474
475         if (defined $l->{COMPRESSION}) {
476                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
477         }
478
479         return $subndr;
480 }
481
482 sub ParseSubcontextPushEnd($$$$$)
483 {
484         my ($self,$e,$l,$ndr,$env) = @_;
485         my $subndr = "_ndr_$e->{NAME}";
486         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
487
488         if (defined $l->{COMPRESSION}) {
489                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
490         }
491
492         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
493         $self->deindent;
494         $self->pidl("}");
495 }
496
497 sub ParseSubcontextPullStart($$$$$)
498 {
499         my ($self,$e,$l,$ndr,$env) = @_;
500         my $subndr = "_ndr_$e->{NAME}";
501         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
502
503         $self->pidl("{");
504         $self->indent;
505         $self->pidl("struct ndr_pull *$subndr;");
506         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
507
508         if (defined $l->{COMPRESSION}) {
509                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
510         }
511
512         return $subndr;
513 }
514
515 sub ParseSubcontextPullEnd($$$$$)
516 {
517         my ($self,$e,$l,$ndr,$env) = @_;
518         my $subndr = "_ndr_$e->{NAME}";
519         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
520
521         if (defined $l->{COMPRESSION}) {
522                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
523         }
524
525         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
526         $self->deindent;
527         $self->pidl("}");
528 }
529
530 sub ParseElementPushLevel
531 {
532         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
533
534         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
535
536         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
537                 $var_name = get_pointer_to($var_name);
538         }
539
540         if (defined($ndr_flags)) {
541                 if ($l->{TYPE} eq "SUBCONTEXT") {
542                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
543                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
544                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
545                 } elsif ($l->{TYPE} eq "POINTER") {
546                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
547                 } elsif ($l->{TYPE} eq "ARRAY") {
548                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env); 
549
550                         my $nl = GetNextLevel($e, $l);
551
552                         # Allow speedups for arrays of scalar types
553                         if (is_charset_array($e,$l)) {
554                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
555                                 return;
556                         } elsif (has_fast_array($e,$l)) {
557                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
558                                 return;
559                         } 
560                 } elsif ($l->{TYPE} eq "SWITCH") {
561                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
562                 } elsif ($l->{TYPE} eq "DATA") {
563                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
564                 } elsif ($l->{TYPE} eq "TYPEDEF") {
565                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
566                 }
567         }
568
569         if ($l->{TYPE} eq "POINTER" and $deferred) {
570                 my $rel_var_name = $var_name;
571                 if ($l->{POINTER_TYPE} ne "ref") {
572                         $self->pidl("if ($var_name) {");
573                         $self->indent;
574                         if ($l->{POINTER_TYPE} eq "relative") {
575                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
576                         }
577                         if ($l->{POINTER_TYPE} eq "relative_short") {
578                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
579                         }
580                 }
581                 $var_name = get_value_of($var_name);
582                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
583
584                 if ($l->{POINTER_TYPE} ne "ref") {
585                         if ($l->{POINTER_TYPE} eq "relative") {
586                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
587                         }
588                         $self->deindent;
589                         $self->pidl("}");
590                 }
591         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
592                 not is_charset_array($e, $l)) {
593                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
594                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
595
596                 my $array_pointless = ($length eq "0");
597
598                 if ($array_pointless) {
599                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
600                 }
601
602                 $var_name = get_array_element($var_name, $counter);
603
604                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
605                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
606                         $self->indent;
607                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
608                         $self->deindent;
609                         $self->pidl("}");
610                 }
611
612                 if ($deferred and ContainsDeferred($e, $l) 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, 0, 1);
616                         $self->deindent;
617                         $self->pidl("}");
618                 }       
619         } elsif ($l->{TYPE} eq "SWITCH") {
620                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
621         }
622 }
623
624 #####################################################################
625 # parse scalars in a structure element
626 sub ParseElementPush($$$$$$)
627 {
628         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
629         my $subndr = undef;
630
631         my $var_name = $env->{$e->{NAME}};
632
633         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
634
635         # Representation type is different from transmit_as
636         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
637                 $self->pidl("{");
638                 $self->indent;
639                 my $transmit_name = "_transmit_$e->{NAME}";
640                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
641                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
642                 $var_name = $transmit_name;
643         }
644
645         $var_name = append_prefix($e, $var_name);
646
647         $self->start_flags($e, $ndr);
648
649         if (defined(my $value = has_property($e, "value"))) {
650                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
651         }
652
653         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
654
655         $self->end_flags($e, $ndr);
656
657         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
658                 $self->deindent;
659                 $self->pidl("}");
660         }
661 }
662
663 #####################################################################
664 # parse a pointer in a struct element or function
665 sub ParsePtrPush($$$$$)
666 {
667         my ($self,$e,$l,$ndr,$var_name) = @_;
668
669         if ($l->{POINTER_TYPE} eq "ref") {
670                 $self->pidl("if ($var_name == NULL) {");
671                 $self->indent;
672                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
673                 $self->deindent;
674                 $self->pidl("}");
675                 if ($l->{LEVEL} eq "EMBEDDED") {
676                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
677                 }
678         } elsif ($l->{POINTER_TYPE} eq "relative") {
679                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
680         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
681                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
682         } elsif ($l->{POINTER_TYPE} eq "unique") {
683                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
684         } elsif ($l->{POINTER_TYPE} eq "full") {
685                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
686         } else {
687                 die("Unhandled pointer type $l->{POINTER_TYPE}");
688         }
689 }
690
691 sub need_pointer_to($$$)
692 {
693         my ($e, $l, $scalar_only) = @_;
694
695         my $t;
696         if (ref($l->{DATA_TYPE})) {
697                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
698         } else {
699                 $t = $l->{DATA_TYPE};
700         }
701
702         if (not Parse::Pidl::Typelist::is_scalar($t)) {
703                 return 1 if $scalar_only;
704         }
705
706         my $arrays = 0;
707
708         foreach my $tl (@{$e->{LEVELS}}) {
709                 last if $l == $tl;
710                 if ($tl->{TYPE} eq "ARRAY") {
711                         $arrays++;
712                 }
713         }
714
715         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
716                 return 1 unless $arrays;
717         }
718
719         return 0;
720 }
721
722 sub ParseDataPrint($$$$$)
723 {
724         my ($self, $e, $l, $ndr, $var_name) = @_;
725
726         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
727
728                 if (need_pointer_to($e, $l, 1)) {
729                         $var_name = get_pointer_to($var_name);
730                 }
731
732                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
733         } else {
734                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
735         }
736 }
737
738 #####################################################################
739 # print scalars in a structure element
740 sub ParseElementPrint($$$$$)
741 {
742         my($self, $e, $ndr, $var_name, $env) = @_;
743
744         return if (has_property($e, "noprint"));
745
746         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
747                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
748                 return;
749         }
750
751         $var_name = append_prefix($e, $var_name);
752
753         if (defined(my $value = has_property($e, "value"))) {
754                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
755         }
756
757         foreach my $l (@{$e->{LEVELS}}) {
758                 if ($l->{TYPE} eq "POINTER") {
759                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
760                         $self->pidl("$ndr->depth++;");
761                         if ($l->{POINTER_TYPE} ne "ref") {
762                                 $self->pidl("if ($var_name) {");
763                                 $self->indent;
764                         }
765                         $var_name = get_value_of($var_name);
766                 } elsif ($l->{TYPE} eq "ARRAY") {
767                         my $length;
768
769                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
770                                 $var_name = get_pointer_to($var_name); 
771                         }
772                         
773                         if ($l->{IS_ZERO_TERMINATED}) {
774                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
775                         } else {
776                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL}, 
777                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
778                         }
779
780                         if (is_charset_array($e,$l)) {
781                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
782                                 last;
783                         } elsif (has_fast_array($e, $l)) {
784                                 my $nl = GetNextLevel($e, $l);
785                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
786                                 last;
787                         } else {
788                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
789
790                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
791                                 $self->pidl("$ndr->depth++;");
792                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
