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($$$)
 176 {
 177         my ($self, $e, $ndr) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201                 if (defined($l->{SIZE_IS})) {
 202                         $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 }
 204                 if (defined($l->{LENGTH_IS})) {
 205                         $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 206                 }
 207         } else {
 208                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 209                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 210         }
 211
 212         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 213                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
 214         }
 215
 216         if ($l->{IS_VARYING}) {
 217                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
 218                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
 219         }
 220
 221         return $length;
 222 }
 223
 224 sub check_fully_dereferenced($$)
 225 {
 226         my ($element, $env) = @_;
 227
 228         return sub ($) {
 229                 my $origvar = shift;
 230                 my $check = 0;
 231
 232                 # Figure out the number of pointers in $ptr
 233                 my $expandedvar = $origvar;
 234                 $expandedvar =~ s/^(\**)//;
 235                 my $ptr = $1;
 236
 237                 my $var = undef;
 238                 foreach (keys %$env) {
 239                         if ($env->{$_} eq $expandedvar) {
 240                                 $var = $_;
 241                                 last;
 242                         }
 243                 }
 244
 245                 return($origvar) unless (defined($var));
 246                 my $e;
 247                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 248                         if ($_->{NAME} eq $var) {
 249                                 $e = $_;
 250                                 last;
 251                         }
 252                 }
 253
 254                 $e or die("Environment doesn't match siblings");
 255
 256                 # See if pointer at pointer level $level
 257                 # needs to be checked.
 258                 my $nump = 0;
 259                 foreach (@{$e->{LEVELS}}) {
 260                         if ($_->{TYPE} eq "POINTER") {
 261                                 $nump = $_->{POINTER_INDEX}+1;
 262                         }
 263                 }
 264                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 265                 return ($origvar);
 266         }
 267 }
 268
 269 sub check_null_pointer($$$$)
 270 {
 271         my ($element, $env, $print_fn, $return) = @_;
 272
 273         return sub ($) {
 274                 my $expandedvar = shift;
 275                 my $check = 0;
 276
 277                 # Figure out the number of pointers in $ptr
 278                 $expandedvar =~ s/^(\**)//;
 279                 my $ptr = $1;
 280
 281                 my $var = undef;
 282                 foreach (keys %$env) {
 283                         if ($env->{$_} eq $expandedvar) {
 284                                 $var = $_;
 285                                 last;
 286                         }
 287                 }
 288
 289                 if (defined($var)) {
 290                         my $e;
 291                         # lookup ptr in $e
 292                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 293                                 if ($_->{NAME} eq $var) {
 294                                         $e = $_;
 295                                         last;
 296                                 }
 297                         }
 298
 299                         $e or die("Environment doesn't match siblings");
 300
 301                         # See if pointer at pointer level $level
 302                         # needs to be checked.
 303                         foreach my $l (@{$e->{LEVELS}}) {
 304                                 if ($l->{TYPE} eq "POINTER" and
 305                                         $l->{POINTER_INDEX} == length($ptr)) {
 306                                         # No need to check ref pointers
 307                                         $check = ($l->{POINTER_TYPE} ne "ref");
 308                                         last;
 309                                 }
 310
 311                                 if ($l->{TYPE} eq "DATA") {
 312                                         warning($element, "too much dereferences for `$var'");
 313                                 }
 314                         }
 315                 } else {
 316                         warning($element, "unknown dereferenced expression `$expandedvar'");
 317                         $check = 1;
 318                 }
 319
 320                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 321         }
 322 }
 323
 324 sub ParseArrayPullGetSize($$$$$$)
 325 {
 326         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 327
 328         my $size;
 329
 330         if ($l->{IS_CONFORMANT}) {
 331                 $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 332         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 333                 $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 334         } else {
 335                 $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 336                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 337                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 338                         check_fully_dereferenced($e, $env));
 339         }
 340
 341         my $array_size = $size;
 342
 343         return $array_size;
 344 }
 345
 346 #####################################################################
 347 # parse an array - pull side
 348 sub ParseArrayPullGetLength($$$$$$;$)
 349 {
 350         my ($self,$e,$l,$ndr,$var_name,$env,$array_size) = @_;
 351
 352         if (not defined($array_size)) {
 353                 $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 354         }
 355
 356         my $array_length = $array_size;
 357         if ($l->{IS_VARYING}) {
 358                 my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 359                 $array_length = $length;
 360         }
 361
 362         return $array_length;
 363 }
 364
 365 #####################################################################
 366 # parse an array - pull side
 367 sub ParseArrayPullHeader($$$$$$)
 368 {
 369         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 370
 371         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 372                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 373         }
 374
 375         if ($l->{IS_VARYING}) {
 376                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 377         }
 378
 379         my $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 380         my $array_length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env, $array_size);
 381
 382         if ($array_length ne $array_size) {
 383                 $self->pidl("if ($array_length > $array_size) {");
 384                 $self->indent;
 385                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $array_size, $array_length);");
 386                 $self->deindent;
 387                 $self->pidl("}");
 388         }
 389
 390         if ($l->{IS_CONFORMANT} and (defined($l->{SIZE_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 391                 $self->defer("if ($var_name) {");
 392                 $self->defer_indent;
 393                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 394                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 395                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 396                         check_fully_dereferenced($e, $env));
 397                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 398                 $self->defer_deindent;
 399                 $self->defer("}");
 400         }
 401
 402         if ($l->{IS_VARYING} and (defined($l->{LENGTH_IS}) or not $l->{IS_ZERO_TERMINATED})) {
 403                 $self->defer("if ($var_name) {");
 404                 $self->defer_indent;
 405                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 406                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 407                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 408                         check_fully_dereferenced($e, $env));
 409                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 410                 $self->defer_deindent;
 411                 $self->defer("}");
 412         }
 413
 414         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 415                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$array_size);
 416         }
 417
 418         return $array_length;
 419 }
 420
 421 sub compression_alg($$)
 422 {
 423         my ($e, $l) = @_;
 424         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 425
 426         return $alg;
 427 }
 428
 429 sub compression_clen($$$)
 430 {
 431         my ($e, $l, $env) = @_;
 432         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 433
 434         return ParseExpr($clen, $env, $e->{ORIGINAL});
 435 }
 436
 437 sub compression_dlen($$$)
 438 {
 439         my ($e,$l,$env) = @_;
 440         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 441
 442         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 443 }
 444
 445 sub ParseCompressionPushStart($$$$$)
 446 {
 447         my ($self,$e,$l,$ndr,$env) = @_;
 448         my $comndr = "$ndr\_compressed";
 449         my $alg = compression_alg($e, $l);
 450         my $dlen = compression_dlen($e, $l, $env);
 451
 452         $self->pidl("{");
 453         $self->indent;
 454         $self->pidl("struct ndr_push *$comndr;");
 455         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 456
 457         return $comndr;
 458 }
 459
 460 sub ParseCompressionPushEnd($$$$$)
 461 {
 462         my ($self,$e,$l,$ndr,$env) = @_;
 463         my $comndr = "$ndr\_compressed";
 464         my $alg = compression_alg($e, $l);
 465         my $dlen = compression_dlen($e, $l, $env);
 466
 467         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 468         $self->deindent;
 469         $self->pidl("}");
 470 }
 471
 472 sub ParseCompressionPullStart($$$$$)
 473 {
 474         my ($self,$e,$l,$ndr,$env) = @_;
 475         my $comndr = "$ndr\_compressed";
 476         my $alg = compression_alg($e, $l);
 477         my $dlen = compression_dlen($e, $l, $env);
 478
 479         $self->pidl("{");
 480         $self->indent;
 481         $self->pidl("struct ndr_pull *$comndr;");
 482         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 483
 484         return $comndr;
 485 }
 486
 487 sub ParseCompressionPullEnd($$$$$)
 488 {
 489         my ($self,$e,$l,$ndr,$env) = @_;
 490         my $comndr = "$ndr\_compressed";
 491         my $alg = compression_alg($e, $l);
 492         my $dlen = compression_dlen($e, $l, $env);
 493
 494         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 495         $self->deindent;
 496         $self->pidl("}");
 497 }
 498
 499 sub ParseSubcontextPushStart($$$$$)
 500 {
 501         my ($self,$e,$l,$ndr,$env) = @_;
 502         my $subndr = "_ndr_$e->{NAME}";
 503         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 504
 505         $self->pidl("{");
 506         $self->indent;
 507         $self->pidl("struct ndr_push *$subndr;");
 508         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 509
 510         if (defined $l->{COMPRESSION}) {
 511                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 512         }
 513
 514         return $subndr;
 515 }
 516
 517 sub ParseSubcontextPushEnd($$$$$)
 518 {
 519         my ($self,$e,$l,$ndr,$env) = @_;
 520         my $subndr = "_ndr_$e->{NAME}";
 521         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 522
 523         if (defined $l->{COMPRESSION}) {
 524                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 525         }
 526
 527         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 528         $self->deindent;
 529         $self->pidl("}");
 530 }
 531
 532 sub ParseSubcontextPullStart($$$$$)
 533 {
 534         my ($self,$e,$l,$ndr,$env) = @_;
 535         my $subndr = "_ndr_$e->{NAME}";
 536         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 537
 538         $self->pidl("{");
 539         $self->indent;
 540         $self->pidl("struct ndr_pull *$subndr;");
 541         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 542
 543         if (defined $l->{COMPRESSION}) {
 544                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 545         }
 546
 547         return $subndr;
 548 }
 549
