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 $res NeededInterface TypeFunctionName ParseElementPrint);
  13
  14 use strict;
  15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
  16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
  17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
  18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
  19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
  20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  21 use Parse::Pidl qw(warning);
  22
  23 use vars qw($VERSION);
  24 $VERSION = '0.01';
  25
  26 # list of known types
  27 my %typefamily;
  28
  29 sub new($$) {
  30         my ($class) = @_;
  31         my $self = { res => "", res_hdr => "", deferred => [], tabs => "", defer_tabs => "" };
  32         bless($self, $class);
  33 }
  34
  35 sub get_typefamily($)
  36 {
  37         my $n = shift;
  38         return $typefamily{$n};
  39 }
  40
  41 sub append_prefix($$)
  42 {
  43         my ($e, $var_name) = @_;
  44         my $pointers = 0;
  45         my $arrays = 0;
  46
  47         foreach my $l (@{$e->{LEVELS}}) {
  48                 if ($l->{TYPE} eq "POINTER") {
  49                         $pointers++;
  50                 } elsif ($l->{TYPE} eq "ARRAY") {
  51                         $arrays++;
  52                         if (($pointers == 0) and
  53                             (not $l->{IS_FIXED}) and
  54                             (not $l->{IS_INLINE})) {
  55                                 return get_value_of($var_name);
  56                         }
  57                 } elsif ($l->{TYPE} eq "DATA") {
  58                         if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
  59                                 return get_value_of($var_name) unless ($pointers or $arrays);
  60                         }
  61                 }
  62         }
  63
  64         return $var_name;
  65 }
  66
  67 sub has_fast_array($$)
  68 {
  69         my ($e,$l) = @_;
  70
  71         return 0 if ($l->{TYPE} ne "ARRAY");
  72
  73         my $nl = GetNextLevel($e,$l);
  74         return 0 unless ($nl->{TYPE} eq "DATA");
  75         return 0 unless (hasType($nl->{DATA_TYPE}));
  76
  77         my $t = getType($nl->{DATA_TYPE});
  78
  79         # Only uint8 and string have fast array functions at the moment
  80         return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
  81 }
  82
  83
  84 ####################################
  85 # pidl() is our basic output routine
  86 sub pidl($$)
  87 {
  88         my ($self, $d) = @_;
  89         if ($d) {
  90                 $self->{res} .= $self->{tabs};
  91                 $self->{res} .= $d;
  92         }
  93         $self->{res} .="\n";
  94 }
  95
  96 sub pidl_hdr($$) { my ($self, $d) = @_; $self->{res_hdr} .= "$d\n"; }
  97
  98 ####################################
  99 # defer() is like pidl(), but adds to
 100 # a deferred buffer which is then added to the
 101 # output buffer at the end of the structure/union/function
 102 # This is needed to cope with code that must be pushed back
 103 # to the end of a block of elements
 104 sub defer_indent($) { my ($self) = @_; $self->{defer_tabs}.="\t"; }
 105 sub defer_deindent($) { my ($self) = @_; $self->{defer_tabs}=substr($self->{defer_tabs}, 0, -1); }
 106
 107 sub defer($$)
 108 {
 109         my ($self, $d) = @_;
 110         if ($d) {
 111                 push(@{$self->{deferred}}, $self->{defer_tabs}.$d);
 112         }
 113 }
 114
 115 ########################################
 116 # add the deferred content to the current
 117 # output
 118 sub add_deferred($)
 119 {
 120         my ($self) = @_;
 121         $self->pidl($_) foreach (@{$self->{deferred}});
 122         $self->{deferred} = [];
 123         $self->{defer_tabs} = "";
 124 }
 125
 126 sub indent($)
 127 {
 128         my ($self) = @_;
 129         $self->{tabs} .= "\t";
 130 }
 131
 132 sub deindent($)
 133 {
 134         my ($self) = @_;
 135         $self->{tabs} = substr($self->{tabs}, 0, -1);
 136 }
 137
 138 #####################################################################
 139 # declare a function public or static, depending on its attributes
 140 sub fn_declare($$$$)
 141 {
 142         my ($self,$type,$fn,$decl) = @_;
 143
 144         if (has_property($fn, "no$type")) {
 145                 $self->pidl_hdr("$decl;");
 146                 return 0;
 147         }
 148
 149         if (has_property($fn, "public")) {
 150                 $self->pidl_hdr("$decl;");
 151                 $self->pidl("_PUBLIC_ $decl");
 152         } else {
 153                 $self->pidl("static $decl");
 154         }
 155
 156         return 1;
 157 }
 158
 159 ###################################################################
 160 # setup any special flags for an element or structure
 161 sub start_flags($$$)
 162 {
 163         my ($self, $e, $ndr) = @_;
 164         my $flags = has_property($e, "flag");
 165         if (defined $flags) {
 166                 $self->pidl("{");
 167                 $self->indent;
 168                 $self->pidl("uint32_t _flags_save_$e->{TYPE} = $ndr->flags;");
 169                 $self->pidl("ndr_set_flags(&$ndr->flags, $flags);");
 170         }
 171 }
 172
 173 ###################################################################
 174 # end any special flags for an element or structure
 175 sub end_flags($$$)
 176 {
 177         my ($self, $e, $ndr) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201         } else {
 202                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 204         }
 205
 206         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 207                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
 208         }
 209
 210         if ($l->{IS_VARYING}) {
 211                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
 212                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
 213         }
 214
 215         return $length;
 216 }
 217
 218 sub check_fully_dereferenced($$)
 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 sub ParseArrayPullGetSize($$$$$$)
 319 {
 320         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 321
 322         my $size;
 323
 324         if ($l->{IS_CONFORMANT}) {
 325                 $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 326         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 327                 $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 328         } else {
 329                 $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 330                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 331                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 332                         check_fully_dereferenced($e, $env));
 333         }
 334
 335         $self->pidl("size_$e->{NAME}_$l->{LEVEL_INDEX} = $size;");
 336         my $array_size = "size_$e->{NAME}_$l->{LEVEL_INDEX}";
 337
 338         if (my $range = has_property($e, "range")) {
 339                 my ($low, $high) = split(/,/, $range, 2);
 340                 if ($low < 0) {
 341                         warning(0, "$low is invalid for the range of an array size");
 342                 }
 343                 if ($low == 0) {
 344                         $self->pidl("if ($array_size > $high) {");
 345                 } else {
 346                         $self->pidl("if ($array_size < $low || $array_size > $high) {");
 347                 }
 348                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 349                 $self->pidl("}");
 350         }
 351
 352         return $array_size;
 353 }
 354
 355 #####################################################################
 356 # parse an array - pull side
 357 sub ParseArrayPullGetLength($$$$$$;$)
 358 {
 359         my ($self,$e,$l,$ndr,$var_name,$env,$array_size) = @_;
 360
 361         if (not defined($array_size)) {
 362                 $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 363         }
 364
 365         if (not $l->{IS_VARYING}) {
 366                 return $array_size;
 367         }
 368
 369         my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 370         $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
 371         my $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
 372
 373         if (my $range = has_property($e, "range")) {
 374                 my ($low, $high) = split(/,/, $range, 2);
 375                 if ($low < 0) {
 376                         warning(0, "$low is invalid for the range of an array size");
 377                 }
 378                 if ($low == 0) {
 379                         $self->pidl("if ($array_length > $high) {");
 380                 } else {
 381                         $self->pidl("if ($array_length < $low || $array_length > $high) {");
 382                 }
 383                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 384                 $self->pidl("}");
 385         }
 386
 387         return $array_length;
 388 }
 389
 390 #####################################################################
 391 # parse an array - pull side
 392 sub ParseArrayPullHeader($$$$$$)
 393 {
 394         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 395
 396         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 397                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 398         }
 399
 400         if ($l->{IS_VARYING}) {
 401                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 402         }
 403
 404         my $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 405         my $array_length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env, $array_size);
 406
 407         if ($array_length ne $array_size) {
 408                 $self->pidl("if ($array_length > $array_size) {");
 409                 $self->indent;
 410                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $array_size, $array_length);");
 411                 $self->deindent;
 412                 $self->pidl("}");
 413         }
 414
 415         if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) {
 416                 $self->defer("if ($var_name) {");
 417                 $self->defer_indent;
 418                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 419                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 420                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 421                         check_fully_dereferenced($e, $env));
 422                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 423                 $self->defer_deindent;
 424                 $self->defer("}");
 425         }
 426
 427         if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) {
 428                 $self->defer("if ($var_name) {");
 429                 $self->defer_indent;
 430                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 431                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 432                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 433                         check_fully_dereferenced($e, $env));
 434                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 435                 $self->defer_deindent;
 436                 $self->defer("}");
 437         }
 438
 439         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 440                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$array_size);
 441         }
 442
 443         return $array_length;
 444 }
 445
 446 sub compression_alg($$)
 447 {
 448         my ($e, $l) = @_;
 449         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 450
 451         return $alg;
 452 }
 453
 454 sub compression_clen($$$)
 455 {
 456         my ($e, $l, $env) = @_;
 457         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 458
 459         return ParseExpr($clen, $env, $e->{ORIGINAL});
 460 }
 461
 462 sub compression_dlen($$$)
 463 {
 464         my ($e,$l,$env) = @_;
 465         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 466
 467         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 468 }
 469
 470 sub ParseCompressionPushStart($$$$$)
 471 {
 472         my ($self,$e,$l,$ndr,$env) = @_;
 473         my $comndr = "$ndr\_compressed";
 474         my $alg = compression_alg($e, $l);
 475         my $dlen = compression_dlen($e, $l, $env);
 476
 477         $self->pidl("{");
 478         $self->indent;
 479         $self->pidl("struct ndr_push *$comndr;");
 480         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 481
 482         return $comndr;
 483 }
 484
 485 sub ParseCompressionPushEnd($$$$$)
 486 {
 487         my ($self,$e,$l,$ndr,$env) = @_;
 488         my $comndr = "$ndr\_compressed";
 489         my $alg = compression_alg($e, $l);
 490         my $dlen = compression_dlen($e, $l, $env);
 491
 492         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 493         $self->deindent;
 494         $self->pidl("}");
 495 }
 496
 497 sub ParseCompressionPullStart($$$$$)
 498 {
 499         my ($self,$e,$l,$ndr,$env) = @_;
 500         my $comndr = "$ndr\_compressed";
 501         my $alg = compression_alg($e, $l);
 502         my $dlen = compression_dlen($e, $l, $env);
 503
 504         $self->pidl("{");
 505         $self->indent;
 506         $self->pidl("struct ndr_pull *$comndr;");
 507         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 508
 509         return $comndr;
 510 }
 511
 512 sub ParseCompressionPullEnd($$$$$)
 513 {
 514         my ($self,$e,$l,$ndr,$env) = @_;
 515         my $comndr = "$ndr\_compressed";
 516         my $alg = compression_alg($e, $l);
 517         my $dlen = compression_dlen($e, $l, $env);
 518
 519         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 520         $self->deindent;
 521         $self->pidl("}");
 522 }
 523
 524 sub ParseSubcontextPushStart($$$$$)
 525 {
 526         my ($self,$e,$l,$ndr,$env) = @_;
 527         my $subndr = "_ndr_$e->{NAME}";
 528         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 529
 530         $self->pidl("{");
 531         $self->indent;
 532         $self->pidl("struct ndr_push *$subndr;");
 533         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 534
 535         if (defined $l->{COMPRESSION}) {
 536                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 537         }
 538
 539         return $subndr;
 540 }
 541
 542 sub ParseSubcontextPushEnd($$$$$)
 543 {
 544         my ($self,$e,$l,$ndr,$env) = @_;
 545         my $subndr = "_ndr_$e->{NAME}";
 546         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 547
 548         if (defined $l->{COMPRESSION}) {
 549                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 550         }
 551
 552         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 553         $self->deindent;