793                                 $self->indent;
794                                 $self->pidl("char *idx_$l->{LEVEL_INDEX}=NULL;");
795                                 $self->pidl("if (asprintf(&idx_$l->{LEVEL_INDEX}, \"[\%d]\", $counter) != -1) {");
796                                 $self->indent;
797
798                                 $var_name = get_array_element($var_name, $counter);
799                         }
800                 } elsif ($l->{TYPE} eq "DATA") {
801                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
802                 } elsif ($l->{TYPE} eq "SWITCH") {
803                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL}, 
804                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
805                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
806                 } 
807         }
808
809         foreach my $l (reverse @{$e->{LEVELS}}) {
810                 if ($l->{TYPE} eq "POINTER") {
811                         if ($l->{POINTER_TYPE} ne "ref") {
812                                 $self->deindent;
813                                 $self->pidl("}");
814                         }
815                         $self->pidl("$ndr->depth--;");
816                 } elsif (($l->{TYPE} eq "ARRAY")
817                         and not is_charset_array($e,$l)
818                         and not has_fast_array($e,$l)) {
819                         $self->pidl("free(idx_$l->{LEVEL_INDEX});");
820                         $self->deindent;
821                         $self->pidl("}");
822                         $self->deindent;
823                         $self->pidl("}");
824                         $self->pidl("$ndr->depth--;");
825                 }
826         }
827 }
828
829 #####################################################################
830 # parse scalars in a structure element - pull size
831 sub ParseSwitchPull($$$$$$)
832 {
833         my($self,$e,$l,$ndr,$var_name,$env) = @_;
834         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL}, 
835                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
836                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
837                 check_fully_dereferenced($e, $env));
838
839         $var_name = get_pointer_to($var_name);
840         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
841 }
842
843 #####################################################################
844 # push switch element
845 sub ParseSwitchPush($$$$$$)
846 {
847         my($self,$e,$l,$ndr,$var_name,$env) = @_;
848         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL}, 
849                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
850                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
851                 check_fully_dereferenced($e, $env));
852
853         $var_name = get_pointer_to($var_name);
854         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
855 }
856
857 sub ParseDataPull($$$$$$$)
858 {
859         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
860
861         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
862
863                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
864
865                 if (need_pointer_to($e, $l, 0)) {
866                         $var_name = get_pointer_to($var_name);
867                 }
868
869                 $var_name = get_pointer_to($var_name);
870
871                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
872
873                 my $pl = GetPrevLevel($e, $l);
874
875                 my $range = has_property($e, "range");
876                 if ($range and $pl->{TYPE} ne "ARRAY") {
877                         $var_name = get_value_of($var_name);
878                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
879                         my ($low, $high) = split(/,/, $range, 2);
880                         if ($low < 0 and not $signed) {
881                                 warning(0, "$low is invalid for the range of an unsigned type");
882                         }
883                         if ($low == 0 and not $signed) {
884                                 $self->pidl("if ($var_name > $high) {");
885                         } else {
886                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
887                         }
888                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
889                         $self->pidl("}");
890                 }
891         } else {
892                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
893         }
894 }
895
896 sub ParseDataPush($$$$$$$)
897 {
898         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
899
900         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
901
902                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
903
904                 # strings are passed by value rather than reference
905                 if (need_pointer_to($e, $l, 1)) {
906                         $var_name = get_pointer_to($var_name);
907                 }
908
909                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
910         } else {
911                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
912         }
913 }
914
915 sub CalcNdrFlags($$$)
916 {
917         my ($l,$primitives,$deferred) = @_;
918
919         my $scalars = 0;
920         my $buffers = 0;
921
922         # Add NDR_SCALARS if this one is deferred 
923         # and deferreds may be pushed
924         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
925
926         # Add NDR_SCALARS if this one is not deferred and 
927         # primitives may be pushed
928         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
929         
930         # Add NDR_BUFFERS if this one contains deferred stuff
931         # and deferreds may be pushed
932         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
933
934         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
935         return "NDR_SCALARS" if ($scalars);
936         return "NDR_BUFFERS" if ($buffers);
937         return undef;
938 }
939
940 sub ParseMemCtxPullFlags($$$$)
941 {
942         my ($self, $e, $l) = @_;
943
944         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
945
946         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
947         return undef if has_fast_array($e, $l);
948         return undef if is_charset_array($e, $l);
949
950         my $mem_flags = "0";
951
952         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
953                 my $nl = GetNextLevel($e, $l);
954                 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
955                 my $next_is_string = (($nl->{TYPE} eq "DATA") and 
956                                         ($nl->{DATA_TYPE} eq "string"));
957                 if ($next_is_array or $next_is_string) {
958                         return undef;
959                 } elsif ($l->{LEVEL} eq "TOP") {
960                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
961                 }
962         }
963
964         return $mem_flags;
965 }
966
967 sub ParseMemCtxPullStart($$$$$)
968 {
969         my ($self, $e, $l, $ndr, $ptr_name) = @_;
970
971         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
972         my $mem_c_ctx = $ptr_name;
973         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
974
975         return unless defined($mem_c_flags);
976
977         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
978         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
979 }
980
981 sub ParseMemCtxPullEnd($$$$)
982 {
983         my ($self, $e, $l, $ndr) = @_;
984
985         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
986         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
987
988         return unless defined($mem_r_flags);
989
990         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
991 }
992
993 sub CheckStringTerminator($$$$$)
994 {
995         my ($self,$ndr,$e,$l,$length) = @_;
996         my $nl = GetNextLevel($e, $l);
997
998         # Make sure last element is zero!
999         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1000 }
1001
1002 sub ParseElementPullLevel
1003 {
1004         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1005
1006         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1007
1008         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1009                 $var_name = get_pointer_to($var_name);
1010         }
1011
1012         # Only pull something if there's actually something to be pulled
1013         if (defined($ndr_flags)) {
1014                 if ($l->{TYPE} eq "SUBCONTEXT") {
1015                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1016                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1017                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1018                 } elsif ($l->{TYPE} eq "ARRAY") {
1019                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1020
1021                         if (my $range = has_property($e, "range")) {
1022                                 my ($low, $high) = split(/,/, $range, 2);
1023                                 if ($low < 0) {
1024                                         warning(0, "$low is invalid for the range of an array size");
1025                                 }
1026                                 if ($low == 0) {
1027                                         $self->pidl("if ($length > $high) {");
1028                                 } else {
1029                                         $self->pidl("if ($length < $low || $length > $high) {");
1030                                 }
1031                                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1032                                 $self->pidl("}");
1033                         }
1034
1035                         my $nl = GetNextLevel($e, $l);
1036
1037                         if (is_charset_array($e,$l)) {
1038                                 if ($l->{IS_ZERO_TERMINATED}) {
1039                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1040                                 }
1041                                 $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}));");
1042                                 return;
1043                         } elsif (has_fast_array($e, $l)) {
1044                                 if ($l->{IS_ZERO_TERMINATED}) {
1045                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1046                                 }
1047                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1048                                 return;
1049                         }
1050                 } elsif ($l->{TYPE} eq "POINTER") {
1051                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1052                 } elsif ($l->{TYPE} eq "SWITCH") {
1053                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1054                 } elsif ($l->{TYPE} eq "DATA") {
1055                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1056                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1057                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1058                 }
1059         }
1060
1061         # add additional constructions
1062         if ($l->{TYPE} eq "POINTER" and $deferred) {
1063                 if ($l->{POINTER_TYPE} ne "ref") {
1064                         $self->pidl("if ($var_name) {");
1065                         $self->indent;
1066
1067                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1068                                 $self->pidl("uint32_t _relative_save_offset;");
1069                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1070                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1071                         }
1072                 }
1073
1074                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1075
1076                 $var_name = get_value_of($var_name);
1077                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1078
1079                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1080
1081                 if ($l->{POINTER_TYPE} ne "ref") {
1082                         if ($l->{POINTER_TYPE} eq "relative") {
1083                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1084                                 $self->indent;