 550 sub ParseSubcontextPullEnd($$$$$)
 551 {
 552         my ($self,$e,$l,$ndr,$env) = @_;
 553         my $subndr = "_ndr_$e->{NAME}";
 554         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 555
 556         if (defined $l->{COMPRESSION}) {
 557                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 558         }
 559
 560         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 561         $self->deindent;
 562         $self->pidl("}");
 563 }
 564
 565 sub ParseElementPushLevel
 566 {
 567         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 568
 569         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 570
 571         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 572                 $var_name = get_pointer_to($var_name);
 573         }
 574
 575         if (defined($ndr_flags)) {
 576                 if ($l->{TYPE} eq "SUBCONTEXT") {
 577                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 578                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 579                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 580                 } elsif ($l->{TYPE} eq "POINTER") {
 581                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 582                 } elsif ($l->{TYPE} eq "ARRAY") {
 583                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 584
 585                         my $nl = GetNextLevel($e, $l);
 586
 587                         # Allow speedups for arrays of scalar types
 588                         if (is_charset_array($e,$l)) {
 589                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 590                                 return;
 591                         } elsif (has_fast_array($e,$l)) {
 592                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 593                                 return;
 594                         }
 595                 } elsif ($l->{TYPE} eq "SWITCH") {
 596                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 597                 } elsif ($l->{TYPE} eq "DATA") {
 598                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 599                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 600                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 601                 }
 602         }
 603
 604         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
 605                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 606         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
 607                 my $rel_var_name = $var_name;
 608                 if ($l->{POINTER_TYPE} ne "ref") {
 609                         $self->pidl("if ($var_name) {");
 610                         $self->indent;
 611                         if ($l->{POINTER_TYPE} eq "relative") {
 612                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 613                         }
 614                         if ($l->{POINTER_TYPE} eq "relative_short") {
 615                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 616                         }
 617                 }
 618                 $var_name = get_value_of($var_name);
 619                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 620
 621                 if ($l->{POINTER_TYPE} ne "ref") {
 622                         if ($l->{POINTER_TYPE} eq "relative") {
 623                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 624                         }
 625                         $self->deindent;
 626                         $self->pidl("}");
 627                 }
 628         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 629                 not is_charset_array($e, $l)) {
 630                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 631                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 632
 633                 my $array_pointless = ($length eq "0");
 634
 635                 if ($array_pointless) {
 636                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 637                 }
 638
 639                 $var_name = get_array_element($var_name, $counter);
 640
 641                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 642                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 643                         $self->indent;
 644                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 645                         $self->deindent;
 646                         $self->pidl("}");
 647                 }
 648
 649                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 650                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 651                         $self->indent;
 652                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 653                         $self->deindent;
 654                         $self->pidl("}");
 655                 }
 656         } elsif ($l->{TYPE} eq "SWITCH") {
 657                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 658         }
 659 }
 660
 661 #####################################################################
 662 # parse scalars in a structure element
 663 sub ParseElementPush($$$$$$)
 664 {
 665         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 666         my $subndr = undef;
 667
 668         my $var_name = $env->{$e->{NAME}};
 669
 670         return if ContainsPipe($e, $e->{LEVELS}[0]);
 671
 672         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 673
 674         # Representation type is different from transmit_as
 675         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 676                 $self->pidl("{");
 677                 $self->indent;
 678                 my $transmit_name = "_transmit_$e->{NAME}";
 679                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 680                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 681                 $var_name = $transmit_name;
 682         }
 683
 684         $var_name = append_prefix($e, $var_name);
 685
 686         $self->start_flags($e, $ndr);
 687
 688         if (defined(my $value = has_property($e, "value"))) {
 689                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 690         }
 691
 692         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 693
 694         $self->end_flags($e, $ndr);
 695
 696         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 697                 $self->deindent;
 698                 $self->pidl("}");
 699         }
 700 }
 701
 702 #####################################################################
 703 # parse a pointer in a struct element or function
 704 sub ParsePtrPush($$$$$)
 705 {
 706         my ($self,$e,$l,$ndr,$var_name) = @_;
 707
 708         if ($l->{POINTER_TYPE} eq "ref") {
 709                 $self->pidl("if ($var_name == NULL) {");
 710                 $self->indent;
 711                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 712                 $self->deindent;
 713                 $self->pidl("}");
 714                 if ($l->{LEVEL} eq "EMBEDDED") {
 715                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 716                 }
 717         } elsif ($l->{POINTER_TYPE} eq "relative") {
 718                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 719         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 720                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 721         } elsif ($l->{POINTER_TYPE} eq "unique") {
 722                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 723         } elsif ($l->{POINTER_TYPE} eq "full") {
 724                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 725         } elsif ($l->{POINTER_TYPE} eq "ignore") {
 726                 # We don't want this pointer to appear on the wire at all
 727                 $self->pidl("NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, 0));");
 728         } else {
 729                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 730         }
 731 }
 732
 733 sub need_pointer_to($$$)
 734 {
 735         my ($e, $l, $scalar_only) = @_;
 736
 737         my $t;
 738         if (ref($l->{DATA_TYPE})) {
 739                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 740         } else {
 741                 $t = $l->{DATA_TYPE};
 742         }
 743
 744         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 745                 return 1 if $scalar_only;
 746         }
 747
 748         my $arrays = 0;
 749
 750         foreach my $tl (@{$e->{LEVELS}}) {
 751                 last if $l == $tl;
 752                 if ($tl->{TYPE} eq "ARRAY") {
 753                         $arrays++;
 754                 }
 755         }
 756
 757         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 758                 return 1 unless $arrays;
 759         }
 760
 761         return 0;
 762 }
 763
 764 sub ParseDataPrint($$$$$)
 765 {
 766         my ($self, $e, $l, $ndr, $var_name) = @_;
 767
 768         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 769
 770                 if (need_pointer_to($e, $l, 1)) {
 771                         $var_name = get_pointer_to($var_name);
 772                 }
 773
 774                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 775         } else {
 776                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 777         }
 778 }
 779
 780 #####################################################################
 781 # print scalars in a structure element
 782 sub ParseElementPrint($$$$$)
 783 {
 784         my($self, $e, $ndr, $var_name, $env) = @_;
 785
 786         return if (has_property($e, "noprint"));
 787         my $cur_depth = 0;
 788         my $ignore_depth = 0xFFFF;
 789
 790         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 791                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 792                 return;
 793         }
 794
 795         $var_name = append_prefix($e, $var_name);
 796
 797         if (defined(my $value = has_property($e, "value"))) {
 798                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 799         }
 800
 801         foreach my $l (@{$e->{LEVELS}}) {
 802                 $cur_depth += 1;
 803
 804                 if ($cur_depth > $ignore_depth) {
 805                         next;
 806                 }
 807
 808                 if ($l->{TYPE} eq "POINTER") {
 809                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 810                         if ($l->{POINTER_TYPE} eq "ignore") {
 811                                 $self->pidl("/* [ignore] '$e->{NAME}' */");
 812                                 $ignore_depth = $cur_depth;
 813                                 last;
 814                         }
 815                         $self->pidl("$ndr->depth++;");
 816                         if ($l->{POINTER_TYPE} ne "ref") {
 817                                 $self->pidl("if ($var_name) {");
 818                                 $self->indent;
 819                         }
 820                         $var_name = get_value_of($var_name);
 821                 } elsif ($l->{TYPE} eq "ARRAY") {
 822                         my $length;
 823
 824                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 825                                 $var_name = get_pointer_to($var_name);
 826                         }
 827
 828                         if ($l->{IS_ZERO_TERMINATED} and not defined($l->{LENGTH_IS})) {
 829                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 830                         } else {
 831                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 832                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 833                         }
 834
 835                         if (is_charset_array($e,$l)) {
 836                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 837                                 last;
 838                         } elsif (has_fast_array($e, $l)) {
 839                                 my $nl = GetNextLevel($e, $l);
 840                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 841                                 last;
 842                         } else {
 843                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 844
 845                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 846                                 $self->pidl("$ndr->depth++;");
 847                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 848                                 $self->indent;
 849
 850                                 $var_name = get_array_element($var_name, $counter);
 851                         }
 852                 } elsif ($l->{TYPE} eq "DATA") {
 853                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 854                 } elsif ($l->{TYPE} eq "SWITCH") {