 554         $self->pidl("}");
 555 }
 556
 557 sub ParseSubcontextPullStart($$$$$)
 558 {
 559         my ($self,$e,$l,$ndr,$env) = @_;
 560         my $subndr = "_ndr_$e->{NAME}";
 561         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 562
 563         $self->pidl("{");
 564         $self->indent;
 565         $self->pidl("struct ndr_pull *$subndr;");
 566         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 567
 568         if (defined $l->{COMPRESSION}) {
 569                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 570         }
 571
 572         return $subndr;
 573 }
 574
 575 sub ParseSubcontextPullEnd($$$$$)
 576 {
 577         my ($self,$e,$l,$ndr,$env) = @_;
 578         my $subndr = "_ndr_$e->{NAME}";
 579         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 580
 581         if (defined $l->{COMPRESSION}) {
 582                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 583         }
 584
 585         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 586         $self->deindent;
 587         $self->pidl("}");
 588 }
 589
 590 sub ParseElementPushLevel
 591 {
 592         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 593
 594         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 595
 596         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 597                 $var_name = get_pointer_to($var_name);
 598         }
 599
 600         if (defined($ndr_flags)) {
 601                 if ($l->{TYPE} eq "SUBCONTEXT") {
 602                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 603                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 604                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 605                 } elsif ($l->{TYPE} eq "POINTER") {
 606                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 607                 } elsif ($l->{TYPE} eq "ARRAY") {
 608                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 609
 610                         my $nl = GetNextLevel($e, $l);
 611
 612                         # Allow speedups for arrays of scalar types
 613                         if (is_charset_array($e,$l)) {
 614                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 615                                 return;
 616                         } elsif (has_fast_array($e,$l)) {
 617                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 618                                 return;
 619                         }
 620                 } elsif ($l->{TYPE} eq "SWITCH") {
 621                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 622                 } elsif ($l->{TYPE} eq "DATA") {
 623                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 624                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 625                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 626                 }
 627         }
 628
 629         if ($l->{TYPE} eq "POINTER" and $deferred) {
 630                 my $rel_var_name = $var_name;
 631                 if ($l->{POINTER_TYPE} ne "ref") {
 632                         $self->pidl("if ($var_name) {");
 633                         $self->indent;
 634                         if ($l->{POINTER_TYPE} eq "relative") {
 635                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 636                         }
 637                         if ($l->{POINTER_TYPE} eq "relative_short") {
 638                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 639                         }
 640                 }
 641                 $var_name = get_value_of($var_name);
 642                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 643
 644                 if ($l->{POINTER_TYPE} ne "ref") {
 645                         if ($l->{POINTER_TYPE} eq "relative") {
 646                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 647                         }
 648                         $self->deindent;
 649                         $self->pidl("}");
 650                 }
 651         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 652                 not is_charset_array($e, $l)) {
 653                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 654                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 655
 656                 my $array_pointless = ($length eq "0");
 657
 658                 if ($array_pointless) {
 659                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 660                 }
 661
 662                 $var_name = get_array_element($var_name, $counter);
 663
 664                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 665                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 666                         $self->indent;
 667                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 668                         $self->deindent;
 669                         $self->pidl("}");
 670                 }
 671
 672                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 673                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 674                         $self->indent;
 675                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 676                         $self->deindent;
 677                         $self->pidl("}");
 678                 }
 679         } elsif ($l->{TYPE} eq "SWITCH") {
 680                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 681         }
 682 }
 683
 684 #####################################################################
 685 # parse scalars in a structure element
 686 sub ParseElementPush($$$$$$)
 687 {
 688         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 689         my $subndr = undef;
 690
 691         my $var_name = $env->{$e->{NAME}};
 692
 693         return if ContainsPipe($e, $e->{LEVELS}[0]);
 694
 695         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 696
 697         # Representation type is different from transmit_as
 698         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 699                 $self->pidl("{");
 700                 $self->indent;
 701                 my $transmit_name = "_transmit_$e->{NAME}";
 702                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 703                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 704                 $var_name = $transmit_name;
 705         }
 706
 707         $var_name = append_prefix($e, $var_name);
 708
 709         $self->start_flags($e, $ndr);
 710
 711         if (defined(my $value = has_property($e, "value"))) {
 712                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 713         }
 714
 715         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 716
 717         $self->end_flags($e, $ndr);
 718
 719         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 720                 $self->deindent;
 721                 $self->pidl("}");
 722         }
 723 }
 724
 725 #####################################################################
 726 # parse a pointer in a struct element or function
 727 sub ParsePtrPush($$$$$)
 728 {
 729         my ($self,$e,$l,$ndr,$var_name) = @_;
 730
 731         if ($l->{POINTER_TYPE} eq "ref") {
 732                 $self->pidl("if ($var_name == NULL) {");
 733                 $self->indent;
 734                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 735                 $self->deindent;
 736                 $self->pidl("}");
 737                 if ($l->{LEVEL} eq "EMBEDDED") {
 738                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 739                 }
 740         } elsif ($l->{POINTER_TYPE} eq "relative") {
 741                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 742         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 743                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 744         } elsif ($l->{POINTER_TYPE} eq "unique") {
 745                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 746         } elsif ($l->{POINTER_TYPE} eq "full") {
 747                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 748         } else {
 749                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 750         }
 751 }
 752
 753 sub need_pointer_to($$$)
 754 {
 755         my ($e, $l, $scalar_only) = @_;
 756
 757         my $t;
 758         if (ref($l->{DATA_TYPE})) {
 759                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 760         } else {
 761                 $t = $l->{DATA_TYPE};
 762         }
 763
 764         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 765                 return 1 if $scalar_only;
 766         }
 767
 768         my $arrays = 0;
 769
 770         foreach my $tl (@{$e->{LEVELS}}) {
 771                 last if $l == $tl;
 772                 if ($tl->{TYPE} eq "ARRAY") {
 773                         $arrays++;
 774                 }
 775         }
 776
 777         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 778                 return 1 unless $arrays;
 779         }
 780
 781         return 0;
 782 }
 783
 784 sub ParseDataPrint($$$$$)
 785 {
 786         my ($self, $e, $l, $ndr, $var_name) = @_;
 787
 788         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 789
 790                 if (need_pointer_to($e, $l, 1)) {
 791                         $var_name = get_pointer_to($var_name);
 792                 }
 793
 794                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 795         } else {
 796                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 797         }
 798 }
 799
 800 #####################################################################
 801 # print scalars in a structure element
 802 sub ParseElementPrint($$$$$)
 803 {
 804         my($self, $e, $ndr, $var_name, $env) = @_;
 805
 806         return if (has_property($e, "noprint"));
 807
 808         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 809                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 810                 return;
 811         }
 812
 813         $var_name = append_prefix($e, $var_name);
 814
 815         if (defined(my $value = has_property($e, "value"))) {
 816                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 817         }
 818
 819         foreach my $l (@{$e->{LEVELS}}) {
 820                 if ($l->{TYPE} eq "POINTER") {
 821                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 822                         $self->pidl("$ndr->depth++;");
 823                         if ($l->{POINTER_TYPE} ne "ref") {
 824                                 $self->pidl("if ($var_name) {");
 825                                 $self->indent;
 826                         }
 827                         $var_name = get_value_of($var_name);
 828                 } elsif ($l->{TYPE} eq "ARRAY") {
 829                         my $length;
 830
 831                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 832                                 $var_name = get_pointer_to($var_name);
 833                         }
 834
 835                         if ($l->{IS_ZERO_TERMINATED}) {
 836                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 837                         } else {
 838                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 839                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 840                         }
 841
 842                         if (is_charset_array($e,$l)) {
 843                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 844                                 last;
 845                         } elsif (has_fast_array($e, $l)) {
 846                                 my $nl = GetNextLevel($e, $l);
 847                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 848                                 last;
 849                         } else {
 850                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 851
 852                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 853                                 $self->pidl("$ndr->depth++;");
 854                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 855                                 $self->indent;
 856
 857                                 $var_name = get_array_element($var_name, $counter);
 858                         }
 859                 } elsif ($l->{TYPE} eq "DATA") {
 860                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 861                 } elsif ($l->{TYPE} eq "SWITCH") {
 862                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 863                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 864                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 865                 }
 866         }
 867
 868         foreach my $l (reverse @{$e->{LEVELS}}) {
 869                 if ($l->{TYPE} eq "POINTER") {
 870                         if ($l->{POINTER_TYPE} ne "ref") {
 871                                 $self->deindent;
 872                                 $self->pidl("}");
 873                         }
 874                         $self->pidl("$ndr->depth--;");
 875                 } elsif (($l->{TYPE} eq "ARRAY")
 876                         and not is_charset_array($e,$l)
 877                         and not has_fast_array($e,$l)) {
 878                         $self->deindent;
 879                         $self->pidl("}");
 880                         $self->pidl("$ndr->depth--;");
 881                 }
 882         }
 883 }
 884
 885 #####################################################################
 886 # parse scalars in a structure element - pull size
 887 sub ParseSwitchPull($$$$$$)
 888 {
 889         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 890         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 891                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 892                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 893                 check_fully_dereferenced($e, $env));
 894
 895         $var_name = get_pointer_to($var_name);
 896         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 897 }
 898
 899 #####################################################################
 900 # push switch element
 901 sub ParseSwitchPush($$$$$$)
 902 {
 903         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 904         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 905                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 906                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 907                 check_fully_dereferenced($e, $env));
 908
 909         $var_name = get_pointer_to($var_name);
 910         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 911 }
 912
 913 sub ParseDataPull($$$$$$$)
 914 {