1085                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1086                                 $self->deindent;
1087                                 $self->pidl("}");
1088                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1089                         }
1090                         $self->deindent;
1091                         $self->pidl("}");
1092                 }
1093         } elsif ($l->{TYPE} eq "ARRAY" and 
1094                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1095                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1096                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1097                 my $array_name = $var_name;
1098
1099                 if ($l->{IS_VARYING}) {
1100                         $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
1101                 }
1102
1103                 if (my $range = has_property($e, "range")) {
1104                         my ($low, $high) = split(/,/, $range, 2);
1105                         if ($low < 0) {
1106                                 warning(0, "$low is invalid for the range of an array size");
1107                         }
1108                         if ($low == 0) {
1109                                 $self->pidl("if ($length > $high) {");
1110                         } else {
1111                                 $self->pidl("if ($length < $low || $length > $high) {");
1112                         }
1113                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1114                         $self->pidl("}");
1115                 }
1116
1117                 $var_name = get_array_element($var_name, $counter);
1118
1119                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1120
1121                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1122                         my $nl = GetNextLevel($e,$l);
1123
1124                         if ($l->{IS_ZERO_TERMINATED}) {
1125                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1126                         }
1127
1128                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1129                         $self->indent;
1130                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1131                         $self->deindent;
1132                         $self->pidl("}");
1133                 }
1134
1135                 if ($deferred and ContainsDeferred($e, $l)) {
1136                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1137                         $self->indent;
1138                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1139                         $self->deindent;
1140                         $self->pidl("}");
1141                 }
1142
1143                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1144
1145         } elsif ($l->{TYPE} eq "SWITCH") {
1146                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1147         }
1148 }
1149
1150 #####################################################################
1151 # parse scalars in a structure element - pull size
1152 sub ParseElementPull($$$$$$)
1153 {
1154         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1155
1156         my $var_name = $env->{$e->{NAME}};
1157         my $represent_name;
1158         my $transmit_name;
1159
1160         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1161
1162         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1163                 $self->pidl("{");
1164                 $self->indent;
1165                 $represent_name = $var_name;
1166                 $transmit_name = "_transmit_$e->{NAME}";
1167                 $var_name = $transmit_name;
1168                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1169         }
1170
1171         $var_name = append_prefix($e, $var_name);
1172
1173         $self->start_flags($e, $ndr);
1174
1175         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1176
1177         $self->end_flags($e, $ndr);
1178
1179         # Representation type is different from transmit_as
1180         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1181                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1182                 $self->deindent;
1183                 $self->pidl("}");
1184         }
1185 }
1186
1187 #####################################################################
1188 # parse a pointer in a struct element or function
1189 sub ParsePtrPull($$$$$)
1190 {
1191         my($self, $e,$l,$ndr,$var_name) = @_;
1192
1193         my $nl = GetNextLevel($e, $l);
1194         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1195         my $next_is_string = (($nl->{TYPE} eq "DATA") and 
1196                                                  ($nl->{DATA_TYPE} eq "string"));
1197
1198         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1199
1200                 if (!$next_is_array and !$next_is_string) {
1201                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1202                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);"); 
1203                         $self->pidl("}");
1204                 }
1205                 
1206                 return;
1207         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1208                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1209         } elsif (($l->{POINTER_TYPE} eq "unique") or 
1210                  ($l->{POINTER_TYPE} eq "relative") or
1211                  ($l->{POINTER_TYPE} eq "full")) {
1212                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1213         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1214                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1215         } else {
1216                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1217         }
1218
1219         $self->pidl("if (_ptr_$e->{NAME}) {");
1220         $self->indent;
1221
1222         # Don't do this for arrays, they're allocated at the actual level 
1223         # of the array
1224         unless ($next_is_array or $next_is_string) { 
1225                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);"); 
1226         } else {
1227                 # FIXME: Yes, this is nasty.
1228                 # We allocate an array twice
1229                 # - once just to indicate that it's there,
1230                 # - then the real allocation...
1231                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1232         }
1233
1234         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1235         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1236                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1237         }
1238         $self->deindent;
1239         $self->pidl("} else {");
1240         $self->pidl("\t$var_name = NULL;");
1241         $self->pidl("}");
1242 }
1243
1244 sub ParseStructPushPrimitives($$$$$)
1245 {
1246         my ($self, $struct, $ndr, $varname, $env) = @_;
1247
1248         # see if the structure contains a conformant array. If it
1249         # does, then it must be the last element of the structure, and
1250         # we need to push the conformant length early, as it fits on
1251         # the wire before the structure (and even before the structure
1252         # alignment)
1253         if (defined($struct->{SURROUNDING_ELEMENT})) {
1254                 my $e = $struct->{SURROUNDING_ELEMENT};
1255
1256                 if (defined($e->{LEVELS}[0]) and 
1257                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1258                         my $size;
1259                         
1260                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1261                                 if (has_property($e, "charset")) {
1262                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1263                                 } else {
1264                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1265                                 }
1266                         } else {
1267                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1268                         }
1269
1270                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1271                 } else {
1272                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1273                 }
1274         }
1275
1276         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1277
1278         if (defined($struct->{PROPERTIES}{relative_base})) {
1279                 # set the current offset as base for relative pointers
1280                 # and store it based on the toplevel struct/union
1281                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1282         }
1283
1284         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1285
1286         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1287 }
1288
1289 sub ParseStructPushDeferred($$$$)
1290 {
1291         my ($self, $struct, $ndr, $varname, $env) = @_;
1292         if (defined($struct->{PROPERTIES}{relative_base})) {
1293                 # retrieve the current offset as base for relative pointers
1294                 # based on the toplevel struct/union
1295                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1296         }
1297         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1298 }
1299
1300 #####################################################################
1301 # parse a struct
1302 sub ParseStructPush($$$$)
1303 {
1304         my ($self, $struct, $ndr, $varname) = @_;
1305         
1306         return unless defined($struct->{ELEMENTS});
1307
1308         my $env = GenerateStructEnv($struct, $varname);
1309
1310         EnvSubstituteValue($env, $struct);
1311
1312         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1313
1314         $self->start_flags($struct, $ndr);
1315
1316         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1317         $self->indent;
1318         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1319         $self->deindent;
1320         $self->pidl("}");
1321
1322         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1323         $self->indent;
1324         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1325         $self->deindent;
1326         $self->pidl("}");
1327
1328         $self->end_flags($struct, $ndr);
1329 }
1330
1331 #####################################################################
1332 # generate a push function for an enum
1333 sub ParseEnumPush($$$$)
1334 {
1335         my($self,$enum,$ndr,$varname) = @_;
1336         my($type_fn) = $enum->{BASE_TYPE};
1337
1338         $self->start_flags($enum, $ndr);
1339         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1340         $self->end_flags($enum, $ndr);
1341 }
1342
1343 #####################################################################
1344 # generate a pull function for an enum
1345 sub ParseEnumPull($$$$)
1346 {
1347         my($self,$enum,$ndr,$varname) = @_;
1348         my($type_fn) = $enum->{BASE_TYPE};
1349         my($type_v_decl) = mapTypeName($type_fn);
1350
1351         $self->pidl("$type_v_decl v;");
1352         $self->start_flags($enum, $ndr);
1353         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1354         $self->pidl("*$varname = v;");
1355
1356         $self->end_flags($enum, $ndr);
1357 }
1358
1359 #####################################################################
1360 # generate a print function for an enum
1361 sub ParseEnumPrint($$$$$)
1362 {
1363         my($self,$enum,$ndr,$name,$varname) = @_;
1364
1365         $self->pidl("const char *val = NULL;");
1366         $self->pidl("");
1367
1368         $self->start_flags($enum, $ndr);
1369
1370         $self->pidl("switch ($varname) {");
1371         $self->indent;
1372         my $els = \@{$enum->{ELEMENTS}};
1373         foreach my $i (0 .. $#{$els}) {
1374                 my $e = ${$els}[$i];
1375                 chomp $e;
1376                 if ($e =~ /^(.*)=/) {
1377                         $e = $1;
1378                 }
1379                 $self->pidl("case $e: val = \"$e\"; break;");
1380         }
1381
1382         $self->deindent;
1383         $self->pidl("}");
1384         
1385         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1386
1387         $self->end_flags($enum, $ndr);
1388 }
1389
1390 sub DeclEnum($$$$)
1391 {
1392         my ($e,$t,$name,$varname) = @_;
1393         return "enum $name " . 