 855                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 856                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 857                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 858                 }
 859         }
 860
 861         foreach my $l (reverse @{$e->{LEVELS}}) {
 862                 $cur_depth -= 1;
 863
 864                 if ($cur_depth > $ignore_depth) {
 865                         next;
 866                 }
 867
 868                 if ($l->{TYPE} eq "POINTER") {
 869                         if ($l->{POINTER_TYPE} eq "ignore") {
 870                                 next;
 871                         }
 872
 873                         if ($l->{POINTER_TYPE} ne "ref") {
 874                                 $self->deindent;
 875                                 $self->pidl("}");
 876                         }
 877                         $self->pidl("$ndr->depth--;");
 878                 } elsif (($l->{TYPE} eq "ARRAY")
 879                         and not is_charset_array($e,$l)
 880                         and not has_fast_array($e,$l)) {
 881                         $self->deindent;
 882                         $self->pidl("}");
 883                         $self->pidl("$ndr->depth--;");
 884                 }
 885         }
 886 }
 887
 888 #####################################################################
 889 # parse scalars in a structure element - pull size
 890 sub ParseSwitchPull($$$$$$)
 891 {
 892         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 893         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 894                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 895                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 896                 check_fully_dereferenced($e, $env));
 897
 898         $var_name = get_pointer_to($var_name);
 899         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 900 }
 901
 902 #####################################################################
 903 # push switch element
 904 sub ParseSwitchPush($$$$$$)
 905 {
 906         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 907         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 908                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 909                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 910                 check_fully_dereferenced($e, $env));
 911
 912         $var_name = get_pointer_to($var_name);
 913         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 914 }
 915
 916 sub ParseDataPull($$$$$$$)
 917 {
 918         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 919
 920         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 921
 922                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 923
 924                 if (need_pointer_to($e, $l, 0)) {
 925                         $var_name = get_pointer_to($var_name);
 926                 }
 927
 928                 $var_name = get_pointer_to($var_name);
 929
 930                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 931
 932                 my $pl = GetPrevLevel($e, $l);
 933
 934                 my $range = has_property($e, "range");
 935                 if ($range and $pl->{TYPE} ne "ARRAY") {
 936                         $var_name = get_value_of($var_name);
 937                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 938                         my ($low, $high) = split(/,/, $range, 2);
 939                         if ($low < 0 and not $signed) {
 940                                 warning(0, "$low is invalid for the range of an unsigned type");
 941                         }
 942                         if ($low == 0 and not $signed) {
 943                                 $self->pidl("if ($var_name > $high) {");
 944                         } else {
 945                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 946                         }
 947                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 948                         $self->pidl("}");
 949                 }
 950         } else {
 951                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 952         }
 953 }
 954
 955 sub ParseDataPush($$$$$$$)
 956 {
 957         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 958
 959         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 960
 961                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 962
 963                 # strings are passed by value rather than reference
 964                 if (need_pointer_to($e, $l, 1)) {
 965                         $var_name = get_pointer_to($var_name);
 966                 }
 967
 968                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 969         } else {
 970                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 971         }
 972 }
 973
 974 sub CalcNdrFlags($$$)
 975 {
 976         my ($l,$primitives,$deferred) = @_;
 977
 978         my $scalars = 0;
 979         my $buffers = 0;
 980
 981         # Add NDR_SCALARS if this one is deferred
 982         # and deferreds may be pushed
 983         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 984
 985         # Add NDR_SCALARS if this one is not deferred and
 986         # primitives may be pushed
 987         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 988
 989         # Add NDR_BUFFERS if this one contains deferred stuff
 990         # and deferreds may be pushed
 991         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 992
 993         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 994         return "NDR_SCALARS" if ($scalars);
 995         return "NDR_BUFFERS" if ($buffers);
 996         return undef;
 997 }
 998
 999 sub ParseMemCtxPullFlags($$$$)
1000 {
1001         my ($self, $e, $l) = @_;
1002
1003         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1004         return undef if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore"));
1005
1006         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1007         return undef if has_fast_array($e, $l);
1008         return undef if is_charset_array($e, $l);
1009
1010         my $mem_flags = "0";
1011
1012         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1013                 my $nl = GetNextLevel($e, $l);
1014                 return undef if ($nl->{TYPE} eq "PIPE");
1015                 return undef if ($nl->{TYPE} eq "ARRAY");
1016                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1017
1018                 if ($l->{LEVEL} eq "TOP") {
1019                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1020                 }
1021         }
1022
1023         return $mem_flags;
1024 }
1025
1026 sub ParseMemCtxPullStart($$$$$)
1027 {
1028         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1029
1030         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1031         my $mem_c_ctx = $ptr_name;
1032         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1033
1034         return unless defined($mem_c_flags);
1035
1036         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1037         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1038 }
1039
1040 sub ParseMemCtxPullEnd($$$$)
1041 {
1042         my ($self, $e, $l, $ndr) = @_;
1043
1044         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1045         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1046
1047         return unless defined($mem_r_flags);
1048
1049         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1050 }
1051
1052 sub CheckStringTerminator($$$$$)
1053 {
1054         my ($self,$ndr,$e,$l,$length) = @_;
1055         my $nl = GetNextLevel($e, $l);
1056
1057         # Make sure last element is zero!
1058         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1059 }
1060
1061 sub ParseElementPullLevel
1062 {
1063         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1064
1065         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1066
1067         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1068                 $var_name = get_pointer_to($var_name);
1069         }
1070
1071         # Only pull something if there's actually something to be pulled
1072         if (defined($ndr_flags)) {
1073                 if ($l->{TYPE} eq "SUBCONTEXT") {
1074                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1075                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1076                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1077                 } elsif ($l->{TYPE} eq "ARRAY") {
1078                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1079
1080                         if (my $range = has_property($e, "range")) {
1081                                 my ($low, $high) = split(/,/, $range, 2);
1082                                 if ($low < 0) {
1083                                         warning(0, "$low is invalid for the range of an array size");
1084                                 }
1085                                 if ($low == 0) {
1086                                         $self->pidl("if ($length > $high) {");
1087                                 } else {
1088                                         $self->pidl("if ($length < $low || $length > $high) {");
1089                                 }
1090                                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1091                                 $self->pidl("}");
1092                         }
1093
1094                         my $nl = GetNextLevel($e, $l);
1095
1096                         if (is_charset_array($e,$l)) {
1097                                 if ($l->{IS_ZERO_TERMINATED}) {
1098                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1099                                 }
1100                                 if ($l->{IS_TO_NULL}) {
1101                                         $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}));");
1102                                 } else {
1103                                         $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}));");
1104                                 }
1105                                 return;
1106                         } elsif (has_fast_array($e, $l)) {
1107                                 if ($l->{IS_ZERO_TERMINATED}) {
1108                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1109                                 }
1110                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1111                                 return;
1112                         }
1113                 } elsif ($l->{TYPE} eq "POINTER") {
1114                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1115                 } elsif ($l->{TYPE} eq "SWITCH") {
1116                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1117                 } elsif ($l->{TYPE} eq "DATA") {
1118                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1119                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1120                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1121                 }
1122         }
1123
1124         # add additional constructions
1125         if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
1126                 $self->pidl("/* [ignore] '$e->{NAME}' */");
1127         } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
1128                 if ($l->{POINTER_TYPE} ne "ref") {
1129                         $self->pidl("if ($var_name) {");
1130                         $self->indent;
1131
1132                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1133                                 $self->pidl("uint32_t _relative_save_offset;");
1134                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1135                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1136                         }
1137                 }
1138
1139                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1140
1141                 $var_name = get_value_of($var_name);
1142                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1143
1144                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1145
1146                 if ($l->{POINTER_TYPE} ne "ref") {
1147                         if ($l->{POINTER_TYPE} eq "relative") {
1148                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1149                                 $self->indent;
1150                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1151                                 $self->deindent;
1152                                 $self->pidl("}");
1153                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1154                         }
1155                         $self->deindent;
1156                         $self->pidl("}");
1157                 }
1158         } elsif ($l->{TYPE} eq "ARRAY" and