 915         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 916
 917         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 918
 919                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 920
 921                 if (need_pointer_to($e, $l, 0)) {
 922                         $var_name = get_pointer_to($var_name);
 923                 }
 924
 925                 $var_name = get_pointer_to($var_name);
 926
 927                 if (has_property($e, "skip")) {
 928                         $self->pidl("/* [skip] '$var_name' */");
 929                 } else {
 930                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 931                 }
 932
 933                 my $pl = GetPrevLevel($e, $l);
 934
 935                 my $range = has_property($e, "range");
 936                 if ($range and $pl->{TYPE} ne "ARRAY") {
 937                         $var_name = get_value_of($var_name);
 938                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 939                         my ($low, $high) = split(/,/, $range, 2);
 940                         if ($low < 0 and not $signed) {
 941                                 warning(0, "$low is invalid for the range of an unsigned type");
 942                         }
 943                         if ($low == 0 and not $signed) {
 944                                 $self->pidl("if ($var_name > $high) {");
 945                         } else {
 946                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 947                         }
 948                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 949                         $self->pidl("}");
 950                 }
 951         } else {
 952                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 953         }
 954 }
 955
 956 sub ParseDataPush($$$$$$$)
 957 {
 958         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 959
 960         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 961
 962                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 963
 964                 # strings are passed by value rather than reference
 965                 if (need_pointer_to($e, $l, 1)) {
 966                         $var_name = get_pointer_to($var_name);
 967                 }
 968
 969                 if (has_property($e, "skip")) {
 970                         $self->pidl("/* [skip] '$var_name' */");
 971                 } else {
 972                         $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 973                 }
 974         } else {
 975                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 976         }
 977 }
 978
 979 sub CalcNdrFlags($$$)
 980 {
 981         my ($l,$primitives,$deferred) = @_;
 982
 983         my $scalars = 0;
 984         my $buffers = 0;
 985
 986         # Add NDR_SCALARS if this one is deferred
 987         # and deferreds may be pushed
 988         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 989
 990         # Add NDR_SCALARS if this one is not deferred and
 991         # primitives may be pushed
 992         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 993
 994         # Add NDR_BUFFERS if this one contains deferred stuff
 995         # and deferreds may be pushed
 996         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 997
 998         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 999         return "NDR_SCALARS" if ($scalars);
1000         return "NDR_BUFFERS" if ($buffers);
1001         return undef;
1002 }
1003
1004 sub ParseMemCtxPullFlags($$$$)
1005 {
1006         my ($self, $e, $l) = @_;
1007
1008         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1009
1010         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1011         return undef if has_fast_array($e, $l);
1012         return undef if is_charset_array($e, $l);
1013
1014         my $mem_flags = "0";
1015
1016         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1017                 my $nl = GetNextLevel($e, $l);
1018                 return undef if ($nl->{TYPE} eq "PIPE");
1019                 return undef if ($nl->{TYPE} eq "ARRAY");
1020                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1021
1022                 if ($l->{LEVEL} eq "TOP") {
1023                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1024                 }
1025         }
1026
1027         return $mem_flags;
1028 }
1029
1030 sub ParseMemCtxPullStart($$$$$)
1031 {
1032         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1033
1034         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1035         my $mem_c_ctx = $ptr_name;
1036         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1037
1038         return unless defined($mem_c_flags);
1039
1040         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1041         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1042 }
1043
1044 sub ParseMemCtxPullEnd($$$$)
1045 {
1046         my ($self, $e, $l, $ndr) = @_;
1047
1048         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1049         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1050
1051         return unless defined($mem_r_flags);
1052
1053         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1054 }
1055
1056 sub CheckStringTerminator($$$$$)
1057 {
1058         my ($self,$ndr,$e,$l,$length) = @_;
1059         my $nl = GetNextLevel($e, $l);
1060
1061         # Make sure last element is zero!
1062         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1063 }
1064
1065 sub ParseElementPullLevel
1066 {
1067         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1068
1069         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1070         my $array_length = undef;
1071
1072         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1073                 $var_name = get_pointer_to($var_name);
1074         }
1075
1076         # Only pull something if there's actually something to be pulled
1077         if (defined($ndr_flags)) {
1078                 if ($l->{TYPE} eq "SUBCONTEXT") {
1079                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1080                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1081                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1082                 } elsif ($l->{TYPE} eq "ARRAY") {
1083                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1084                         $array_length = $length;
1085
1086                         my $nl = GetNextLevel($e, $l);
1087
1088                         if (is_charset_array($e,$l)) {
1089                                 if ($l->{IS_ZERO_TERMINATED}) {
1090                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1091                                 }
1092                                 if ($l->{IS_TO_NULL}) {
1093                                         $self->pidl("NDR_CHECK(ndr_pull_charset_to_null($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1094                                 } else {
1095                                         $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}));");
1096                                 }
1097                                 return;
1098                         } elsif (has_fast_array($e, $l)) {
1099                                 if ($l->{IS_ZERO_TERMINATED}) {
1100                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1101                                 }
1102                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1103                                 return;
1104                         }
1105                 } elsif ($l->{TYPE} eq "POINTER") {
1106                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1107                 } elsif ($l->{TYPE} eq "SWITCH") {
1108                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1109                 } elsif ($l->{TYPE} eq "DATA") {
1110                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1111                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1112                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1113                 }
1114         }
1115
1116         # add additional constructions
1117         if ($l->{TYPE} eq "POINTER" and $deferred) {
1118                 if ($l->{POINTER_TYPE} ne "ref") {
1119                         $self->pidl("if ($var_name) {");
1120                         $self->indent;
1121
1122                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1123                                 $self->pidl("uint32_t _relative_save_offset;");
1124                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1125                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1126                         }
1127                 }
1128
1129                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1130
1131                 $var_name = get_value_of($var_name);
1132                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1133
1134                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1135
1136                 if ($l->{POINTER_TYPE} ne "ref") {
1137                         if ($l->{POINTER_TYPE} eq "relative") {
1138                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1139                                 $self->indent;
1140                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1141                                 $self->deindent;
1142                                 $self->pidl("}");
1143                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1144                         }
1145                         $self->deindent;
1146                         $self->pidl("}");
1147                 }
1148         } elsif ($l->{TYPE} eq "ARRAY" and
1149                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1150                 my $length = $array_length;
1151                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1152                 my $array_name = $var_name;
1153
1154                 if (not defined($length)) {
1155                         $length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env);
1156                 }
1157
1158                 $var_name = get_array_element($var_name, $counter);
1159
1160                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1161
1162                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1163                         my $nl = GetNextLevel($e,$l);
1164
1165                         if ($l->{IS_ZERO_TERMINATED}) {
1166                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1167                         }
1168
1169                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1170                         $self->indent;
1171                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1172                         $self->deindent;
1173                         $self->pidl("}");
1174                 }
1175
1176                 if ($deferred and ContainsDeferred($e, $l)) {
1177                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1178                         $self->indent;
1179                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1180                         $self->deindent;
1181                         $self->pidl("}");
1182                 }
1183
1184                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1185
1186         } elsif ($l->{TYPE} eq "SWITCH") {
1187                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1188         }
1189 }
1190
1191 #####################################################################
1192 # parse scalars in a structure element - pull size
1193 sub ParseElementPull($$$$$$)
1194 {
1195         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1196
1197         my $var_name = $env->{$e->{NAME}};
1198         my $represent_name;
1199         my $transmit_name;
1200
1201         return if ContainsPipe($e, $e->{LEVELS}[0]);
1202
1203         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1204
1205         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1206                 $self->pidl("{");
1207                 $self->indent;
1208                 $represent_name = $var_name;
1209                 $transmit_name = "_transmit_$e->{NAME}";
1210                 $var_name = $transmit_name;
1211                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1212         }
1213
1214         $var_name = append_prefix($e, $var_name);
1215
1216         $self->start_flags($e, $ndr);
1217
1218         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1219
1220         $self->end_flags($e, $ndr);
1221
1222         # Representation type is different from transmit_as
1223         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1224                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1225                 $self->deindent;
1226                 $self->pidl("}");
1227         }
1228 }
1229
1230 #####################################################################
1231 # parse a pointer in a struct element or function
1232 sub ParsePtrPull($$$$$)
1233 {
1234         my($self, $e,$l,$ndr,$var_name) = @_;
1235
1236         my $nl = GetNextLevel($e, $l);
1237         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1238         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1239                                                  ($nl->{DATA_TYPE} eq "string"));
1240
1241         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1242
1243                 if (!$next_is_array and !$next_is_string) {
1244                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1245                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1246                         $self->pidl("}");
1247                 }
1248
1249                 return;
1250         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1251                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1252         } elsif (($l->{POINTER_TYPE} eq "unique") or
1253                  ($l->{POINTER_TYPE} eq "relative") or
1254                  ($l->{POINTER_TYPE} eq "full")) {
1255                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1256         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1257                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1258         } else {
1259                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1260         }
1261
1262         $self->pidl("if (_ptr_$e->{NAME}) {");
1263         $self->indent;
1264
1265         # Don't do this for arrays, they're allocated at the actual level
1266         # of the array
1267         unless ($next_is_array or $next_is_string) {
1268                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1269         } else {
1270                 # FIXME: Yes, this is nasty.