1394                 ($t eq "pull"?"*":"") . $varname;
1395 }
1396
1397 $typefamily{ENUM} = {
1398         DECL => \&DeclEnum,
1399         PUSH_FN_BODY => \&ParseEnumPush,
1400         PULL_FN_BODY => \&ParseEnumPull,
1401         PRINT_FN_BODY => \&ParseEnumPrint,
1402 };
1403
1404 #####################################################################
1405 # generate a push function for a bitmap
1406 sub ParseBitmapPush($$$$)
1407 {
1408         my($self,$bitmap,$ndr,$varname) = @_;
1409         my($type_fn) = $bitmap->{BASE_TYPE};
1410
1411         $self->start_flags($bitmap, $ndr);
1412
1413         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1414
1415         $self->end_flags($bitmap, $ndr);
1416 }
1417
1418 #####################################################################
1419 # generate a pull function for an bitmap
1420 sub ParseBitmapPull($$$$)
1421 {
1422         my($self,$bitmap,$ndr,$varname) = @_;
1423         my $type_fn = $bitmap->{BASE_TYPE};
1424         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1425
1426         $self->pidl("$type_decl v;");
1427         $self->start_flags($bitmap, $ndr);
1428         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1429         $self->pidl("*$varname = v;");
1430
1431         $self->end_flags($bitmap, $ndr);
1432 }
1433
1434 #####################################################################
1435 # generate a print function for an bitmap
1436 sub ParseBitmapPrintElement($$$$$$)
1437 {
1438         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1439         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1440         my($type_fn) = $bitmap->{BASE_TYPE};
1441         my($flag);
1442
1443         if ($e =~ /^(\w+) .*$/) {
1444                 $flag = "$1";
1445         } else {
1446                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1447         }
1448
1449         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1450 }
1451
1452 #####################################################################
1453 # generate a print function for an bitmap
1454 sub ParseBitmapPrint($$$$$)
1455 {
1456         my($self,$bitmap,$ndr,$name,$varname) = @_;
1457         my($type_decl) = mapTypeName($bitmap->{TYPE});
1458         my($type_fn) = $bitmap->{BASE_TYPE};
1459
1460         $self->start_flags($bitmap, $ndr);
1461
1462         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1463
1464         $self->pidl("$ndr->depth++;");
1465         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1466                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1467         }
1468         $self->pidl("$ndr->depth--;");
1469
1470         $self->end_flags($bitmap, $ndr);
1471 }
1472
1473 sub DeclBitmap($$$$)
1474 {
1475         my ($e,$t,$name,$varname) = @_;
1476         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) . 
1477                 ($t eq "pull"?" *":" ") . $varname;
1478 }
1479
1480 $typefamily{BITMAP} = {
1481         DECL => \&DeclBitmap,
1482         PUSH_FN_BODY => \&ParseBitmapPush,
1483         PULL_FN_BODY => \&ParseBitmapPull,
1484         PRINT_FN_BODY => \&ParseBitmapPrint,
1485 };
1486
1487 #####################################################################
1488 # generate a struct print function
1489 sub ParseStructPrint($$$$$)
1490 {
1491         my($self,$struct,$ndr,$name,$varname) = @_;
1492
1493         return unless defined $struct->{ELEMENTS};
1494
1495         my $env = GenerateStructEnv($struct, $varname);
1496
1497         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1498
1499         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1500         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1501
1502         $self->start_flags($struct, $ndr);
1503
1504         $self->pidl("$ndr->depth++;");
1505         
1506         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1507                 foreach (@{$struct->{ELEMENTS}});
1508         $self->pidl("$ndr->depth--;");
1509
1510         $self->end_flags($struct, $ndr);
1511 }
1512
1513 sub DeclarePtrVariables($$)
1514 {
1515         my ($self,$e) = @_;
1516         foreach my $l (@{$e->{LEVELS}}) {
1517                 my $size = 32;
1518                 if ($l->{TYPE} eq "POINTER" and 
1519                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1520                         if ($l->{POINTER_TYPE} eq "relative_short") {
1521                                 $size = 16;
1522                         }
1523                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1524                         last;
1525                 }
1526         }
1527 }
1528
1529 sub DeclareArrayVariables($$)
1530 {
1531         my ($self,$e) = @_;
1532
1533         foreach my $l (@{$e->{LEVELS}}) {
1534                 next if has_fast_array($e,$l);
1535                 next if is_charset_array($e,$l);
1536                 if ($l->{TYPE} eq "ARRAY") {
1537                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1538                 }
1539         }
1540 }
1541
1542 sub DeclareArrayVariablesNoZero($$$)
1543 {
1544         my ($self,$e,$env) = @_;
1545
1546         foreach my $l (@{$e->{LEVELS}}) {
1547                 next if has_fast_array($e,$l);
1548                 next if is_charset_array($e,$l);
1549                 if ($l->{TYPE} eq "ARRAY") {
1550                     my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1551                     if ($length eq "0") {
1552                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1553                     } else {
1554                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1555                     }
1556                 }
1557         }
1558 }
1559
1560 sub DeclareMemCtxVariables($$)
1561 {
1562         my ($self,$e) = @_;
1563         foreach my $l (@{$e->{LEVELS}}) {
1564                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1565                 if (defined($mem_flags)) {
1566                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1567                 }
1568         }
1569 }
1570
1571 sub ParseStructPullPrimitives($$$$$)
1572 {
1573         my($self,$struct,$ndr,$varname,$env) = @_;
1574
1575         if (defined $struct->{SURROUNDING_ELEMENT}) {
1576                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1577         }
1578
1579         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1580
1581         if (defined($struct->{PROPERTIES}{relative_base})) {
1582                 # set the current offset as base for relative pointers
1583                 # and store it based on the toplevel struct/union
1584                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1585         }
1586
1587         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1588
1589         $self->add_deferred();
1590
1591         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1592 }
1593
1594 sub ParseStructPullDeferred($$$$$)
1595 {
1596         my ($self,$struct,$ndr,$varname,$env) = @_;
1597
1598         if (defined($struct->{PROPERTIES}{relative_base})) {
1599                 # retrieve the current offset as base for relative pointers
1600                 # based on the toplevel struct/union
1601                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1602         }
1603         foreach my $e (@{$struct->{ELEMENTS}}) {
1604                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1605         }
1606
1607         $self->add_deferred();
1608 }
1609
1610 #####################################################################
1611 # parse a struct - pull side
1612 sub ParseStructPull($$$$)
1613 {
1614         my($self,$struct,$ndr,$varname) = @_;
1615
1616         return unless defined $struct->{ELEMENTS};
1617
1618         # declare any internal pointers we need
1619         foreach my $e (@{$struct->{ELEMENTS}}) {
1620                 $self->DeclarePtrVariables($e);
1621                 $self->DeclareArrayVariables($e);
1622                 $self->DeclareMemCtxVariables($e);
1623         }
1624
1625         $self->start_flags($struct, $ndr);
1626
1627         my $env = GenerateStructEnv($struct, $varname);
1628
1629         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1630         $self->indent;
1631         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1632         $self->deindent;
1633         $self->pidl("}");
1634         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1635         $self->indent;
1636         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1637         $self->deindent;
1638         $self->pidl("}");
1639
1640         $self->end_flags($struct, $ndr);
1641 }
1642
1643 #####################################################################
1644 # calculate size of ndr struct
1645 sub ParseStructNdrSize($$$$)
1646 {
1647         my ($self,$t, $name, $varname) = @_;
1648         my $sizevar;
1649
1650         if (my $flags = has_property($t, "flag")) {
1651                 $self->pidl("flags |= $flags;");
1652         }
1653         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1654 }
1655
1656 sub DeclStruct($$$$)
1657 {
1658         my ($e,$t,$name,$varname) = @_;
1659         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1660 }
1661
1662 sub ArgsStructNdrSize($$$)
1663 {
1664         my ($d, $name, $varname) = @_;
1665         return "const struct $name *$varname, int flags";
1666 }
1667
1668 $typefamily{STRUCT} = {
1669         PUSH_FN_BODY => \&ParseStructPush,
1670         DECL => \&DeclStruct,
1671         PULL_FN_BODY => \&ParseStructPull,
1672         PRINT_FN_BODY => \&ParseStructPrint,
1673         SIZE_FN_BODY => \&ParseStructNdrSize,
1674         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1675 };
1676
1677 #####################################################################
1678 # calculate size of ndr struct
1679 sub ParseUnionNdrSize($$$)
1680 {
1681         my ($self, $t, $name, $varname) = @_;
1682         my $sizevar;
1683
1684         if (my $flags = has_property($t, "flag")) {