1159                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1160                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1161                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1162                 my $array_name = $var_name;
1163
1164                 if ($l->{IS_VARYING}) {
1165                         $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
1166                 }
1167
1168                 if (my $range = has_property($e, "range")) {
1169                         my ($low, $high) = split(/,/, $range, 2);
1170                         if ($low < 0) {
1171                                 warning(0, "$low is invalid for the range of an array size");
1172                         }
1173                         if ($low == 0) {
1174                                 $self->pidl("if ($length > $high) {");
1175                         } else {
1176                                 $self->pidl("if ($length < $low || $length > $high) {");
1177                         }
1178                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1179                         $self->pidl("}");
1180                 }
1181
1182                 $var_name = get_array_element($var_name, $counter);
1183
1184                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1185
1186                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1187                         my $nl = GetNextLevel($e,$l);
1188
1189                         if ($l->{IS_ZERO_TERMINATED}) {
1190                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1191                         }
1192
1193                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1194                         $self->indent;
1195                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1196                         $self->deindent;
1197                         $self->pidl("}");
1198                 }
1199
1200                 if ($deferred and ContainsDeferred($e, $l)) {
1201                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1202                         $self->indent;
1203                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1204                         $self->deindent;
1205                         $self->pidl("}");
1206                 }
1207
1208                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1209
1210         } elsif ($l->{TYPE} eq "SWITCH") {
1211                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1212         }
1213 }
1214
1215 #####################################################################
1216 # parse scalars in a structure element - pull size
1217 sub ParseElementPull($$$$$$)
1218 {
1219         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1220
1221         my $var_name = $env->{$e->{NAME}};
1222         my $represent_name;
1223         my $transmit_name;
1224
1225         return if ContainsPipe($e, $e->{LEVELS}[0]);
1226
1227         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1228
1229         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1230                 $self->pidl("{");
1231                 $self->indent;
1232                 $represent_name = $var_name;
1233                 $transmit_name = "_transmit_$e->{NAME}";
1234                 $var_name = $transmit_name;
1235                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1236         }
1237
1238         $var_name = append_prefix($e, $var_name);
1239
1240         $self->start_flags($e, $ndr);
1241
1242         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1243
1244         $self->end_flags($e, $ndr);
1245
1246         # Representation type is different from transmit_as
1247         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1248                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1249                 $self->deindent;
1250                 $self->pidl("}");
1251         }
1252 }
1253
1254 #####################################################################
1255 # parse a pointer in a struct element or function
1256 sub ParsePtrPull($$$$$)
1257 {
1258         my($self, $e,$l,$ndr,$var_name) = @_;
1259
1260         my $nl = GetNextLevel($e, $l);
1261         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1262         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1263                                                  ($nl->{DATA_TYPE} eq "string"));
1264
1265         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1266
1267                 if (!$next_is_array and !$next_is_string) {
1268                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1269                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1270                         $self->pidl("}");
1271                 }
1272
1273                 return;
1274         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1275                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1276         } elsif (($l->{POINTER_TYPE} eq "unique") or
1277                  ($l->{POINTER_TYPE} eq "relative") or
1278                  ($l->{POINTER_TYPE} eq "full")) {
1279                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1280         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1281                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1282         } elsif ($l->{POINTER_TYPE} eq "ignore") {
1283                 #We want to consume the pointer bytes, but ignore the pointer value
1284                 $self->pidl("NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &_ptr_$e->{NAME}));");
1285                 $self->pidl("_ptr_$e->{NAME} = 0;");
1286         } else {
1287                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1288         }
1289
1290         $self->pidl("if (_ptr_$e->{NAME}) {");
1291         $self->indent;
1292
1293         if ($l->{POINTER_TYPE} eq "ignore") {
1294                 # Don't do anything, we don't want to do the
1295                 # allocation, as we forced it to NULL just above, and
1296                 # we may not know the declared type anyway.
1297         } else {
1298                 # Don't do this for arrays, they're allocated at the actual level
1299                 # of the array
1300                 unless ($next_is_array or $next_is_string) {
1301                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1302                 } else {
1303                        # FIXME: Yes, this is nasty.
1304                        # We allocate an array twice
1305                        # - once just to indicate that it's there,
1306                        # - then the real allocation...
1307                        $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1308                 }
1309         }
1310
1311         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1312         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1313                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1314         }
1315         $self->deindent;
1316         $self->pidl("} else {");
1317         $self->pidl("\t$var_name = NULL;");
1318         $self->pidl("}");
1319 }
1320
1321 sub ParseStructPushPrimitives($$$$$)
1322 {
1323         my ($self, $struct, $ndr, $varname, $env) = @_;
1324
1325         # see if the structure contains a conformant array. If it
1326         # does, then it must be the last element of the structure, and
1327         # we need to push the conformant length early, as it fits on
1328         # the wire before the structure (and even before the structure
1329         # alignment)
1330         if (defined($struct->{SURROUNDING_ELEMENT})) {
1331                 my $e = $struct->{SURROUNDING_ELEMENT};
1332
1333                 if (defined($e->{LEVELS}[0]) and
1334                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1335                         my $size;
1336
1337                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1338                                 if (has_property($e, "charset")) {
1339                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1340                                 } else {
1341                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1342                                 }
1343                                 if (defined($e->{LEVELS}[0]->{SIZE_IS})) {
1344                                         $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1345                                 }
1346                         } else {
1347                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1348                         }
1349
1350                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1351                 } else {
1352                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1353                 }
1354         }
1355
1356         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1357
1358         if (defined($struct->{PROPERTIES}{relative_base})) {
1359                 # set the current offset as base for relative pointers
1360                 # and store it based on the toplevel struct/union
1361                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1362         }
1363
1364         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1365
1366         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1367 }
1368
1369 sub ParseStructPushDeferred($$$$)
1370 {
1371         my ($self, $struct, $ndr, $varname, $env) = @_;
1372         if (defined($struct->{PROPERTIES}{relative_base})) {
1373                 # retrieve the current offset as base for relative pointers
1374                 # based on the toplevel struct/union
1375                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1376         }
1377         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1378 }
1379
1380 #####################################################################
1381 # parse a struct
1382 sub ParseStructPush($$$$)
1383 {
1384         my ($self, $struct, $ndr, $varname) = @_;
1385
1386         return unless defined($struct->{ELEMENTS});
1387
1388         my $env = GenerateStructEnv($struct, $varname);
1389
1390         EnvSubstituteValue($env, $struct);
1391
1392         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1393
1394         $self->start_flags($struct, $ndr);
1395
1396         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1397         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1398         $self->indent;
1399         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1400         $self->deindent;
1401         $self->pidl("}");
1402
1403         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1404         $self->indent;
1405         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1406         $self->deindent;
1407         $self->pidl("}");
1408
1409         $self->end_flags($struct, $ndr);
1410 }
1411
1412 #####################################################################
1413 # generate a push function for an enum
1414 sub ParseEnumPush($$$$)
1415 {
1416         my($self,$enum,$ndr,$varname) = @_;
1417         my($type_fn) = $enum->{BASE_TYPE};
1418
1419         $self->start_flags($enum, $ndr);
1420         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1421         $self->end_flags($enum, $ndr);
1422 }
1423
1424 #####################################################################
1425 # generate a pull function for an enum
1426 sub ParseEnumPull($$$$)
1427 {
1428         my($self,$enum,$ndr,$varname) = @_;
1429         my($type_fn) = $enum->{BASE_TYPE};
1430         my($type_v_decl) = mapTypeName($type_fn);
1431
1432         $self->pidl("$type_v_decl v;");
1433         $self->start_flags($enum, $ndr);
1434         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1435         $self->pidl("*$varname = v;");
1436
1437         $self->end_flags($enum, $ndr);
1438 }
1439
1440 #####################################################################
1441 # generate a print function for an enum
1442 sub ParseEnumPrint($$$$$)
1443 {
1444         my($self,$enum,$ndr,$name,$varname) = @_;
1445
1446         $self->pidl("const char *val = NULL;");
1447         $self->pidl("");
1448
1449         $self->start_flags($enum, $ndr);
1450
1451         $self->pidl("switch ($varname) {");
1452         $self->indent;
1453         my $els = \@{$enum->{ELEMENTS}};
1454         foreach my $i (0 .. $#{$els}) {
1455                 my $e = ${$els}[$i];
1456                 chomp $e;
1457                 if ($e =~ /^(.*)=/) {
1458                         $e = $1;
1459                 }
1460                 $self->pidl("case $e: val = \"$e\"; break;");
1461         }
1462
1463         $self->deindent;
1464         $self->pidl("}");
1465
1466         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1467
1468         $self->end_flags($enum, $ndr);
1469 }
1470
1471 sub DeclEnum($$$$)
1472 {
1473         my ($e,$t,$name,$varname) = @_;
1474         return "enum $name " .