1271                 # We allocate an array twice
1272                 # - once just to indicate that it's there,
1273                 # - then the real allocation...
1274                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1275         }
1276
1277         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1278         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1279                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1280         }
1281         $self->deindent;
1282         $self->pidl("} else {");
1283         $self->pidl("\t$var_name = NULL;");
1284         $self->pidl("}");
1285 }
1286
1287 sub ParseStructPushPrimitives($$$$$)
1288 {
1289         my ($self, $struct, $ndr, $varname, $env) = @_;
1290
1291         # see if the structure contains a conformant array. If it
1292         # does, then it must be the last element of the structure, and
1293         # we need to push the conformant length early, as it fits on
1294         # the wire before the structure (and even before the structure
1295         # alignment)
1296         if (defined($struct->{SURROUNDING_ELEMENT})) {
1297                 my $e = $struct->{SURROUNDING_ELEMENT};
1298
1299                 if (defined($e->{LEVELS}[0]) and
1300                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1301                         my $size;
1302
1303                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1304                                 if (has_property($e, "charset")) {
1305                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1306                                 } else {
1307                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1308                                 }
1309                         } else {
1310                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1311                         }
1312
1313                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1314                 } else {
1315                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1316                 }
1317         }
1318
1319         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1320
1321         if (defined($struct->{PROPERTIES}{relative_base})) {
1322                 # set the current offset as base for relative pointers
1323                 # and store it based on the toplevel struct/union
1324                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1325         }
1326
1327         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1328
1329         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1330 }
1331
1332 sub ParseStructPushDeferred($$$$)
1333 {
1334         my ($self, $struct, $ndr, $varname, $env) = @_;
1335         if (defined($struct->{PROPERTIES}{relative_base})) {
1336                 # retrieve the current offset as base for relative pointers
1337                 # based on the toplevel struct/union
1338                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1339         }
1340         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1341 }
1342
1343 #####################################################################
1344 # parse a struct
1345 sub ParseStructPush($$$$)
1346 {
1347         my ($self, $struct, $ndr, $varname) = @_;
1348
1349         return unless defined($struct->{ELEMENTS});
1350
1351         my $env = GenerateStructEnv($struct, $varname);
1352
1353         EnvSubstituteValue($env, $struct);
1354
1355         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1356
1357         $self->start_flags($struct, $ndr);
1358
1359         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1360         $self->indent;
1361         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1362         $self->deindent;
1363         $self->pidl("}");
1364
1365         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1366         $self->indent;
1367         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1368         $self->deindent;
1369         $self->pidl("}");
1370
1371         $self->end_flags($struct, $ndr);
1372 }
1373
1374 #####################################################################
1375 # generate a push function for an enum
1376 sub ParseEnumPush($$$$)
1377 {
1378         my($self,$enum,$ndr,$varname) = @_;
1379         my($type_fn) = $enum->{BASE_TYPE};
1380
1381         $self->start_flags($enum, $ndr);
1382         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1383         $self->end_flags($enum, $ndr);
1384 }
1385
1386 #####################################################################
1387 # generate a pull function for an enum
1388 sub ParseEnumPull($$$$)
1389 {
1390         my($self,$enum,$ndr,$varname) = @_;
1391         my($type_fn) = $enum->{BASE_TYPE};
1392         my($type_v_decl) = mapTypeName($type_fn);
1393
1394         $self->pidl("$type_v_decl v;");
1395         $self->start_flags($enum, $ndr);
1396         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1397         $self->pidl("*$varname = v;");
1398
1399         $self->end_flags($enum, $ndr);
1400 }
1401
1402 #####################################################################
1403 # generate a print function for an enum
1404 sub ParseEnumPrint($$$$$)
1405 {
1406         my($self,$enum,$ndr,$name,$varname) = @_;
1407
1408         $self->pidl("const char *val = NULL;");
1409         $self->pidl("");
1410
1411         $self->start_flags($enum, $ndr);
1412
1413         $self->pidl("switch ($varname) {");
1414         $self->indent;
1415         my $els = \@{$enum->{ELEMENTS}};
1416         foreach my $i (0 .. $#{$els}) {
1417                 my $e = ${$els}[$i];
1418                 chomp $e;
1419                 if ($e =~ /^(.*)=/) {
1420                         $e = $1;
1421                 }
1422                 $self->pidl("case $e: val = \"$e\"; break;");
1423         }
1424
1425         $self->deindent;
1426         $self->pidl("}");
1427
1428         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1429
1430         $self->end_flags($enum, $ndr);
1431 }
1432
1433 sub DeclEnum($$$$)
1434 {
1435         my ($e,$t,$name,$varname) = @_;
1436         return "enum $name " .
1437                 ($t eq "pull"?"*":"") . $varname;
1438 }
1439
1440 $typefamily{ENUM} = {
1441         DECL => \&DeclEnum,
1442         PUSH_FN_BODY => \&ParseEnumPush,
1443         PULL_FN_BODY => \&ParseEnumPull,
1444         PRINT_FN_BODY => \&ParseEnumPrint,
1445 };
1446
1447 #####################################################################
1448 # generate a push function for a bitmap
1449 sub ParseBitmapPush($$$$)
1450 {
1451         my($self,$bitmap,$ndr,$varname) = @_;
1452         my($type_fn) = $bitmap->{BASE_TYPE};
1453
1454         $self->start_flags($bitmap, $ndr);
1455
1456         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1457
1458         $self->end_flags($bitmap, $ndr);
1459 }
1460
1461 #####################################################################
1462 # generate a pull function for an bitmap
1463 sub ParseBitmapPull($$$$)
1464 {
1465         my($self,$bitmap,$ndr,$varname) = @_;
1466         my $type_fn = $bitmap->{BASE_TYPE};
1467         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1468
1469         $self->pidl("$type_decl v;");
1470         $self->start_flags($bitmap, $ndr);
1471         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1472         $self->pidl("*$varname = v;");
1473
1474         $self->end_flags($bitmap, $ndr);
1475 }
1476
1477 #####################################################################
1478 # generate a print function for an bitmap
1479 sub ParseBitmapPrintElement($$$$$$)
1480 {
1481         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1482         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1483         my($type_fn) = $bitmap->{BASE_TYPE};
1484         my($flag);
1485
1486         if ($e =~ /^(\w+) .*$/) {
1487                 $flag = "$1";
1488         } else {
1489                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1490         }
1491
1492         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1493 }
1494
1495 #####################################################################
1496 # generate a print function for an bitmap
1497 sub ParseBitmapPrint($$$$$)
1498 {
1499         my($self,$bitmap,$ndr,$name,$varname) = @_;
1500         my($type_decl) = mapTypeName($bitmap->{TYPE});
1501         my($type_fn) = $bitmap->{BASE_TYPE};
1502
1503         $self->start_flags($bitmap, $ndr);
1504
1505         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1506
1507         $self->pidl("$ndr->depth++;");
1508         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1509                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1510         }
1511         $self->pidl("$ndr->depth--;");
1512
1513         $self->end_flags($bitmap, $ndr);
1514 }
1515
1516 sub DeclBitmap($$$$)
1517 {
1518         my ($e,$t,$name,$varname) = @_;
1519         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1520                 ($t eq "pull"?" *":" ") . $varname;
1521 }
1522
1523 $typefamily{BITMAP} = {
1524         DECL => \&DeclBitmap,
1525         PUSH_FN_BODY => \&ParseBitmapPush,
1526         PULL_FN_BODY => \&ParseBitmapPull,
1527         PRINT_FN_BODY => \&ParseBitmapPrint,
1528 };
1529
1530 #####################################################################
1531 # generate a struct print function
1532 sub ParseStructPrint($$$$$)
1533 {
1534         my($self,$struct,$ndr,$name,$varname) = @_;
1535
1536         return unless defined $struct->{ELEMENTS};
1537
1538         my $env = GenerateStructEnv($struct, $varname);
1539
1540         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1541
1542         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1543         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1544
1545         $self->start_flags($struct, $ndr);
1546
1547         $self->pidl("$ndr->depth++;");
1548
1549         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1550                 foreach (@{$struct->{ELEMENTS}});
1551         $self->pidl("$ndr->depth--;");
1552
1553         $self->end_flags($struct, $ndr);
1554 }
1555
1556 sub DeclarePtrVariables($$)
1557 {
1558         my ($self,$e) = @_;
1559         foreach my $l (@{$e->{LEVELS}}) {
1560                 my $size = 32;
1561                 if ($l->{TYPE} eq "POINTER" and
1562                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1563                         if ($l->{POINTER_TYPE} eq "relative_short") {
1564                                 $size = 16;
1565                         }
1566                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1567                         last;
1568                 }
1569         }
1570 }
1571
1572 sub DeclareArrayVariables($$;$)
1573 {
1574         my ($self,$e,$pull) = @_;
1575
1576         foreach my $l (@{$e->{LEVELS}}) {
1577                 next if ($l->{TYPE} ne "ARRAY");
1578                 if (defined($pull)) {
1579                         $self->pidl("uint32_t size_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1580                         if ($l->{IS_VARYING}) {
1581                                 $self->pidl("uint32_t length_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1582                         }
1583                 }
1584                 next if has_fast_array($e,$l);
1585                 next if is_charset_array($e,$l);
1586                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1587         }
1588 }
1589
1590 sub DeclareArrayVariablesNoZero($$$)
1591 {
1592         my ($self,$e,$env) = @_;
1593
1594         foreach my $l (@{$e->{LEVELS}}) {
1595                 next if ($l->{TYPE} ne "ARRAY");
1596                 next if has_fast_array($e,$l);
1597                 next if is_charset_array($e,$l);
1598                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1599                 if ($length eq "0") {
1600                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1601                 } else {
1602                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1603                 }
1604         }
1605 }
1606
1607 sub DeclareMemCtxVariables($$)
1608 {
1609         my ($self,$e) = @_;
1610         foreach my $l (@{$e->{LEVELS}}) {
1611                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1612                 if (defined($mem_flags)) {
1613                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1614                 }
1615         }
1616 }
1617
1618 sub ParseStructPullPrimitives($$$$$)
1619 {
1620         my($self,$struct,$ndr,$varname,$env) = @_;
1621
1622         if (defined $struct->{SURROUNDING_ELEMENT}) {
1623                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1624         }
1625
1626         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1627