1685                 $self->pidl("flags |= $flags;");
1686         }
1687
1688         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1689 }
1690
1691 sub ParseUnionPushPrimitives($$$$)
1692 {
1693         my ($self, $e, $ndr ,$varname) = @_;
1694
1695         my $have_default = 0;
1696
1697         $self->pidl("int level = ndr_push_get_switch_value($ndr, $varname);");
1698
1699         if (defined($e->{SWITCH_TYPE})) {
1700                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1701         }
1702
1703         if (defined($e->{ALIGN})) {
1704                 $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1705         }
1706
1707         $self->pidl("switch (level) {");
1708         $self->indent;
1709         foreach my $el (@{$e->{ELEMENTS}}) {
1710                 if ($el->{CASE} eq "default") {
1711                         $have_default = 1;
1712                 }
1713                 $self->pidl("$el->{CASE}: {");
1714
1715                 if ($el->{TYPE} ne "EMPTY") {
1716                         $self->indent;
1717                         if (defined($e->{PROPERTIES}{relative_base})) {
1718                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1719                                 # set the current offset as base for relative pointers
1720                                 # and store it based on the toplevel struct/union
1721                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1722                         }
1723                         $self->DeclareArrayVariables($el);
1724                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1725                         $self->deindent;
1726                 }
1727                 $self->pidl("break; }");
1728                 $self->pidl("");
1729         }
1730         if (! $have_default) {
1731                 $self->pidl("default:");
1732                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1733         }
1734         $self->deindent;
1735         $self->pidl("}");
1736 }
1737
1738 sub ParseUnionPushDeferred($$$$)
1739 {
1740         my ($self,$e,$ndr,$varname) = @_;
1741
1742         my $have_default = 0;
1743
1744         $self->pidl("int level = ndr_push_get_switch_value($ndr, $varname);");
1745         if (defined($e->{PROPERTIES}{relative_base})) {
1746                 # retrieve the current offset as base for relative pointers
1747                 # based on the toplevel struct/union
1748                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1749         }
1750         $self->pidl("switch (level) {");
1751         $self->indent;
1752         foreach my $el (@{$e->{ELEMENTS}}) {
1753                 if ($el->{CASE} eq "default") {
1754                         $have_default = 1;
1755                 }
1756
1757                 $self->pidl("$el->{CASE}:");
1758                 if ($el->{TYPE} ne "EMPTY") {
1759                         $self->indent;
1760                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1761                         $self->deindent;
1762                 }
1763                 $self->pidl("break;");
1764                 $self->pidl("");
1765         }
1766         if (! $have_default) {
1767                 $self->pidl("default:");
1768                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1769         }
1770         $self->deindent;
1771         $self->pidl("}");
1772 }
1773
1774 #####################################################################
1775 # parse a union - push side
1776 sub ParseUnionPush($$$$)
1777 {
1778         my ($self,$e,$ndr,$varname) = @_;
1779         my $have_default = 0;
1780
1781         $self->start_flags($e, $ndr);
1782
1783         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1784         $self->indent;
1785         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1786         $self->deindent;
1787         $self->pidl("}");
1788         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1789         $self->indent;
1790         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1791         $self->deindent;
1792         $self->pidl("}");
1793         $self->end_flags($e, $ndr);
1794 }
1795
1796 #####################################################################
1797 # print a union
1798 sub ParseUnionPrint($$$$$)
1799 {
1800         my ($self,$e,$ndr,$name,$varname) = @_;
1801         my $have_default = 0;
1802
1803         $self->pidl("int level;");
1804         foreach my $el (@{$e->{ELEMENTS}}) {
1805                 $self->DeclareArrayVariables($el);
1806         }
1807
1808         $self->start_flags($e, $ndr);
1809
1810         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1811
1812         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1813
1814         $self->pidl("switch (level) {");
1815         $self->indent;
1816         foreach my $el (@{$e->{ELEMENTS}}) {
1817                 if ($el->{CASE} eq "default") {
1818                         $have_default = 1;
1819                 }
1820                 $self->pidl("$el->{CASE}:");
1821                 if ($el->{TYPE} ne "EMPTY") {
1822                         $self->indent;
1823                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1824                         $self->deindent;
1825                 }
1826                 $self->pidl("break;");
1827                 $self->pidl("");
1828         }
1829         if (! $have_default) {
1830                 $self->pidl("default:");
1831                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1832         }
1833         $self->deindent;
1834         $self->pidl("}");
1835
1836         $self->end_flags($e, $ndr);
1837 }
1838
1839 sub ParseUnionPullPrimitives($$$$$)
1840 {
1841         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1842         my $have_default = 0;
1843
1844         if (defined($switch_type)) {
1845                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1846                 $self->pidl("if (_level != level) {"); 
1847                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1848                 $self->pidl("}");
1849         }
1850
1851         if (defined($e->{ALIGN})) {
1852                 $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1853         }
1854
1855         $self->pidl("switch (level) {");
1856         $self->indent;
1857         foreach my $el (@{$e->{ELEMENTS}}) {
1858                 if ($el->{CASE} eq "default") {
1859                         $have_default = 1;
1860                 } 
1861                 $self->pidl("$el->{CASE}: {");
1862
1863                 if ($el->{TYPE} ne "EMPTY") {
1864                         $self->indent;
1865                         $self->DeclarePtrVariables($el);
1866                         $self->DeclareArrayVariables($el);
1867                         if (defined($e->{PROPERTIES}{relative_base})) {
1868                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1869                                 # set the current offset as base for relative pointers
1870                                 # and store it based on the toplevel struct/union
1871                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1872                         }
1873                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1874                         $self->deindent;
1875                 }
1876                 $self->pidl("break; }");
1877                 $self->pidl("");
1878         }
1879         if (! $have_default) {
1880                 $self->pidl("default:");
1881                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1882         }
1883         $self->deindent;
1884         $self->pidl("}");
1885 }
1886
1887 sub ParseUnionPullDeferred($$$$)
1888 {
1889         my ($self,$e,$ndr,$varname) = @_;
1890         my $have_default = 0;
1891
1892         if (defined($e->{PROPERTIES}{relative_base})) {
1893                 # retrieve the current offset as base for relative pointers
1894                 # based on the toplevel struct/union
1895                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1896         }
1897         $self->pidl("switch (level) {");
1898         $self->indent;
1899         foreach my $el (@{$e->{ELEMENTS}}) {
1900                 if ($el->{CASE} eq "default") {
1901                         $have_default = 1;
1902                 } 
1903
1904                 $self->pidl("$el->{CASE}:");
1905                 if ($el->{TYPE} ne "EMPTY") {
1906                         $self->indent;
1907                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1908                         $self->deindent;
1909                 }
1910                 $self->pidl("break;");
1911                 $self->pidl("");
1912         }
1913         if (! $have_default) {
1914                 $self->pidl("default:");
1915                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1916         }
1917         $self->deindent;
1918         $self->pidl("}");
1919
1920
1921 }
1922
1923 #####################################################################
1924 # parse a union - pull side
1925 sub ParseUnionPull($$$$)
1926 {
1927         my ($self,$e,$ndr,$varname) = @_;
1928         my $switch_type = $e->{SWITCH_TYPE};
1929
1930         $self->pidl("int level;");
1931         if (defined($switch_type)) {
1932                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1933                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1934                 }
1935                 $self->pidl(mapTypeName($switch_type) . " _level;");
1936         }
1937
1938         my %double_cases = ();
1939         foreach my $el (@{$e->{ELEMENTS}}) {
1940                 next if ($el->{TYPE} eq "EMPTY");
1941                 next if ($double_cases{"$el->{NAME}"});
1942                 $self->DeclareMemCtxVariables($el);
1943                 $double_cases{"$el->{NAME}"} = 1;
1944         }
1945
1946         $self->start_flags($e, $ndr);
1947
1948         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