1475                 ($t eq "pull"?"*":"") . $varname;
1476 }
1477
1478 $typefamily{ENUM} = {
1479         DECL => \&DeclEnum,
1480         PUSH_FN_BODY => \&ParseEnumPush,
1481         PULL_FN_BODY => \&ParseEnumPull,
1482         PRINT_FN_BODY => \&ParseEnumPrint,
1483 };
1484
1485 #####################################################################
1486 # generate a push function for a bitmap
1487 sub ParseBitmapPush($$$$)
1488 {
1489         my($self,$bitmap,$ndr,$varname) = @_;
1490         my($type_fn) = $bitmap->{BASE_TYPE};
1491
1492         $self->start_flags($bitmap, $ndr);
1493
1494         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1495
1496         $self->end_flags($bitmap, $ndr);
1497 }
1498
1499 #####################################################################
1500 # generate a pull function for an bitmap
1501 sub ParseBitmapPull($$$$)
1502 {
1503         my($self,$bitmap,$ndr,$varname) = @_;
1504         my $type_fn = $bitmap->{BASE_TYPE};
1505         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1506
1507         $self->pidl("$type_decl v;");
1508         $self->start_flags($bitmap, $ndr);
1509         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1510         $self->pidl("*$varname = v;");
1511
1512         $self->end_flags($bitmap, $ndr);
1513 }
1514
1515 #####################################################################
1516 # generate a print function for an bitmap
1517 sub ParseBitmapPrintElement($$$$$$)
1518 {
1519         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1520         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1521         my($type_fn) = $bitmap->{BASE_TYPE};
1522         my($flag);
1523
1524         if ($e =~ /^(\w+) .*$/) {
1525                 $flag = "$1";
1526         } else {
1527                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1528         }
1529
1530         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1531 }
1532
1533 #####################################################################
1534 # generate a print function for an bitmap
1535 sub ParseBitmapPrint($$$$$)
1536 {
1537         my($self,$bitmap,$ndr,$name,$varname) = @_;
1538         my($type_decl) = mapTypeName($bitmap->{TYPE});
1539         my($type_fn) = $bitmap->{BASE_TYPE};
1540
1541         $self->start_flags($bitmap, $ndr);
1542
1543         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1544
1545         $self->pidl("$ndr->depth++;");
1546         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1547                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1548         }
1549         $self->pidl("$ndr->depth--;");
1550
1551         $self->end_flags($bitmap, $ndr);
1552 }
1553
1554 sub DeclBitmap($$$$)
1555 {
1556         my ($e,$t,$name,$varname) = @_;
1557         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1558                 ($t eq "pull"?" *":" ") . $varname;
1559 }
1560
1561 $typefamily{BITMAP} = {
1562         DECL => \&DeclBitmap,
1563         PUSH_FN_BODY => \&ParseBitmapPush,
1564         PULL_FN_BODY => \&ParseBitmapPull,
1565         PRINT_FN_BODY => \&ParseBitmapPrint,
1566 };
1567
1568 #####################################################################
1569 # generate a struct print function
1570 sub ParseStructPrint($$$$$)
1571 {
1572         my($self,$struct,$ndr,$name,$varname) = @_;
1573
1574         return unless defined $struct->{ELEMENTS};
1575
1576         my $env = GenerateStructEnv($struct, $varname);
1577
1578         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1579
1580         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1581         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1582
1583         $self->start_flags($struct, $ndr);
1584
1585         $self->pidl("$ndr->depth++;");
1586
1587         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1588                 foreach (@{$struct->{ELEMENTS}});
1589         $self->pidl("$ndr->depth--;");
1590
1591         $self->end_flags($struct, $ndr);
1592 }
1593
1594 sub DeclarePtrVariables($$)
1595 {
1596         my ($self,$e) = @_;
1597         foreach my $l (@{$e->{LEVELS}}) {
1598                 my $size = 32;
1599                 if ($l->{TYPE} eq "POINTER" and
1600                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1601                         if ($l->{POINTER_TYPE} eq "relative_short") {
1602                                 $size = 16;
1603                         }
1604                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1605                         last;
1606                 }
1607         }
1608 }
1609
1610 sub DeclareArrayVariables($$)
1611 {
1612         my ($self,$e) = @_;
1613
1614         foreach my $l (@{$e->{LEVELS}}) {
1615                 next if ($l->{TYPE} ne "ARRAY");
1616                 next if has_fast_array($e,$l);
1617                 next if is_charset_array($e,$l);
1618                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1619         }
1620 }
1621
1622 sub DeclareArrayVariablesNoZero($$$)
1623 {
1624         my ($self,$e,$env) = @_;
1625
1626         foreach my $l (@{$e->{LEVELS}}) {
1627                 next if ($l->{TYPE} ne "ARRAY");
1628                 next if has_fast_array($e,$l);
1629                 next if is_charset_array($e,$l);
1630                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1631                 if ($length eq "0") {
1632                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1633                 } else {
1634                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1635                 }
1636         }
1637 }
1638
1639 sub DeclareMemCtxVariables($$)
1640 {
1641         my ($self,$e) = @_;
1642         foreach my $l (@{$e->{LEVELS}}) {
1643                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1644
1645                 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore")) {
1646                         last;
1647                 }
1648
1649                 if (defined($mem_flags)) {
1650                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1651                 }
1652         }
1653 }
1654
1655 sub ParseStructPullPrimitives($$$$$)
1656 {
1657         my($self,$struct,$ndr,$varname,$env) = @_;
1658
1659         if (defined $struct->{SURROUNDING_ELEMENT}) {
1660                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1661         }
1662
1663         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1664
1665         if (defined($struct->{PROPERTIES}{relative_base})) {
1666                 # set the current offset as base for relative pointers
1667                 # and store it based on the toplevel struct/union
1668                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1669         }
1670
1671         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1672
1673         $self->add_deferred();
1674
1675         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1676 }
1677
1678 sub ParseStructPullDeferred($$$$$)
1679 {
1680         my ($self,$struct,$ndr,$varname,$env) = @_;
1681
1682         if (defined($struct->{PROPERTIES}{relative_base})) {
1683                 # retrieve the current offset as base for relative pointers
1684                 # based on the toplevel struct/union
1685                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1686         }
1687         foreach my $e (@{$struct->{ELEMENTS}}) {
1688                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1689         }
1690
1691         $self->add_deferred();
1692 }
1693
1694 #####################################################################
1695 # parse a struct - pull side
1696 sub ParseStructPull($$$$)
1697 {
1698         my($self,$struct,$ndr,$varname) = @_;
1699
1700         return unless defined $struct->{ELEMENTS};
1701
1702         # declare any internal pointers we need
1703         foreach my $e (@{$struct->{ELEMENTS}}) {
1704                 $self->DeclarePtrVariables($e);
1705                 $self->DeclareArrayVariables($e);
1706                 $self->DeclareMemCtxVariables($e);
1707         }
1708
1709         $self->start_flags($struct, $ndr);
1710
1711         my $env = GenerateStructEnv($struct, $varname);
1712
1713         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
1714         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1715         $self->indent;
1716         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1717         $self->deindent;
1718         $self->pidl("}");
1719         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1720         $self->indent;
1721         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1722         $self->deindent;
1723         $self->pidl("}");
1724
1725         $self->end_flags($struct, $ndr);
1726 }
1727
1728 #####################################################################
1729 # calculate size of ndr struct
1730 sub ParseStructNdrSize($$$$)
1731 {
1732         my ($self,$t, $name, $varname) = @_;
1733         my $sizevar;
1734
1735         if (my $flags = has_property($t, "flag")) {
1736                 $self->pidl("flags |= $flags;");
1737         }
1738         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1739 }
1740
1741 sub DeclStruct($$$$)
1742 {
1743         my ($e,$t,$name,$varname) = @_;
1744         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1745 }
1746
1747 sub ArgsStructNdrSize($$$)
1748 {
1749         my ($d, $name, $varname) = @_;
1750         return "const struct $name *$varname, int flags";
1751 }
1752
1753 $typefamily{STRUCT} = {
1754         PUSH_FN_BODY => \&ParseStructPush,
1755         DECL => \&DeclStruct,
1756         PULL_FN_BODY => \&ParseStructPull,
1757         PRINT_FN_BODY => \&ParseStructPrint,
1758         SIZE_FN_BODY => \&ParseStructNdrSize,
1759         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1760 };
1761
1762 #####################################################################
1763 # calculate size of ndr struct
1764 sub ParseUnionNdrSize($$$)
1765 {
1766         my ($self, $t, $name, $varname) = @_;
1767         my $sizevar;
1768
1769         if (my $flags = has_property($t, "flag")) {
1770                 $self->pidl("flags |= $flags;");
1771         }
1772
1773         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1774 }
1775
1776 sub ParseUnionPushPrimitives($$$$)
1777 {
1778         my ($self, $e, $ndr ,$varname) = @_;
1779
1780         my $have_default = 0;
1781
1782         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1783
1784         if (defined($e->{SWITCH_TYPE})) {
1785                 if (defined($e->{ALIGN})) {
1786                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1787                 }
1788
1789                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1790         }
1791
1792         if (defined($e->{ALIGN})) {
1793                 if ($e->{IS_MS_UNION}) {
1794                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1795                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1796                 } else {
1797                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1798                 }
1799         }
1800
1801         $self->pidl("switch (level) {");
1802         $self->indent;