1628         if (defined($struct->{PROPERTIES}{relative_base})) {
1629                 # set the current offset as base for relative pointers
1630                 # and store it based on the toplevel struct/union
1631                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1632         }
1633
1634         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1635
1636         $self->add_deferred();
1637
1638         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1639 }
1640
1641 sub ParseStructPullDeferred($$$$$)
1642 {
1643         my ($self,$struct,$ndr,$varname,$env) = @_;
1644
1645         if (defined($struct->{PROPERTIES}{relative_base})) {
1646                 # retrieve the current offset as base for relative pointers
1647                 # based on the toplevel struct/union
1648                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1649         }
1650         foreach my $e (@{$struct->{ELEMENTS}}) {
1651                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1652         }
1653
1654         $self->add_deferred();
1655 }
1656
1657 #####################################################################
1658 # parse a struct - pull side
1659 sub ParseStructPull($$$$)
1660 {
1661         my($self,$struct,$ndr,$varname) = @_;
1662
1663         return unless defined $struct->{ELEMENTS};
1664
1665         # declare any internal pointers we need
1666         foreach my $e (@{$struct->{ELEMENTS}}) {
1667                 $self->DeclarePtrVariables($e);
1668                 $self->DeclareArrayVariables($e, "pull");
1669                 $self->DeclareMemCtxVariables($e);
1670         }
1671
1672         $self->start_flags($struct, $ndr);
1673
1674         my $env = GenerateStructEnv($struct, $varname);
1675
1676         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1677         $self->indent;
1678         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1679         $self->deindent;
1680         $self->pidl("}");
1681         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1682         $self->indent;
1683         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1684         $self->deindent;
1685         $self->pidl("}");
1686
1687         $self->end_flags($struct, $ndr);
1688 }
1689
1690 #####################################################################
1691 # calculate size of ndr struct
1692 sub ParseStructNdrSize($$$$)
1693 {
1694         my ($self,$t, $name, $varname) = @_;
1695         my $sizevar;
1696
1697         if (my $flags = has_property($t, "flag")) {
1698                 $self->pidl("flags |= $flags;");
1699         }
1700         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1701 }
1702
1703 sub DeclStruct($$$$)
1704 {
1705         my ($e,$t,$name,$varname) = @_;
1706         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1707 }
1708
1709 sub ArgsStructNdrSize($$$)
1710 {
1711         my ($d, $name, $varname) = @_;
1712         return "const struct $name *$varname, int flags";
1713 }
1714
1715 $typefamily{STRUCT} = {
1716         PUSH_FN_BODY => \&ParseStructPush,
1717         DECL => \&DeclStruct,
1718         PULL_FN_BODY => \&ParseStructPull,
1719         PRINT_FN_BODY => \&ParseStructPrint,
1720         SIZE_FN_BODY => \&ParseStructNdrSize,
1721         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1722 };
1723
1724 #####################################################################
1725 # calculate size of ndr struct
1726 sub ParseUnionNdrSize($$$)
1727 {
1728         my ($self, $t, $name, $varname) = @_;
1729         my $sizevar;
1730
1731         if (my $flags = has_property($t, "flag")) {
1732                 $self->pidl("flags |= $flags;");
1733         }
1734
1735         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1736 }
1737
1738 sub ParseUnionPushPrimitives($$$$)
1739 {
1740         my ($self, $e, $ndr ,$varname) = @_;
1741
1742         my $have_default = 0;
1743
1744         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1745
1746         if (defined($e->{SWITCH_TYPE})) {
1747                 if (defined($e->{ALIGN})) {
1748                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1749                 }
1750
1751                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1752         }
1753
1754         if (defined($e->{ALIGN})) {
1755                 if ($e->{IS_MS_UNION}) {
1756                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1757                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1758                 } else {
1759                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1760                 }
1761         }
1762
1763         $self->pidl("switch (level) {");
1764         $self->indent;
1765         foreach my $el (@{$e->{ELEMENTS}}) {
1766                 if ($el->{CASE} eq "default") {
1767                         $have_default = 1;
1768                 }
1769                 $self->pidl("$el->{CASE}: {");
1770
1771                 if ($el->{TYPE} ne "EMPTY") {
1772                         $self->indent;
1773                         if (defined($e->{PROPERTIES}{relative_base})) {
1774                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1775                                 # set the current offset as base for relative pointers
1776                                 # and store it based on the toplevel struct/union
1777                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1778                         }
1779                         $self->DeclareArrayVariables($el);
1780                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1781                         $self->deindent;
1782                 }
1783                 $self->pidl("break; }");
1784                 $self->pidl("");
1785         }
1786         if (! $have_default) {
1787                 $self->pidl("default:");
1788                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1789         }
1790         $self->deindent;
1791         $self->pidl("}");
1792 }
1793
1794 sub ParseUnionPushDeferred($$$$)
1795 {
1796         my ($self,$e,$ndr,$varname) = @_;
1797
1798         my $have_default = 0;
1799
1800         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1801         if (defined($e->{PROPERTIES}{relative_base})) {
1802                 # retrieve the current offset as base for relative pointers
1803                 # based on the toplevel struct/union
1804                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1805         }
1806         $self->pidl("switch (level) {");
1807         $self->indent;
1808         foreach my $el (@{$e->{ELEMENTS}}) {
1809                 if ($el->{CASE} eq "default") {
1810                         $have_default = 1;
1811                 }
1812
1813                 $self->pidl("$el->{CASE}:");
1814                 if ($el->{TYPE} ne "EMPTY") {
1815                         $self->indent;
1816                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1817                         $self->deindent;
1818                 }
1819                 $self->pidl("break;");
1820                 $self->pidl("");
1821         }
1822         if (! $have_default) {
1823                 $self->pidl("default:");
1824                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1825         }
1826         $self->deindent;
1827         $self->pidl("}");
1828 }
1829
1830 #####################################################################
1831 # parse a union - push side
1832 sub ParseUnionPush($$$$)
1833 {
1834         my ($self,$e,$ndr,$varname) = @_;
1835         my $have_default = 0;
1836
1837         $self->start_flags($e, $ndr);
1838
1839         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1840         $self->indent;
1841         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1842         $self->deindent;
1843         $self->pidl("}");
1844         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1845         $self->indent;
1846         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1847         $self->deindent;
1848         $self->pidl("}");
1849         $self->end_flags($e, $ndr);
1850 }
1851
1852 #####################################################################
1853 # print a union
1854 sub ParseUnionPrint($$$$$)
1855 {
1856         my ($self,$e,$ndr,$name,$varname) = @_;
1857         my $have_default = 0;
1858
1859         $self->pidl("uint32_t level;");
1860         foreach my $el (@{$e->{ELEMENTS}}) {
1861                 $self->DeclareArrayVariables($el);
1862         }
1863
1864         $self->start_flags($e, $ndr);
1865
1866         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1867
1868         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1869
1870         $self->pidl("switch (level) {");
1871         $self->indent;
1872         foreach my $el (@{$e->{ELEMENTS}}) {
1873                 if ($el->{CASE} eq "default") {
1874                         $have_default = 1;
1875                 }
1876                 $self->pidl("$el->{CASE}:");
1877                 if ($el->{TYPE} ne "EMPTY") {
1878                         $self->indent;
1879                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1880                         $self->deindent;
1881                 }
1882                 $self->pidl("break;");
1883                 $self->pidl("");
1884         }
1885         if (! $have_default) {
1886                 $self->pidl("default:");
1887                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1888         }
1889         $self->deindent;
1890         $self->pidl("}");
1891
1892         $self->end_flags($e, $ndr);
1893 }
1894
1895 sub ParseUnionPullPrimitives($$$$$)
1896 {
1897         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1898         my $have_default = 0;
1899
1900
1901         if (defined($switch_type)) {
1902                 if (defined($e->{ALIGN})) {
1903                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1904                 }
1905
1906                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1907                 $self->pidl("if (_level != level) {");
1908                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1909                 $self->pidl("}");
1910         }
1911
1912         if (defined($e->{ALIGN})) {
1913                 if ($e->{IS_MS_UNION}) {
1914                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1915                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1916                 } else {
1917                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1918                 }
1919         }
1920
1921         $self->pidl("switch (level) {");
1922         $self->indent;
1923         foreach my $el (@{$e->{ELEMENTS}}) {
1924                 if ($el->{CASE} eq "default") {
1925                         $have_default = 1;
1926                 }
1927                 $self->pidl("$el->{CASE}: {");
1928
1929                 if ($el->{TYPE} ne "EMPTY") {
1930                         $self->indent;
1931                         if (defined($e->{PROPERTIES}{relative_base})) {
1932                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1933                                 # set the current offset as base for relative pointers
1934                                 # and store it based on the toplevel struct/union
1935                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1936                         }
1937                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1938                         $self->deindent;
1939                 }
1940                 $self->pidl("break; }");
1941                 $self->pidl("");
1942         }
1943         if (! $have_default) {
1944                 $self->pidl("default:");
1945                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1946         }
1947         $self->deindent;
1948         $self->pidl("}");
1949 }
1950
1951 sub ParseUnionPullDeferred($$$$)
1952 {
1953         my ($self,$e,$ndr,$varname) = @_;
1954         my $have_default = 0;
1955
1956         if (defined($e->{PROPERTIES}{relative_base})) {
1957                 # retrieve the current offset as base for relative pointers
1958                 # based on the toplevel struct/union
1959                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1960         }
1961         $self->pidl("switch (level) {");
1962         $self->indent;
1963         foreach my $el (@{$e->{ELEMENTS}}) {
1964                 if ($el->{CASE} eq "default") {
1965                         $have_default = 1;
1966                 }
1967
1968                 $self->pidl("$el->{CASE}:");
1969                 if ($el->{TYPE} ne "EMPTY") {
1970                         $self->indent;
1971                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1972                         $self->deindent;
1973                 }