1949
1950         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1951         $self->indent;
1952         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
1953         $self->deindent;
1954         $self->pidl("}");
1955
1956         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1957         $self->indent;
1958         $self->ParseUnionPullDeferred($e,$ndr,$varname);
1959         $self->deindent;
1960         $self->pidl("}");
1961
1962         $self->add_deferred();
1963
1964         $self->end_flags($e, $ndr);
1965 }
1966
1967 sub DeclUnion($$$$)
1968 {
1969         my ($e,$t,$name,$varname) = @_;
1970         return ($t ne "pull"?"const ":"") . "union $name *$varname";
1971 }
1972
1973 sub ArgsUnionNdrSize($$)
1974 {
1975         my ($d,$name) = @_;
1976         return "const union $name *r, uint32_t level, int flags";
1977 }
1978
1979 $typefamily{UNION} = {
1980         PUSH_FN_BODY => \&ParseUnionPush,
1981         DECL => \&DeclUnion,
1982         PULL_FN_BODY => \&ParseUnionPull,
1983         PRINT_FN_BODY => \&ParseUnionPrint,
1984         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
1985         SIZE_FN_BODY => \&ParseUnionNdrSize,
1986 };
1987         
1988 #####################################################################
1989 # parse a typedef - push side
1990 sub ParseTypedefPush($$$$)
1991 {
1992         my($self,$e,$ndr,$varname) = @_;
1993
1994         my $env;
1995
1996         $env->{$e->{NAME}} = $varname;
1997
1998         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
1999 }
2000
2001 #####################################################################
2002 # parse a typedef - pull side
2003 sub ParseTypedefPull($$$$)
2004 {
2005         my($self,$e,$ndr,$varname) = @_;
2006
2007         my $env;
2008
2009         $env->{$e->{NAME}} = $varname;
2010
2011         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2012 }
2013
2014 #####################################################################
2015 # parse a typedef - print side
2016 sub ParseTypedefPrint($$$$$)
2017 {
2018         my($self,$e,$ndr,$name,$varname) = @_;
2019
2020         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2021 }
2022
2023 #####################################################################
2024 ## calculate the size of a structure
2025 sub ParseTypedefNdrSize($$$$)
2026 {
2027         my($self,$t,$name,$varname) = @_;
2028
2029         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2030 }
2031
2032 sub DeclTypedef($$$$)
2033 {
2034         my ($e, $t, $name, $varname) = @_;
2035         
2036         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2037 }
2038
2039 sub ArgsTypedefNdrSize($$$)
2040 {
2041         my ($d, $name, $varname) = @_;
2042         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2043 }
2044
2045 $typefamily{TYPEDEF} = {
2046         PUSH_FN_BODY => \&ParseTypedefPush,
2047         DECL => \&DeclTypedef,
2048         PULL_FN_BODY => \&ParseTypedefPull,
2049         PRINT_FN_BODY => \&ParseTypedefPrint,
2050         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2051         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2052 };
2053
2054 #####################################################################
2055 # parse a function - print side
2056 sub ParseFunctionPrint($$)
2057 {
2058         my($self, $fn) = @_;
2059         my $ndr = "ndr";
2060
2061         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2062
2063         return if has_property($fn, "noprint");
2064
2065         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2066         $self->pidl("{");
2067         $self->indent;
2068
2069         foreach my $e (@{$fn->{ELEMENTS}}) {
2070                 $self->DeclareArrayVariables($e);
2071         }
2072
2073         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2074         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2075         $self->pidl("$ndr->depth++;");
2076
2077         $self->pidl("if (flags & NDR_SET_VALUES) {");
2078         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2079         $self->pidl("}");
2080
2081         $self->pidl("if (flags & NDR_IN) {");
2082         $self->indent;
2083         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2084         $self->pidl("$ndr->depth++;");
2085
2086         my $env = GenerateFunctionInEnv($fn);
2087
2088         foreach my $e (@{$fn->{ELEMENTS}}) {
2089                 if (grep(/in/,@{$e->{DIRECTION}})) {
2090                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2091                 }
2092         }
2093         $self->pidl("$ndr->depth--;");
2094         $self->deindent;
2095         $self->pidl("}");
2096         
2097         $self->pidl("if (flags & NDR_OUT) {");
2098         $self->indent;
2099         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2100         $self->pidl("$ndr->depth++;");
2101
2102         $env = GenerateFunctionOutEnv($fn);
2103         foreach my $e (@{$fn->{ELEMENTS}}) {
2104                 if (grep(/out/,@{$e->{DIRECTION}})) {
2105                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2106                 }
2107         }
2108         if ($fn->{RETURN_TYPE}) {
2109                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2110         }
2111         $self->pidl("$ndr->depth--;");
2112         $self->deindent;
2113         $self->pidl("}");
2114         
2115         $self->pidl("$ndr->depth--;");
2116         $self->deindent;
2117         $self->pidl("}");
2118         $self->pidl("");
2119 }
2120
2121 #####################################################################
2122 # parse a function
2123 sub ParseFunctionPush($$)
2124
2125         my($self, $fn) = @_;
2126         my $ndr = "ndr";
2127
2128         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2129
2130         return if has_property($fn, "nopush");
2131
2132         $self->pidl("{");
2133         $self->indent;
2134
2135         foreach my $e (@{$fn->{ELEMENTS}}) { 
2136                 $self->DeclareArrayVariables($e);
2137         }
2138
2139         $self->pidl("if (flags & NDR_IN) {");
2140         $self->indent;
2141
2142         my $env = GenerateFunctionInEnv($fn);
2143
2144         EnvSubstituteValue($env, $fn);
2145
2146         foreach my $e (@{$fn->{ELEMENTS}}) {
2147                 if (grep(/in/,@{$e->{DIRECTION}})) {
2148                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2149                 }
2150         }
2151
2152         $self->deindent;
2153         $self->pidl("}");
2154
2155         $self->pidl("if (flags & NDR_OUT) {");
2156         $self->indent;
2157
2158         $env = GenerateFunctionOutEnv($fn);
2159         foreach my $e (@{$fn->{ELEMENTS}}) {
2160                 if (grep(/out/,@{$e->{DIRECTION}})) {
2161                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2162                 }
2163         }
2164
2165         if ($fn->{RETURN_TYPE}) {
2166                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2167         }
2168     
2169         $self->deindent;
2170         $self->pidl("}");
2171         $self->pidl("return NDR_ERR_SUCCESS;");
2172         $self->deindent;
2173         $self->pidl("}");
2174         $self->pidl("");
2175 }
2176
2177 sub AllocateArrayLevel($$$$$$)
2178 {
2179         my ($self,$e,$l,$ndr,$var,$size) = @_;
2180
2181         my $pl = GetPrevLevel($e, $l);
2182         if (defined($pl) and 
2183             $pl->{TYPE} eq "POINTER" and 
2184             $pl->{POINTER_TYPE} eq "ref"
2185             and not $l->{IS_ZERO_TERMINATED}) {
2186                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2187                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2188                 $self->pidl("}");
2189                 if (grep(/in/,@{$e->{DIRECTION}}) and
2190                     grep(/out/,@{$e->{DIRECTION}})) {
2191                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2192                 }
2193                 return;
2194         }
2195
2196         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2197 }
2198
2199 #####################################################################
2200 # parse a function
2201 sub ParseFunctionPull($$)
2202
2203         my($self,$fn) = @_;
2204         my $ndr = "ndr";
2205
2206         # pull function args
2207         $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;
2208
2209         $self->pidl("{");
2210         $self->indent;
2211
2212         # declare any internal pointers we need
2213         foreach my $e (@{$fn->{ELEMENTS}}) { 
2214                 $self->DeclarePtrVariables($e);
2215                 $self->DeclareArrayVariables($e);
2216         }
2217
2218         my %double_cases = ();
2219         foreach my $e (@{$fn->{ELEMENTS}}) {
2220                 next if ($e->{TYPE} eq "EMPTY");
2221                 next if ($double_cases{"$e->{NAME}"});
2222                 $self->DeclareMemCtxVariables($e);
2223                 $double_cases{"$e->{NAME}"} = 1;
2224         }
2225
2226         $self->pidl("if (flags & NDR_IN) {");
2227         $self->indent;
2228
2229         # auto-init the out section of a structure. I originally argued that
2230         # this was a bad idea as it hides bugs, but coping correctly
2231         # with initialisation and not wiping ref vars is turning
2232         # out to be too tricky (tridge)
2233         foreach my $e (@{$fn->{ELEMENTS}}) {
2234                 next unless grep(/out/, @{$e->{DIRECTION}});
2235                 $self->pidl("ZERO_STRUCT(r->out);");
2236                 $self->pidl("");
2237                 last;
2238         }
2239
2240         my $env = GenerateFunctionInEnv($fn);
2241
2242         foreach my $e (@{$fn->{ELEMENTS}}) {
2243                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2244                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2245         }
2246
2247         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2248         # own flag rather than be in NDR_IN ?