1803         foreach my $el (@{$e->{ELEMENTS}}) {
1804                 if ($el->{CASE} eq "default") {
1805                         $have_default = 1;
1806                 }
1807                 $self->pidl("$el->{CASE}: {");
1808
1809                 if ($el->{TYPE} ne "EMPTY") {
1810                         $self->indent;
1811                         if (defined($e->{PROPERTIES}{relative_base})) {
1812                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1813                                 # set the current offset as base for relative pointers
1814                                 # and store it based on the toplevel struct/union
1815                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1816                         }
1817                         $self->DeclareArrayVariables($el);
1818                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1819                         $self->deindent;
1820                 }
1821                 $self->pidl("break; }");
1822                 $self->pidl("");
1823         }
1824         if (! $have_default) {
1825                 $self->pidl("default:");
1826                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1827         }
1828         $self->deindent;
1829         $self->pidl("}");
1830 }
1831
1832 sub ParseUnionPushDeferred($$$$)
1833 {
1834         my ($self,$e,$ndr,$varname) = @_;
1835
1836         my $have_default = 0;
1837
1838         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1839         if (defined($e->{PROPERTIES}{relative_base})) {
1840                 # retrieve the current offset as base for relative pointers
1841                 # based on the toplevel struct/union
1842                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1843         }
1844         $self->pidl("switch (level) {");
1845         $self->indent;
1846         foreach my $el (@{$e->{ELEMENTS}}) {
1847                 if ($el->{CASE} eq "default") {
1848                         $have_default = 1;
1849                 }
1850
1851                 $self->pidl("$el->{CASE}:");
1852                 if ($el->{TYPE} ne "EMPTY") {
1853                         $self->indent;
1854                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1855                         $self->deindent;
1856                 }
1857                 $self->pidl("break;");
1858                 $self->pidl("");
1859         }
1860         if (! $have_default) {
1861                 $self->pidl("default:");
1862                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1863         }
1864         $self->deindent;
1865         $self->pidl("}");
1866 }
1867
1868 #####################################################################
1869 # parse a union - push side
1870 sub ParseUnionPush($$$$)
1871 {
1872         my ($self,$e,$ndr,$varname) = @_;
1873         my $have_default = 0;
1874
1875         $self->start_flags($e, $ndr);
1876
1877         $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1878         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1879         $self->indent;
1880         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1881         $self->deindent;
1882         $self->pidl("}");
1883         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1884         $self->indent;
1885         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1886         $self->deindent;
1887         $self->pidl("}");
1888         $self->end_flags($e, $ndr);
1889 }
1890
1891 #####################################################################
1892 # print a union
1893 sub ParseUnionPrint($$$$$)
1894 {
1895         my ($self,$e,$ndr,$name,$varname) = @_;
1896         my $have_default = 0;
1897
1898         $self->pidl("uint32_t level;");
1899         foreach my $el (@{$e->{ELEMENTS}}) {
1900                 $self->DeclareArrayVariables($el);
1901         }
1902
1903         $self->start_flags($e, $ndr);
1904
1905         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1906
1907         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1908
1909         $self->pidl("switch (level) {");
1910         $self->indent;
1911         foreach my $el (@{$e->{ELEMENTS}}) {
1912                 if ($el->{CASE} eq "default") {
1913                         $have_default = 1;
1914                 }
1915                 $self->pidl("$el->{CASE}:");
1916                 if ($el->{TYPE} ne "EMPTY") {
1917                         $self->indent;
1918                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1919                         $self->deindent;
1920                 }
1921                 $self->pidl("break;");
1922                 $self->pidl("");
1923         }
1924         if (! $have_default) {
1925                 $self->pidl("default:");
1926                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1927         }
1928         $self->deindent;
1929         $self->pidl("}");
1930
1931         $self->end_flags($e, $ndr);
1932 }
1933
1934 sub ParseUnionPullPrimitives($$$$$)
1935 {
1936         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1937         my $have_default = 0;
1938
1939
1940         if (defined($switch_type)) {
1941                 if (defined($e->{ALIGN})) {
1942                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1943                 }
1944
1945                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1946                 $self->pidl("if (_level != level) {");
1947                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1948                 $self->pidl("}");
1949         }
1950
1951         if (defined($e->{ALIGN})) {
1952                 if ($e->{IS_MS_UNION}) {
1953                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1954                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1955                 } else {
1956                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1957                 }
1958         }
1959
1960         $self->pidl("switch (level) {");
1961         $self->indent;
1962         foreach my $el (@{$e->{ELEMENTS}}) {
1963                 if ($el->{CASE} eq "default") {
1964                         $have_default = 1;
1965                 }
1966                 $self->pidl("$el->{CASE}: {");
1967
1968                 if ($el->{TYPE} ne "EMPTY") {
1969                         $self->indent;
1970                         if (defined($e->{PROPERTIES}{relative_base})) {
1971                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1972                                 # set the current offset as base for relative pointers
1973                                 # and store it based on the toplevel struct/union
1974                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1975                         }
1976                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1977                         $self->deindent;
1978                 }
1979                 $self->pidl("break; }");
1980                 $self->pidl("");
1981         }
1982         if (! $have_default) {
1983                 $self->pidl("default:");
1984                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1985         }
1986         $self->deindent;
1987         $self->pidl("}");
1988 }
1989
1990 sub ParseUnionPullDeferred($$$$)
1991 {
1992         my ($self,$e,$ndr,$varname) = @_;
1993         my $have_default = 0;
1994
1995         if (defined($e->{PROPERTIES}{relative_base})) {
1996                 # retrieve the current offset as base for relative pointers
1997                 # based on the toplevel struct/union
1998                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1999         }
2000         $self->pidl("switch (level) {");
2001         $self->indent;
2002         foreach my $el (@{$e->{ELEMENTS}}) {
2003                 if ($el->{CASE} eq "default") {
2004                         $have_default = 1;
2005                 }
2006
2007                 $self->pidl("$el->{CASE}:");
2008                 if ($el->{TYPE} ne "EMPTY") {
2009                         $self->indent;
2010                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
2011                         $self->deindent;
2012                 }
2013                 $self->pidl("break;");
2014                 $self->pidl("");
2015         }
2016         if (! $have_default) {
2017                 $self->pidl("default:");
2018                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
2019         }
2020         $self->deindent;
2021         $self->pidl("}");
2022
2023
2024 }
2025
2026 #####################################################################
2027 # parse a union - pull side
2028 sub ParseUnionPull($$$$)
2029 {
2030         my ($self,$e,$ndr,$varname) = @_;
2031         my $switch_type = $e->{SWITCH_TYPE};
2032
2033         $self->pidl("uint32_t level;");
2034         if (defined($switch_type)) {
2035                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
2036                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
2037                 }
2038                 $self->pidl(mapTypeName($switch_type) . " _level;");
2039         }
2040
2041         my %double_cases = ();
2042         foreach my $el (@{$e->{ELEMENTS}}) {
2043                 next if ($el->{TYPE} eq "EMPTY");
2044                 next if ($double_cases{"$el->{NAME}"});
2045                 $self->DeclareMemCtxVariables($el);
2046                 $self->DeclarePtrVariables($el);
2047                 $self->DeclareArrayVariables($el);
2048                 $double_cases{"$el->{NAME}"} = 1;
2049         }
2050
2051         $self->start_flags($e, $ndr);
2052
2053         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2054
2055         $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
2056         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2057         $self->indent;
2058         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2059         $self->deindent;
2060         $self->pidl("}");
2061
2062         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2063         $self->indent;
2064         $self->ParseUnionPullDeferred($e,$ndr,$varname);
2065         $self->deindent;
2066         $self->pidl("}");
2067
2068         $self->add_deferred();
2069
2070         $self->end_flags($e, $ndr);
2071 }
2072
2073 sub DeclUnion($$$$)
2074 {
2075         my ($e,$t,$name,$varname) = @_;
2076         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2077 }
2078
2079 sub ArgsUnionNdrSize($$)
2080 {
2081         my ($d,$name) = @_;
2082         return "const union $name *r, uint32_t level, int flags";
2083 }
2084
2085 $typefamily{UNION} = {
2086         PUSH_FN_BODY => \&ParseUnionPush,
2087         DECL => \&DeclUnion,
2088         PULL_FN_BODY => \&ParseUnionPull,
2089         PRINT_FN_BODY => \&ParseUnionPrint,
2090         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2091         SIZE_FN_BODY => \&ParseUnionNdrSize,
2092 };
2093
2094 #####################################################################
2095 # parse a typedef - push side
2096 sub ParseTypedefPush($$$$)
2097 {
2098         my($self,$e,$ndr,$varname) = @_;
2099
2100         my $env;
2101
2102         $env->{$e->{NAME}} = $varname;
2103
2104         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2105 }