1974                 $self->pidl("break;");
1975                 $self->pidl("");
1976         }
1977         if (! $have_default) {
1978                 $self->pidl("default:");
1979                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1980         }
1981         $self->deindent;
1982         $self->pidl("}");
1983
1984
1985 }
1986
1987 #####################################################################
1988 # parse a union - pull side
1989 sub ParseUnionPull($$$$)
1990 {
1991         my ($self,$e,$ndr,$varname) = @_;
1992         my $switch_type = $e->{SWITCH_TYPE};
1993
1994         $self->pidl("uint32_t level;");
1995         if (defined($switch_type)) {
1996                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1997                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1998                 }
1999                 $self->pidl(mapTypeName($switch_type) . " _level;");
2000         }
2001
2002         my %double_cases = ();
2003         foreach my $el (@{$e->{ELEMENTS}}) {
2004                 next if ($el->{TYPE} eq "EMPTY");
2005                 next if ($double_cases{"$el->{NAME}"});
2006                 $self->DeclareMemCtxVariables($el);
2007                 $self->DeclarePtrVariables($el);
2008                 $self->DeclareArrayVariables($el, "pull");
2009                 $double_cases{"$el->{NAME}"} = 1;
2010         }
2011
2012         $self->start_flags($e, $ndr);
2013
2014         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2015
2016         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2017         $self->indent;
2018         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2019         $self->deindent;
2020         $self->pidl("}");
2021
2022         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2023         $self->indent;
2024         $self->ParseUnionPullDeferred($e,$ndr,$varname);
2025         $self->deindent;
2026         $self->pidl("}");
2027
2028         $self->add_deferred();
2029
2030         $self->end_flags($e, $ndr);
2031 }
2032
2033 sub DeclUnion($$$$)
2034 {
2035         my ($e,$t,$name,$varname) = @_;
2036         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2037 }
2038
2039 sub ArgsUnionNdrSize($$)
2040 {
2041         my ($d,$name) = @_;
2042         return "const union $name *r, uint32_t level, int flags";
2043 }
2044
2045 $typefamily{UNION} = {
2046         PUSH_FN_BODY => \&ParseUnionPush,
2047         DECL => \&DeclUnion,
2048         PULL_FN_BODY => \&ParseUnionPull,
2049         PRINT_FN_BODY => \&ParseUnionPrint,
2050         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2051         SIZE_FN_BODY => \&ParseUnionNdrSize,
2052 };
2053
2054 #####################################################################
2055 # parse a typedef - push side
2056 sub ParseTypedefPush($$$$)
2057 {
2058         my($self,$e,$ndr,$varname) = @_;
2059
2060         my $env;
2061
2062         $env->{$e->{NAME}} = $varname;
2063
2064         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2065 }
2066
2067 #####################################################################
2068 # parse a typedef - pull side
2069 sub ParseTypedefPull($$$$)
2070 {
2071         my($self,$e,$ndr,$varname) = @_;
2072
2073         my $env;
2074
2075         $env->{$e->{NAME}} = $varname;
2076
2077         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2078 }
2079
2080 #####################################################################
2081 # parse a typedef - print side
2082 sub ParseTypedefPrint($$$$$)
2083 {
2084         my($self,$e,$ndr,$name,$varname) = @_;
2085
2086         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2087 }
2088
2089 #####################################################################
2090 ## calculate the size of a structure
2091 sub ParseTypedefNdrSize($$$$)
2092 {
2093         my($self,$t,$name,$varname) = @_;
2094
2095         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2096 }
2097
2098 sub DeclTypedef($$$$)
2099 {
2100         my ($e, $t, $name, $varname) = @_;
2101
2102         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2103 }
2104
2105 sub ArgsTypedefNdrSize($$$)
2106 {
2107         my ($d, $name, $varname) = @_;
2108         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2109 }
2110
2111 $typefamily{TYPEDEF} = {
2112         PUSH_FN_BODY => \&ParseTypedefPush,
2113         DECL => \&DeclTypedef,
2114         PULL_FN_BODY => \&ParseTypedefPull,
2115         PRINT_FN_BODY => \&ParseTypedefPrint,
2116         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2117         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2118 };
2119
2120 sub ParsePipePushChunk($$)
2121 {
2122         my ($self, $t) = @_;
2123
2124         my $pipe = $t;
2125         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2126         my $struct = $pipe->{DATA};
2127
2128         my $name = "$struct->{NAME}";
2129         my $ndr = "ndr";
2130         my $varname = "r";
2131
2132         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2133
2134         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2135
2136         return if has_property($t, "nopush");
2137
2138         $self->pidl("{");
2139         $self->indent;
2140
2141         $self->ParseStructPush($struct, $ndr, $varname);
2142         $self->pidl("");
2143
2144         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2145         $self->pidl("");
2146
2147         $self->pidl("return NDR_ERR_SUCCESS;");
2148         $self->deindent;
2149         $self->pidl("}");
2150         $self->pidl("");
2151 }
2152
2153 sub ParsePipePullChunk($$)
2154 {
2155         my ($self, $t) = @_;
2156
2157         my $pipe = $t;
2158         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2159         my $struct = $pipe->{DATA};
2160
2161         my $name = "$struct->{NAME}";
2162         my $ndr = "ndr";
2163         my $varname = "r";
2164
2165         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2166
2167         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2168
2169         return if has_property($struct, "nopull");
2170
2171         $self->pidl("{");
2172         $self->indent;
2173
2174         $self->ParseStructPull($struct, $ndr, $varname);
2175         $self->pidl("");
2176
2177         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2178         $self->pidl("");
2179
2180         $self->pidl("return NDR_ERR_SUCCESS;");
2181         $self->deindent;
2182         $self->pidl("}");
2183         $self->pidl("");
2184 }
2185
2186 sub ParsePipePrintChunk($$)
2187 {
2188         my ($self, $t) = @_;
2189
2190         my $pipe = $t;
2191         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2192         my $struct = $pipe->{DATA};
2193
2194         my $name = "$struct->{NAME}";
2195         my $ndr = "ndr";
2196         my $varname = "r";
2197
2198         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2199
2200         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2201
2202         return if (has_property($t, "noprint"));
2203
2204         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2205         $self->pidl("{");
2206         $self->indent;
2207         $self->ParseTypePrint($struct, $ndr, $varname);
2208         $self->deindent;
2209         $self->pidl("}");
2210         $self->pidl("");
2211 }
2212
2213 #####################################################################
2214 # parse a function - print side
2215 sub ParseFunctionPrint($$)
2216 {
2217         my($self, $fn) = @_;
2218         my $ndr = "ndr";
2219
2220         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2221
2222         return if has_property($fn, "noprint");
2223
2224         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2225         $self->pidl("{");
2226         $self->indent;
2227
2228         foreach my $e (@{$fn->{ELEMENTS}}) {
2229                 $self->DeclareArrayVariables($e);
2230         }
2231
2232         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2233         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2234         $self->pidl("$ndr->depth++;");
2235
2236         $self->pidl("if (flags & NDR_SET_VALUES) {");
2237         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2238         $self->pidl("}");
2239
2240         $self->pidl("if (flags & NDR_IN) {");
2241         $self->indent;
2242         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2243         $self->pidl("$ndr->depth++;");
2244
2245         my $env = GenerateFunctionInEnv($fn);
2246
2247         foreach my $e (@{$fn->{ELEMENTS}}) {
2248                 if (grep(/in/,@{$e->{DIRECTION}})) {
2249                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2250                 }
2251         }
2252         $self->pidl("$ndr->depth--;");
2253         $self->deindent;
2254         $self->pidl("}");
2255
2256         $self->pidl("if (flags & NDR_OUT) {");
2257         $self->indent;
2258         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2259         $self->pidl("$ndr->depth++;");
2260
2261         $env = GenerateFunctionOutEnv($fn);
2262         foreach my $e (@{$fn->{ELEMENTS}}) {
2263                 if (grep(/out/,@{$e->{DIRECTION}})) {
2264                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2265                 }
2266         }
2267         if ($fn->{RETURN_TYPE}) {
2268                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2269         }
2270         $self->pidl("$ndr->depth--;");
2271         $self->deindent;
2272         $self->pidl("}");
2273
2274         $self->pidl("$ndr->depth--;");
2275         $self->deindent;
2276         $self->pidl("}");
2277         $self->pidl("");
2278 }
2279
2280 #####################################################################
2281 # parse a function
2282 sub ParseFunctionPush($$)
2283 {
2284         my($self, $fn) = @_;
2285         my $ndr = "ndr";
2286
2287         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2288
2289         return if has_property($fn, "nopush");
2290
2291         $self->pidl("{");
2292         $self->indent;
2293
2294         foreach my $e (@{$fn->{ELEMENTS}}) {
2295                 $self->DeclareArrayVariables($e);
2296         }
2297
2298         $self->pidl("if (flags & NDR_IN) {");
2299         $self->indent;
2300
2301         my $env = GenerateFunctionInEnv($fn);
2302
2303         EnvSubstituteValue($env, $fn);
2304
2305         foreach my $e (@{$fn->{ELEMENTS}}) {
2306                 if (grep(/in/,@{$e->{DIRECTION}})) {
2307                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2308                 }
2309         }
2310
2311         $self->deindent;
2312         $self->pidl("}");
2313
2314         $self->pidl("if (flags & NDR_OUT) {");
2315         $self->indent;
2316
2317         $env = GenerateFunctionOutEnv($fn);
2318         foreach my $e (@{$fn->{ELEMENTS}}) {
2319                 if (grep(/out/,@{$e->{DIRECTION}})) {
2320                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2321                 }
2322         }
2323
2324         if ($fn->{RETURN_TYPE}) {
2325                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2326         }
2327
2328         $self->deindent;
2329         $self->pidl("}");
2330         $self->pidl("return NDR_ERR_SUCCESS;");
2331         $self->deindent;
2332         $self->pidl("}");
2333         $self->pidl("");
2334 }
2335
2336 sub AllocateArrayLevel($$$$$$)
2337 {
2338         my ($self,$e,$l,$ndr,$var,$size) = @_;
2339
2340         my $pl = GetPrevLevel($e, $l);
2341         if (defined($pl) and
2342             $pl->{TYPE} eq "POINTER" and
2343             $pl->{POINTER_TYPE} eq "ref"
2344             and not $l->{IS_ZERO_TERMINATED}) {
2345                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2346                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2347                 $self->pidl("}");
2348                 if (grep(/in/,@{$e->{DIRECTION}}) and
2349                     grep(/out/,@{$e->{DIRECTION}})) {
2350                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2351                 }
2352                 return;
2353         }
2354
2355         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2356 }
2357
2358 #####################################################################
2359 # parse a function
2360 sub ParseFunctionPull($$)
2361 {
2362         my($self,$fn) = @_;
2363         my $ndr = "ndr";
2364
2365         # pull function args
2366         $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;
2367
2368         $self->pidl("{");
2369         $self->indent;
2370
2371         # declare any internal pointers we need
2372         foreach my $e (@{$fn->{ELEMENTS}}) {
2373                 $self->DeclarePtrVariables($e);
2374                 $self->DeclareArrayVariables($e, "pull");
2375         }
2376
2377         my %double_cases = ();