2249
2250         foreach my $e (@{$fn->{ELEMENTS}}) {
2251                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2252                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and 
2253                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2254                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and 
2255                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2256                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY") 
2257                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2258
2259                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2260                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2261                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2262                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2263                                 check_fully_dereferenced($e, $env));
2264                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2265
2266                         if (grep(/in/, @{$e->{DIRECTION}})) {
2267                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2268                         } else {
2269                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2270                         }
2271                 } else {
2272                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2273                 
2274                         if (grep(/in/, @{$e->{DIRECTION}})) {
2275                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2276                         } else {
2277                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2278                         }
2279                 }
2280         }
2281
2282         $self->add_deferred();
2283         $self->deindent;
2284         $self->pidl("}");
2285         
2286         $self->pidl("if (flags & NDR_OUT) {");
2287         $self->indent;
2288
2289         $env = GenerateFunctionOutEnv($fn);
2290         foreach my $e (@{$fn->{ELEMENTS}}) {
2291                 next unless grep(/out/, @{$e->{DIRECTION}});
2292                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2293         }
2294
2295         if ($fn->{RETURN_TYPE}) {
2296                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2297         }
2298
2299         $self->add_deferred();
2300         $self->deindent;
2301         $self->pidl("}");
2302
2303         $self->pidl("return NDR_ERR_SUCCESS;");
2304         $self->deindent;
2305         $self->pidl("}");
2306         $self->pidl("");
2307 }
2308
2309 sub AuthServiceStruct($$$)
2310 {
2311         my ($self, $ifacename, $authservice) = @_;
2312         my @a = split /,/, $authservice;
2313         my $authservice_count = $#a + 1;
2314
2315         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2316         foreach my $ap (@a) {
2317                 $self->pidl("\t$ap, ");
2318         }
2319         $self->pidl("};");
2320         $self->pidl("");
2321
2322         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2323         $self->pidl("\t.count\t= $authservice_count,");
2324         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2325         $self->pidl("};");
2326         $self->pidl("");
2327 }
2328
2329 sub FunctionCallEntry($$)
2330 {
2331         my ($self, $d) = @_;
2332         return 0 if not defined($d->{OPNUM});
2333         $self->pidl("\t{");
2334         $self->pidl("\t\t\"$d->{NAME}\",");
2335         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2336         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2337         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2338         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2339         $self->pidl("\t},");
2340         return 1;
2341 }
2342
2343 #####################################################################
2344 # produce a function call table
2345 sub FunctionTable($$)
2346 {
2347         my($self,$interface) = @_;
2348         my $count = 0;
2349         my $uname = uc $interface->{NAME};
2350
2351         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2352         return unless defined ($interface->{PROPERTIES}->{uuid});
2353
2354         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2355
2356         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2357                 $count += $self->FunctionCallEntry($d);
2358         }
2359         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2360         $self->pidl("};");
2361         $self->pidl("");
2362
2363         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2364         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2365                 $self->pidl("\t$ep, ");
2366         }
2367         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2368         
2369         $self->pidl("};");
2370         $self->pidl("");
2371
2372         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2373         $self->pidl("\t.count\t= $endpoint_count,");
2374         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2375         $self->pidl("};");
2376         $self->pidl("");
2377
2378         if (! defined $interface->{PROPERTIES}->{authservice}) {
2379                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2380         }
2381
2382         $self->AuthServiceStruct($interface->{NAME}, 
2383                                      $interface->{PROPERTIES}->{authservice});
2384
2385         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2386         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2387         $self->pidl("\t.syntax_id\t= {");
2388         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2389         $self->pidl("\t\tNDR_$uname\_VERSION");
2390         $self->pidl("\t},");
2391         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2392         $self->pidl("\t.num_calls\t= $count,");
2393         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2394         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2395         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2396         $self->pidl("};");
2397         $self->pidl("");
2398
2399 }
2400
2401 #####################################################################
2402 # generate include statements for imported idl files
2403 sub HeaderImport
2404 {
2405         my $self = shift;
2406         my @imports = @_;
2407         foreach (@imports) {
2408                 $_ = unmake_str($_);
2409                 s/\.idl$//;
2410                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2411         }
2412 }
2413
2414 #####################################################################
2415 # generate include statements for included header files
2416 sub HeaderInclude
2417 {
2418         my $self = shift;
2419         my @includes = @_;
2420         foreach (@includes) {
2421                 $self->pidl_hdr("#include $_");
2422         }
2423 }
2424
2425 #####################################################################
2426 # generate prototypes and defines for the interface definitions
2427 # FIXME: these prototypes are for the DCE/RPC client functions, not the 
2428 # NDR parser and so do not belong here, technically speaking
2429 sub HeaderInterface($$$)
2430 {
2431         my($self,$interface,$needed) = @_;
2432
2433         my $count = 0;
2434
2435         if ($needed->{"compression"}) {
2436                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2437         }
2438
2439         if (has_property($interface, "object")) {
2440                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2441         }
2442
2443         if (defined $interface->{PROPERTIES}->{helper}) {
2444                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2445         }
2446
2447         if (defined $interface->{PROPERTIES}->{uuid}) {
2448                 my $name = uc $interface->{NAME};
2449                 $self->pidl_hdr("#define NDR_$name\_UUID " . 