2106
2107 #####################################################################
2108 # parse a typedef - pull side
2109 sub ParseTypedefPull($$$$)
2110 {
2111         my($self,$e,$ndr,$varname) = @_;
2112
2113         my $env;
2114
2115         $env->{$e->{NAME}} = $varname;
2116
2117         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2118 }
2119
2120 #####################################################################
2121 # parse a typedef - print side
2122 sub ParseTypedefPrint($$$$$)
2123 {
2124         my($self,$e,$ndr,$name,$varname) = @_;
2125
2126         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2127 }
2128
2129 #####################################################################
2130 ## calculate the size of a structure
2131 sub ParseTypedefNdrSize($$$$)
2132 {
2133         my($self,$t,$name,$varname) = @_;
2134
2135         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2136 }
2137
2138 sub DeclTypedef($$$$)
2139 {
2140         my ($e, $t, $name, $varname) = @_;
2141
2142         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2143 }
2144
2145 sub ArgsTypedefNdrSize($$$)
2146 {
2147         my ($d, $name, $varname) = @_;
2148         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2149 }
2150
2151 $typefamily{TYPEDEF} = {
2152         PUSH_FN_BODY => \&ParseTypedefPush,
2153         DECL => \&DeclTypedef,
2154         PULL_FN_BODY => \&ParseTypedefPull,
2155         PRINT_FN_BODY => \&ParseTypedefPrint,
2156         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2157         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2158 };
2159
2160 sub ParsePipePushChunk($$)
2161 {
2162         my ($self, $t) = @_;
2163
2164         my $pipe = $t;
2165         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2166         my $struct = $pipe->{DATA};
2167
2168         my $name = "$struct->{NAME}";
2169         my $ndr = "ndr";
2170         my $varname = "r";
2171
2172         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2173
2174         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2175
2176         return if has_property($t, "nopush");
2177
2178         $self->pidl("{");
2179         $self->indent;
2180
2181         $self->ParseStructPush($struct, $ndr, $varname);
2182         $self->pidl("");
2183
2184         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2185         $self->pidl("");
2186
2187         $self->pidl("return NDR_ERR_SUCCESS;");
2188         $self->deindent;
2189         $self->pidl("}");
2190         $self->pidl("");
2191 }
2192
2193 sub ParsePipePullChunk($$)
2194 {
2195         my ($self, $t) = @_;
2196
2197         my $pipe = $t;
2198         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2199         my $struct = $pipe->{DATA};
2200
2201         my $name = "$struct->{NAME}";
2202         my $ndr = "ndr";
2203         my $varname = "r";
2204
2205         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2206
2207         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2208
2209         return if has_property($struct, "nopull");
2210
2211         $self->pidl("{");
2212         $self->indent;
2213
2214         $self->ParseStructPull($struct, $ndr, $varname);
2215         $self->pidl("");
2216
2217         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2218         $self->pidl("");
2219
2220         $self->pidl("return NDR_ERR_SUCCESS;");
2221         $self->deindent;
2222         $self->pidl("}");
2223         $self->pidl("");
2224 }
2225
2226 sub ParsePipePrintChunk($$)
2227 {
2228         my ($self, $t) = @_;
2229
2230         my $pipe = $t;
2231         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2232         my $struct = $pipe->{DATA};
2233
2234         my $name = "$struct->{NAME}";
2235         my $ndr = "ndr";
2236         my $varname = "r";
2237
2238         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2239
2240         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2241
2242         return if (has_property($t, "noprint"));
2243
2244         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2245         $self->pidl("{");
2246         $self->indent;
2247         $self->ParseTypePrint($struct, $ndr, $varname);
2248         $self->deindent;
2249         $self->pidl("}");
2250         $self->pidl("");
2251 }
2252
2253 #####################################################################
2254 # parse a function - print side
2255 sub ParseFunctionPrint($$)
2256 {
2257         my($self, $fn) = @_;
2258         my $ndr = "ndr";
2259
2260         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2261
2262         return if has_property($fn, "noprint");
2263
2264         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2265         $self->pidl("{");
2266         $self->indent;
2267
2268         foreach my $e (@{$fn->{ELEMENTS}}) {
2269                 $self->DeclareArrayVariables($e);
2270         }
2271
2272         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2273         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2274         $self->pidl("$ndr->depth++;");
2275
2276         $self->pidl("if (flags & NDR_SET_VALUES) {");
2277         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2278         $self->pidl("}");
2279
2280         $self->pidl("if (flags & NDR_IN) {");
2281         $self->indent;
2282         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2283         $self->pidl("$ndr->depth++;");
2284
2285         my $env = GenerateFunctionInEnv($fn);
2286
2287         foreach my $e (@{$fn->{ELEMENTS}}) {
2288                 if (grep(/in/,@{$e->{DIRECTION}})) {
2289                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2290                 }
2291         }
2292         $self->pidl("$ndr->depth--;");
2293         $self->deindent;
2294         $self->pidl("}");
2295
2296         $self->pidl("if (flags & NDR_OUT) {");
2297         $self->indent;
2298         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2299         $self->pidl("$ndr->depth++;");
2300
2301         $env = GenerateFunctionOutEnv($fn);
2302         foreach my $e (@{$fn->{ELEMENTS}}) {
2303                 if (grep(/out/,@{$e->{DIRECTION}})) {
2304                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2305                 }
2306         }
2307         if ($fn->{RETURN_TYPE}) {
2308                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2309         }
2310         $self->pidl("$ndr->depth--;");
2311         $self->deindent;
2312         $self->pidl("}");
2313
2314         $self->pidl("$ndr->depth--;");
2315         $self->deindent;
2316         $self->pidl("}");
2317         $self->pidl("");
2318 }
2319
2320 #####################################################################
2321 # parse a function
2322 sub ParseFunctionPush($$)
2323 {
2324         my($self, $fn) = @_;
2325         my $ndr = "ndr";
2326
2327         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2328
2329         return if has_property($fn, "nopush");
2330
2331         $self->pidl("{");
2332         $self->indent;
2333
2334         foreach my $e (@{$fn->{ELEMENTS}}) {
2335                 $self->DeclareArrayVariables($e);
2336         }
2337
2338         $self->pidl("NDR_PUSH_CHECK_FN_FLAGS(ndr, flags);");
2339
2340         $self->pidl("if (flags & NDR_IN) {");
2341         $self->indent;
2342
2343         my $env = GenerateFunctionInEnv($fn);
2344
2345         EnvSubstituteValue($env, $fn);
2346
2347         foreach my $e (@{$fn->{ELEMENTS}}) {
2348                 if (grep(/in/,@{$e->{DIRECTION}})) {
2349                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2350                 }
2351         }
2352
2353         $self->deindent;
2354         $self->pidl("}");
2355
2356         $self->pidl("if (flags & NDR_OUT) {");
2357         $self->indent;
2358
2359         $env = GenerateFunctionOutEnv($fn);
2360         foreach my $e (@{$fn->{ELEMENTS}}) {
2361                 if (grep(/out/,@{$e->{DIRECTION}})) {
2362                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2363                 }
2364         }
2365
2366         if ($fn->{RETURN_TYPE}) {
2367                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2368         }
2369
2370         $self->deindent;
2371         $self->pidl("}");
2372         $self->pidl("return NDR_ERR_SUCCESS;");
2373         $self->deindent;
2374         $self->pidl("}");
2375         $self->pidl("");
2376 }
2377
2378 sub AllocateArrayLevel($$$$$$)
2379 {
2380         my ($self,$e,$l,$ndr,$var,$size) = @_;
2381
2382         my $pl = GetPrevLevel($e, $l);
2383         if (defined($pl) and
2384             $pl->{TYPE} eq "POINTER" and
2385             $pl->{POINTER_TYPE} eq "ref"
2386             and not $l->{IS_ZERO_TERMINATED}) {
2387                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2388                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2389                 $self->pidl("}");
2390                 if (grep(/in/,@{$e->{DIRECTION}}) and
2391                     grep(/out/,@{$e->{DIRECTION}})) {
2392                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2393                 }
2394                 return;
2395         }
2396
2397         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2398 }
2399
2400 #####################################################################
2401 # parse a function
2402 sub ParseFunctionPull($$)
2403 {
2404         my($self,$fn) = @_;
2405         my $ndr = "ndr";
2406
2407         # pull function args
2408         $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;
2409
2410         $self->pidl("{");
2411         $self->indent;
2412
2413         # declare any internal pointers we need
2414         foreach my $e (@{$fn->{ELEMENTS}}) {
2415                 $self->DeclarePtrVariables($e);
2416                 $self->DeclareArrayVariables($e);
2417         }
2418
2419         my %double_cases = ();
2420         foreach my $e (@{$fn->{ELEMENTS}}) {
2421                 next if ($e->{TYPE} eq "EMPTY");
2422                 next if ($double_cases{"$e->{NAME}"});
2423                 $self->DeclareMemCtxVariables($e);
2424                 $double_cases{"$e->{NAME}"} = 1;
2425         }
2426
2427         $self->pidl("NDR_PULL_CHECK_FN_FLAGS(ndr, flags);");
2428
2429         $self->pidl("if (flags & NDR_IN) {");
2430         $self->indent;
2431
2432         # auto-init the out section of a structure. I originally argued that
2433         # this was a bad idea as it hides bugs, but coping correctly
2434         # with initialisation and not wiping ref vars is turning
2435         # out to be too tricky (tridge)
2436         foreach my $e (@{$fn->{ELEMENTS}}) {
2437                 next unless grep(/out/, @{$e->{DIRECTION}});
2438                 $self->pidl("ZERO_STRUCT(r->out);");
2439                 $self->pidl("");
2440                 last;
2441         }
2442
2443         my $env = GenerateFunctionInEnv($fn);
2444
2445         foreach my $e (@{$fn->{ELEMENTS}}) {
2446                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2447                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2448         }
2449
2450         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2451         # own flag rather than be in NDR_IN ?