2378         foreach my $e (@{$fn->{ELEMENTS}}) {
2379                 next if ($e->{TYPE} eq "EMPTY");
2380                 next if ($double_cases{"$e->{NAME}"});
2381                 $self->DeclareMemCtxVariables($e);
2382                 $double_cases{"$e->{NAME}"} = 1;
2383         }
2384
2385         $self->pidl("if (flags & NDR_IN) {");
2386         $self->indent;
2387
2388         # auto-init the out section of a structure. I originally argued that
2389         # this was a bad idea as it hides bugs, but coping correctly
2390         # with initialisation and not wiping ref vars is turning
2391         # out to be too tricky (tridge)
2392         foreach my $e (@{$fn->{ELEMENTS}}) {
2393                 next unless grep(/out/, @{$e->{DIRECTION}});
2394                 $self->pidl("ZERO_STRUCT(r->out);");
2395                 $self->pidl("");
2396                 last;
2397         }
2398
2399         my $env = GenerateFunctionInEnv($fn);
2400
2401         foreach my $e (@{$fn->{ELEMENTS}}) {
2402                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2403                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2404         }
2405
2406         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2407         # own flag rather than be in NDR_IN ?
2408
2409         foreach my $e (@{$fn->{ELEMENTS}}) {
2410                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2411                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2412                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2413                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2414                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2415                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2416                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2417                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2418
2419                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2420                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2421                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2422                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2423                                 check_fully_dereferenced($e, $env));
2424                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2425
2426                         if (grep(/in/, @{$e->{DIRECTION}})) {
2427                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2428                         } else {
2429                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2430                         }
2431                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2432                         if (grep(/in/, @{$e->{DIRECTION}})) {
2433                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2434                         } else {
2435                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2436                         }
2437                 } else {
2438                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2439
2440                         if (grep(/in/, @{$e->{DIRECTION}})) {
2441                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2442                         } else {
2443                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2444                         }
2445                 }
2446         }
2447
2448         $self->add_deferred();
2449         $self->deindent;
2450         $self->pidl("}");
2451
2452         $self->pidl("if (flags & NDR_OUT) {");
2453         $self->indent;
2454
2455         $env = GenerateFunctionOutEnv($fn);
2456         foreach my $e (@{$fn->{ELEMENTS}}) {
2457                 next unless grep(/out/, @{$e->{DIRECTION}});
2458                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2459         }
2460
2461         if ($fn->{RETURN_TYPE}) {
2462                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2463         }
2464
2465         $self->add_deferred();
2466         $self->deindent;
2467         $self->pidl("}");
2468
2469         $self->pidl("return NDR_ERR_SUCCESS;");
2470         $self->deindent;
2471         $self->pidl("}");
2472         $self->pidl("");
2473 }
2474
2475 sub AuthServiceStruct($$$)
2476 {
2477         my ($self, $ifacename, $authservice) = @_;
2478         my @a = split /,/, $authservice;
2479         my $authservice_count = $#a + 1;
2480
2481         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2482         foreach my $ap (@a) {
2483                 $self->pidl("\t$ap, ");
2484         }
2485         $self->pidl("};");
2486         $self->pidl("");
2487
2488         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2489         $self->pidl("\t.count\t= $authservice_count,");
2490         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2491         $self->pidl("};");
2492         $self->pidl("");
2493 }
2494
2495 sub ParseGeneratePipeArray($$$)
2496 {
2497         my ($self, $fn, $direction) = @_;
2498
2499         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2500         $self->indent;
2501
2502         foreach my $e (@{$fn->{ELEMENTS}}) {
2503                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2504                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2505
2506                 my $cname = "$e->{TYPE}_chunk";
2507
2508                 $self->pidl("{");
2509                 $self->indent;
2510                 $self->pidl("\"$direction.$e->{NAME}\",");
2511                 $self->pidl("\"$cname\",");
2512                 $self->pidl("sizeof(struct $cname),");
2513                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2514                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2515                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2516                 $self->deindent;
2517                 $self->pidl("},");
2518         }
2519         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2520         $self->deindent;
2521         $self->pidl("};");
2522         $self->pidl("");
2523 }
2524
2525 sub FunctionCallPipes($$)
2526 {
2527         my ($self, $d) = @_;
2528         return if not defined($d->{OPNUM});
2529
2530         my $in_pipes = 0;
2531         my $out_pipes = 0;
2532
2533         foreach my $e (@{$d->{ELEMENTS}}) {
2534                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2535
2536                 if (grep(/in/, @{$e->{DIRECTION}})) {
2537                         $in_pipes++;
2538                 }
2539                 if (grep(/out/, @{$e->{DIRECTION}})) {
2540                         $out_pipes++;
2541                 }
2542         }
2543
2544         if ($in_pipes) {
2545                 $self->ParseGeneratePipeArray($d, "in");
2546         }
2547
2548         if ($out_pipes) {
2549                 $self->ParseGeneratePipeArray($d, "out");
2550         }
2551 }
2552
2553 sub FunctionCallEntry($$)
2554 {
2555         my ($self, $d) = @_;
2556         return 0 if not defined($d->{OPNUM});
2557
2558         my $in_pipes = 0;
2559         my $out_pipes = 0;
2560
2561         foreach my $e (@{$d->{ELEMENTS}}) {
2562                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2563
2564                 if (grep(/in/, @{$e->{DIRECTION}})) {
2565                         $in_pipes++;
2566                 }
2567                 if (grep(/out/, @{$e->{DIRECTION}})) {
2568                         $out_pipes++;
2569                 }
2570         }
2571
2572         my $in_pipes_ptr = "NULL";
2573         my $out_pipes_ptr = "NULL";
2574
2575         if ($in_pipes) {
2576                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2577         }
2578
2579         if ($out_pipes) {
2580                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2581         }
2582
2583         $self->pidl("\t{");
2584         $self->pidl("\t\t\"$d->{NAME}\",");
2585         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2586         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2587         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2588         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2589         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2590         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2591         $self->pidl("\t},");
2592         return 1;
2593 }
2594
2595 #####################################################################
2596 # produce a function call table
2597 sub FunctionTable($$)
2598 {
2599         my($self,$interface) = @_;
2600         my $count = 0;
2601         my $uname = uc $interface->{NAME};
2602
2603         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2604         return unless defined ($interface->{PROPERTIES}->{uuid});
2605
2606         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2607                 $self->FunctionCallPipes($d);
2608         }
2609
2610         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2611
2612         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2613                 $count += $self->FunctionCallEntry($d);
2614         }
2615         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2616         $self->pidl("};");
2617         $self->pidl("");
2618
2619         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2620         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2621                 $self->pidl("\t$ep, ");
2622         }
2623         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2624
2625         $self->pidl("};");
2626         $self->pidl("");
2627
2628         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2629         $self->pidl("\t.count\t= $endpoint_count,");
2630         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2631         $self->pidl("};");
2632         $self->pidl("");
2633
2634         if (! defined $interface->{PROPERTIES}->{authservice}) {
2635                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2636         }
2637
2638         $self->AuthServiceStruct($interface->{NAME},
2639                                      $interface->{PROPERTIES}->{authservice});
2640
2641         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2642         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2643         $self->pidl("\t.syntax_id\t= {");
2644         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2645         $self->pidl("\t\tNDR_$uname\_VERSION");
2646         $self->pidl("\t},");
2647         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2648         $self->pidl("\t.num_calls\t= $count,");
2649         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2650         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2651         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2652         $self->pidl("};");
2653         $self->pidl("");
2654
2655 }
2656
2657 #####################################################################
2658 # generate include statements for imported idl files
2659 sub HeaderImport
2660 {
2661         my $self = shift;
2662         my @imports = @_;
2663         foreach (@imports) {
2664                 $_ = unmake_str($_);
2665                 s/\.idl$//;
2666                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2667         }
2668 }
2669
2670 #####################################################################
2671 # generate include statements for included header files
2672 sub HeaderInclude
2673 {
2674         my $self = shift;
2675         my @includes = @_;
2676         foreach (@includes) {
2677                 $self->pidl_hdr("#include $_");
2678         }
2679 }
2680
2681 #####################################################################
2682 # generate prototypes and defines for the interface definitions
2683 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2684 # NDR parser and so do not belong here, technically speaking
2685 sub HeaderInterface($$$)
2686 {
2687         my($self,$interface,$needed) = @_;
2688
2689         my $count = 0;
2690
2691         if ($needed->{"compression"}) {
2692                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2693         }
2694
2695         if (has_property($interface, "object")) {
2696                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2697         }
2698
2699         if (defined $interface->{PROPERTIES}->{helper}) {
2700                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2701         }
2702
2703         if (defined $interface->{PROPERTIES}->{uuid}) {
2704                 my $name = uc $interface->{NAME};
2705                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2706                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid})));
2707
2708                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2709                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{PROPERTIES}->{version}");