2450                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid})));
2451
2452                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2453                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{PROPERTIES}->{version}");
2454
2455                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2456
2457                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2458                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2459
2460                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2461         }
2462
2463         foreach (@{$interface->{FUNCTIONS}}) {
2464                 next if has_property($_, "noopnum");
2465                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2466                 my $u_name = uc $_->{NAME};
2467         
2468                 my $val = sprintf("0x%02x", $count);
2469                 if (defined($interface->{BASE})) {
2470                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2471                 }
2472                 
2473                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2474
2475                 $self->pidl_hdr("");
2476                 $count++;
2477         }
2478
2479         my $val = $count;
2480
2481         if (defined($interface->{BASE})) {
2482                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2483         }
2484
2485         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2486
2487 }
2488
2489 sub ParseTypePush($$$$$$)
2490 {
2491         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2492
2493         # save the old relative_base_offset
2494         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2495         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2496         # restore the old relative_base_offset
2497         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2498 }
2499
2500 sub ParseTypePushFunction($$$)
2501 {
2502         my ($self, $e, $varname) = @_;
2503         my $ndr = "ndr";
2504
2505         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2506
2507         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2508
2509         $self->pidl("{");
2510         $self->indent;
2511         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2512         $self->pidl("return NDR_ERR_SUCCESS;");
2513         $self->deindent;
2514         $self->pidl("}");
2515         $self->pidl("");;
2516 }
2517
2518 sub ParseTypePull($$$$$$)
2519 {
2520         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2521
2522         # save the old relative_base_offset
2523         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2524         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2525         # restore the old relative_base_offset
2526         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2527 }
2528
2529 sub ParseTypePullFunction($$)
2530 {
2531         my ($self, $e, $varname) = @_;
2532         my $ndr = "ndr";
2533
2534         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2535
2536         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2537
2538         $self->pidl("{");
2539         $self->indent;
2540         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2541         $self->pidl("return NDR_ERR_SUCCESS;");
2542         $self->deindent;
2543         $self->pidl("}");
2544         $self->pidl("");
2545 }
2546
2547 sub ParseTypePrint($$$$)
2548 {
2549         my ($self, $e, $ndr, $varname) = @_;
2550
2551         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2552 }
2553
2554 sub ParseTypePrintFunction($$$)
2555 {
2556         my ($self, $e, $varname) = @_;
2557         my $ndr = "ndr";
2558
2559         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2560
2561         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2562
2563         return if (has_property($e, "noprint"));
2564
2565         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2566         $self->pidl("{");
2567         $self->indent;
2568         $self->ParseTypePrint($e, $ndr, $varname);
2569         $self->deindent;
2570         $self->pidl("}");
2571         $self->pidl("");
2572 }
2573
2574 sub ParseTypeNdrSize($$)
2575 {
2576         my ($self,$t) = @_;
2577
2578         my $varname = "r";
2579         my $tf = $typefamily{$t->{TYPE}};
2580         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2581
2582         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2583
2584         $self->pidl("{");
2585         $self->indent;
2586         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2587         $self->deindent;
2588         $self->pidl("}");
2589         $self->pidl("");
2590 }
2591
2592 #####################################################################
2593 # parse the interface definitions
2594 sub ParseInterface($$$)
2595 {
2596         my($self,$interface,$needed) = @_;
2597
2598         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2599         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2600
2601         $self->pidl_hdr("");
2602
2603         $self->HeaderInterface($interface, $needed);
2604
2605         # Typedefs
2606         foreach my $d (@{$interface->{TYPES}}) {
2607                 next unless(typeHasBody($d));
2608
2609                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2610                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2611                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2612
2613                 # Make sure we don't generate a function twice...
2614                 $needed->{TypeFunctionName("ndr_push", $d)} = 
2615                     $needed->{TypeFunctionName("ndr_pull", $d)} = 
2616                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2617
2618                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2619         }
2620
2621         # Functions
2622         foreach my $d (@{$interface->{FUNCTIONS}}) {
2623                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2624                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2625                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2626
2627                 # Make sure we don't generate a function twice...
2628                 $needed->{"ndr_push_$d->{NAME}"} = $needed->{"ndr_pull_$d->{NAME}"} = 
2629                         $needed->{"ndr_print_$d->{NAME}"} = 0;
2630         }
2631
2632         $self->FunctionTable($interface);
2633
2634         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2635 }
2636
2637 sub GenerateIncludes($)
2638 {
2639         my ($self) = @_;
2640         if (is_intree()) {
2641                 $self->pidl("#include \"includes.h\"");
2642         } else {
2643                 $self->pidl("#ifndef _GNU_SOURCE");
2644                 $self->pidl("#define _GNU_SOURCE");
2645                 $self->pidl("#endif");
2646                 $self->pidl("#include <stdint.h>");
2647                 $self->pidl("#include <stdlib.h>");
2648                 $self->pidl("#include <stdio.h>");
2649                 $self->pidl("#include <stdbool.h>");
2650                 $self->pidl("#include <stdarg.h>");
2651                 $self->pidl("#include <string.h>");
2652         }
2653 }
2654
2655 #####################################################################
2656 # parse a parsed IDL structure back into an IDL file
2657 sub Parse($$$$)
2658 {
2659         my($self, $ndr,$gen_header,$ndr_header) = @_;
2660
2661         $self->pidl_hdr("/* header auto-generated by pidl */");
2662         $self->pidl_hdr("");
2663         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2664         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2665         $self->pidl_hdr("");
2666
2667         $self->pidl("/* parser auto-generated by pidl */");
2668         $self->pidl("");
2669         $self->GenerateIncludes();
2670         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2671         $self->pidl("");
2672
2673         my %needed = ();
2674
2675         foreach (@{$ndr}) {
2676                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2677         }
2678
2679         foreach (@{$ndr}) {
2680                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2681                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2682                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2683         }
2684
2685         return ($self->{res_hdr}, $self->{res});
2686 }
2687
2688 sub NeededElement($$$)
2689 {
2690         my ($e, $dir, $needed) = @_;
2691
2692         return if ($e->{TYPE} eq "EMPTY");
2693
2694         return if (ref($e->{TYPE}) eq "HASH" and 
2695                        not defined($e->{TYPE}->{NAME}));
2696
2697         my ($t, $rt);
2698         if (ref($e->{TYPE}) eq "HASH") {
2699                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2700         } else {
2701                 $t = $e->{TYPE};
2702         }
2703
2704         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2705                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2706         } else {
2707                 $rt = $e->{REPRESENTATION_TYPE};
2708         }
2709
2710         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2711
2712         my @fn = ();
2713         if ($dir eq "print") {
2714                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2715         } elsif ($dir eq "pull") {
2716                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2717                 push (@fn, "ndr_$t\_to_$rt")
2718                         if ($rt ne $t);
2719         } elsif ($dir eq "push") {
2720                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
2721                 push (@fn, "ndr_$rt\_to_$t")
2722                         if ($rt ne $t);
2723         } else {
2724                 die("invalid direction `$dir'");
2725         }
2726
2727         foreach (@fn) {
2728                 unless (defined($needed->{$_})) {
2729                         $needed->{$_} = 1;
2730                 }
2731         }
2732 }
2733
2734 sub NeededFunction($$)
2735 {
2736         my ($fn,$needed) = @_;
2737         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
2738         $needed->{"ndr_push_$fn->{NAME}"} = 1;
2739         $needed->{"ndr_print_$fn->{NAME}"} = 1;
2740         foreach my $e (@{$fn->{ELEMENTS}}) {
2741                 $e->{PARENT} = $fn;
2742                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
2743         }
2744 }
2745
2746 sub NeededType($$$)
2747 {
2748         sub NeededType($$$);
2749         my ($t,$needed,$req) = @_;
2750
2751         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
2752
2753         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
2754                 return unless defined($t->{ELEMENTS});
2755                 for my $e (@{$t->{ELEMENTS}}) {
2756                         $e->{PARENT} = $t;
2757                         if (has_property($e, "compression")) { 
2758                                 $needed->{"compression"} = 1;
2759                         }
2760                         NeededElement($e, $req, $needed);
2761                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
2762                 }
2763         }
2764 }
2765
2766 #####################################################################
2767 # work out what parse functions are needed
2768 sub NeededInterface($$)
2769 {
2770         my ($interface,$needed) = @_;
2771         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
2772         foreach (reverse @{$interface->{TYPES}}) {
2773                 if (has_property($_, "public")) {
2774                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} = 
2775                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
2776                 }
2777
2778                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
2779                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
2780                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
2781                 if (has_property($_, "gensize")) {
2782                         $needed->{"ndr_size_$_->{NAME}"} = 1;
2783                 }
2784         }
2785 }
2786
2787 sub TypeFunctionName($$)
2788 {
2789         my ($prefix, $t) = @_;
2790
2791         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and 
2792                         $t->{TYPE} eq "TYPEDEF");
2793         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
2794         return "$prefix\_$t";
2795 }
2796
2797 1;