2710
2711                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2712
2713                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2714                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2715
2716                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2717         }
2718
2719         foreach (@{$interface->{FUNCTIONS}}) {
2720                 next if has_property($_, "noopnum");
2721                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2722                 my $u_name = uc $_->{NAME};
2723
2724                 my $val = sprintf("0x%02x", $count);
2725                 if (defined($interface->{BASE})) {
2726                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2727                 }
2728
2729                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2730
2731                 $self->pidl_hdr("");
2732                 $count++;
2733         }
2734
2735         my $val = $count;
2736
2737         if (defined($interface->{BASE})) {
2738                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2739         }
2740
2741         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2742
2743 }
2744
2745 sub ParseTypePush($$$$$$)
2746 {
2747         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2748
2749         # save the old relative_base_offset
2750         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2751         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2752         # restore the old relative_base_offset
2753         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2754 }
2755
2756 sub ParseTypePushFunction($$$)
2757 {
2758         my ($self, $e, $varname) = @_;
2759         my $ndr = "ndr";
2760
2761         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2762
2763         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2764
2765         $self->pidl("{");
2766         $self->indent;
2767         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2768         $self->pidl("return NDR_ERR_SUCCESS;");
2769         $self->deindent;
2770         $self->pidl("}");
2771         $self->pidl("");;
2772 }
2773
2774 sub ParseTypePull($$$$$$)
2775 {
2776         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2777
2778         # save the old relative_base_offset
2779         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2780         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2781         # restore the old relative_base_offset
2782         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2783 }
2784
2785 sub ParseTypePullFunction($$)
2786 {
2787         my ($self, $e, $varname) = @_;
2788         my $ndr = "ndr";
2789
2790         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2791
2792         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2793
2794         $self->pidl("{");
2795         $self->indent;
2796         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2797         $self->pidl("return NDR_ERR_SUCCESS;");
2798         $self->deindent;
2799         $self->pidl("}");
2800         $self->pidl("");
2801 }
2802
2803 sub ParseTypePrint($$$$)
2804 {
2805         my ($self, $e, $ndr, $varname) = @_;
2806
2807         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2808 }
2809
2810 sub ParseTypePrintFunction($$$)
2811 {
2812         my ($self, $e, $varname) = @_;
2813         my $ndr = "ndr";
2814
2815         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2816
2817         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2818
2819         return if (has_property($e, "noprint"));
2820
2821         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2822         $self->pidl("{");
2823         $self->indent;
2824         $self->ParseTypePrint($e, $ndr, $varname);
2825         $self->deindent;
2826         $self->pidl("}");
2827         $self->pidl("");
2828 }
2829
2830 sub ParseTypeNdrSize($$)
2831 {
2832         my ($self,$t) = @_;
2833
2834         my $varname = "r";
2835         my $tf = $typefamily{$t->{TYPE}};
2836         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2837
2838         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2839
2840         $self->pidl("{");
2841         $self->indent;
2842         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2843         $self->deindent;
2844         $self->pidl("}");
2845         $self->pidl("");
2846 }
2847
2848 #####################################################################
2849 # parse the interface definitions
2850 sub ParseInterface($$$)
2851 {
2852         my($self,$interface,$needed) = @_;
2853
2854         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2855         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2856
2857         $self->pidl_hdr("");
2858
2859         $self->HeaderInterface($interface, $needed);
2860
2861         # Typedefs
2862         foreach my $d (@{$interface->{TYPES}}) {
2863                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2864                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2865                                 $self->ParsePipePushChunk($d);
2866                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2867                                 $self->ParsePipePullChunk($d);
2868                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2869                                 $self->ParsePipePrintChunk($d);
2870
2871                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2872                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2873                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2874                         next;
2875                 }
2876
2877                 next unless(typeHasBody($d));
2878
2879                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2880                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2881                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2882
2883                 # Make sure we don't generate a function twice...
2884                 $needed->{TypeFunctionName("ndr_push", $d)} =
2885                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2886                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2887
2888                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2889         }
2890
2891         # Functions
2892         foreach my $d (@{$interface->{FUNCTIONS}}) {
2893                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2894                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2895                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2896         }
2897
2898         $self->FunctionTable($interface);
2899
2900         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2901 }
2902
2903 sub GenerateIncludes($)
2904 {
2905         my ($self) = @_;
2906         if (is_intree()) {
2907                 $self->pidl("#include \"includes.h\"");
2908         } else {
2909                 $self->pidl("#ifndef _GNU_SOURCE");
2910                 $self->pidl("#define _GNU_SOURCE");
2911                 $self->pidl("#endif");
2912                 $self->pidl("#include <stdint.h>");
2913                 $self->pidl("#include <stdlib.h>");
2914                 $self->pidl("#include <stdio.h>");
2915                 $self->pidl("#include <stdbool.h>");
2916                 $self->pidl("#include <stdarg.h>");
2917                 $self->pidl("#include <string.h>");
2918         }
2919 }
2920
2921 #####################################################################
2922 # parse a parsed IDL structure back into an IDL file
2923 sub Parse($$$$)
2924 {
2925         my($self, $ndr,$gen_header,$ndr_header) = @_;
2926
2927         $self->pidl_hdr("/* header auto-generated by pidl */");
2928         $self->pidl_hdr("");
2929         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2930         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2931         $self->pidl_hdr("");
2932
2933         $self->pidl("/* parser auto-generated by pidl */");
2934         $self->pidl("");
2935         $self->GenerateIncludes();
2936         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2937         $self->pidl("");
2938
2939         my %needed = ();
2940
2941         foreach (@{$ndr}) {
2942                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2943         }
2944
2945         foreach (@{$ndr}) {
2946                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2947                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2948                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2949         }
2950
2951         return ($self->{res_hdr}, $self->{res});
2952 }
2953
2954 sub NeededElement($$$)
2955 {
2956         my ($e, $dir, $needed) = @_;
2957
2958         return if ($e->{TYPE} eq "EMPTY");
2959
2960         return if (ref($e->{TYPE}) eq "HASH" and
2961                        not defined($e->{TYPE}->{NAME}));
2962
2963         my ($t, $rt);
2964         if (ref($e->{TYPE}) eq "HASH") {
2965                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2966         } else {
2967                 $t = $e->{TYPE};
2968         }
2969
2970         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2971                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2972         } else {
2973                 $rt = $e->{REPRESENTATION_TYPE};
2974         }
2975
2976         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2977
2978         my @fn = ();
2979         if ($dir eq "print") {
2980                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2981         } elsif ($dir eq "pull") {
2982                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2983                 push (@fn, "ndr_$t\_to_$rt")
2984                         if ($rt ne $t);
2985         } elsif ($dir eq "push") {
2986                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
2987                 push (@fn, "ndr_$rt\_to_$t")
2988                         if ($rt ne $t);
2989         } else {
2990                 die("invalid direction `$dir'");
2991         }
2992
2993         foreach (@fn) {
2994                 unless (defined($needed->{$_})) {
2995                         $needed->{$_} = 1;
2996                 }
2997         }
2998 }
2999
3000 sub NeededFunction($$)
3001 {
3002         my ($fn,$needed) = @_;
3003         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3004         $needed->{"ndr_push_$fn->{NAME}"} = 1;
3005         $needed->{"ndr_print_$fn->{NAME}"} = 1;
3006         foreach my $e (@{$fn->{ELEMENTS}}) {
3007                 $e->{PARENT} = $fn;
3008                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3009         }
3010 }
3011
3012 sub NeededType($$$)
3013 {
3014         sub NeededType($$$);
3015         my ($t,$needed,$req) = @_;
3016
3017         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3018         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3019
3020         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3021                 return unless defined($t->{ELEMENTS});
3022                 for my $e (@{$t->{ELEMENTS}}) {
3023                         $e->{PARENT} = $t;
3024                         if (has_property($e, "compression")) {
3025                                 $needed->{"compression"} = 1;
3026                         }
3027                         NeededElement($e, $req, $needed);
3028                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3029                 }
3030         }
3031 }
3032
3033 #####################################################################
3034 # work out what parse functions are needed
3035 sub NeededInterface($$)
3036 {
3037         my ($interface,$needed) = @_;
3038         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3039         foreach (reverse @{$interface->{TYPES}}) {
3040
3041                 if (has_property($_, "public")) {
3042                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3043                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3044                 }
3045
3046                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3047                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3048                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3049                 if (has_property($_, "gensize")) {
3050                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3051                 }
3052         }
3053 }
3054
3055 sub TypeFunctionName($$)
3056 {
3057         my ($prefix, $t) = @_;
3058
3059         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3060                         $t->{TYPE} eq "TYPEDEF");
3061         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3062         return "$prefix\_$t";
3063 }
3064
3065 1;