2452
2453         foreach my $e (@{$fn->{ELEMENTS}}) {
2454                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2455                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2456                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2457                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2458                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2459                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2460                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2461                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2462
2463                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2464                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2465                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2466                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2467                                 check_fully_dereferenced($e, $env));
2468                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2469
2470                         if (grep(/in/, @{$e->{DIRECTION}})) {
2471                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2472                         } else {
2473                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2474                         }
2475                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2476                         if (grep(/in/, @{$e->{DIRECTION}})) {
2477                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2478                         } else {
2479                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2480                         }
2481                 } else {
2482                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2483
2484                         if (grep(/in/, @{$e->{DIRECTION}})) {
2485                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2486                         } else {
2487                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2488                         }
2489                 }
2490         }
2491
2492         $self->add_deferred();
2493         $self->deindent;
2494         $self->pidl("}");
2495
2496         $self->pidl("if (flags & NDR_OUT) {");
2497         $self->indent;
2498
2499         $env = GenerateFunctionOutEnv($fn);
2500         foreach my $e (@{$fn->{ELEMENTS}}) {
2501                 next unless grep(/out/, @{$e->{DIRECTION}});
2502                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2503         }
2504
2505         if ($fn->{RETURN_TYPE}) {
2506                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2507         }
2508
2509         $self->add_deferred();
2510         $self->deindent;
2511         $self->pidl("}");
2512
2513         $self->pidl("return NDR_ERR_SUCCESS;");
2514         $self->deindent;
2515         $self->pidl("}");
2516         $self->pidl("");
2517 }
2518
2519 sub AuthServiceStruct($$$)
2520 {
2521         my ($self, $ifacename, $authservice) = @_;
2522         my @a = split /,/, $authservice;
2523         my $authservice_count = $#a + 1;
2524
2525         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2526         foreach my $ap (@a) {
2527                 $self->pidl("\t$ap, ");
2528         }
2529         $self->pidl("};");
2530         $self->pidl("");
2531
2532         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2533         $self->pidl("\t.count\t= $authservice_count,");
2534         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2535         $self->pidl("};");
2536         $self->pidl("");
2537 }
2538
2539 sub ParseGeneratePipeArray($$$)
2540 {
2541         my ($self, $fn, $direction) = @_;
2542
2543         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2544         $self->indent;
2545
2546         foreach my $e (@{$fn->{ELEMENTS}}) {
2547                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2548                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2549
2550                 my $cname = "$e->{TYPE}_chunk";
2551
2552                 $self->pidl("{");
2553                 $self->indent;
2554                 $self->pidl("\"$direction.$e->{NAME}\",");
2555                 $self->pidl("\"$cname\",");
2556                 $self->pidl("sizeof(struct $cname),");
2557                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2558                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2559                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2560                 $self->deindent;
2561                 $self->pidl("},");
2562         }
2563         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2564         $self->deindent;
2565         $self->pidl("};");
2566         $self->pidl("");
2567 }
2568
2569 sub FunctionCallPipes($$)
2570 {
2571         my ($self, $d) = @_;
2572         return if not defined($d->{OPNUM});
2573
2574         my $in_pipes = 0;
2575         my $out_pipes = 0;
2576
2577         foreach my $e (@{$d->{ELEMENTS}}) {
2578                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2579
2580                 if (grep(/in/, @{$e->{DIRECTION}})) {
2581                         $in_pipes++;
2582                 }
2583                 if (grep(/out/, @{$e->{DIRECTION}})) {
2584                         $out_pipes++;
2585                 }
2586         }
2587
2588         if ($in_pipes) {
2589                 $self->ParseGeneratePipeArray($d, "in");
2590         }
2591
2592         if ($out_pipes) {
2593                 $self->ParseGeneratePipeArray($d, "out");
2594         }
2595 }
2596
2597 sub FunctionCallEntry($$)
2598 {
2599         my ($self, $d) = @_;
2600         return 0 if not defined($d->{OPNUM});
2601
2602         my $in_pipes = 0;
2603         my $out_pipes = 0;
2604
2605         foreach my $e (@{$d->{ELEMENTS}}) {
2606                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2607
2608                 if (grep(/in/, @{$e->{DIRECTION}})) {
2609                         $in_pipes++;
2610                 }
2611                 if (grep(/out/, @{$e->{DIRECTION}})) {
2612                         $out_pipes++;
2613                 }
2614         }
2615
2616         my $in_pipes_ptr = "NULL";
2617         my $out_pipes_ptr = "NULL";
2618
2619         if ($in_pipes) {
2620                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2621         }
2622
2623         if ($out_pipes) {
2624                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2625         }
2626
2627         $self->pidl("\t{");
2628         $self->pidl("\t\t\"$d->{NAME}\",");
2629         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2630         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2631         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2632         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2633         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2634         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2635         $self->pidl("\t},");
2636         return 1;
2637 }
2638
2639 #####################################################################
2640 # produce a function call table
2641 sub FunctionTable($$)
2642 {
2643         my($self,$interface) = @_;
2644         my $count = 0;
2645         my $uname = uc $interface->{NAME};
2646
2647         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2648         return unless defined ($interface->{PROPERTIES}->{uuid});
2649
2650         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2651                 $self->FunctionCallPipes($d);
2652         }
2653
2654         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2655
2656         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2657                 $count += $self->FunctionCallEntry($d);
2658         }
2659         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2660         $self->pidl("};");
2661         $self->pidl("");
2662
2663         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2664         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2665                 $self->pidl("\t$ep, ");
2666         }
2667         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2668
2669         $self->pidl("};");
2670         $self->pidl("");
2671
2672         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2673         $self->pidl("\t.count\t= $endpoint_count,");
2674         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2675         $self->pidl("};");
2676         $self->pidl("");
2677
2678         if (! defined $interface->{PROPERTIES}->{authservice}) {
2679                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2680         }
2681
2682         $self->AuthServiceStruct($interface->{NAME},
2683                                      $interface->{PROPERTIES}->{authservice});
2684
2685         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2686         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2687         $self->pidl("\t.syntax_id\t= {");
2688         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2689         $self->pidl("\t\tNDR_$uname\_VERSION");
2690         $self->pidl("\t},");
2691         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2692         $self->pidl("\t.num_calls\t= $count,");
2693         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2694         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2695         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2696         $self->pidl("};");
2697         $self->pidl("");
2698
2699 }
2700
2701 #####################################################################
2702 # generate include statements for imported idl files
2703 sub HeaderImport
2704 {
2705         my $self = shift;
2706         my @imports = @_;
2707         foreach (@imports) {
2708                 $_ = unmake_str($_);
2709                 s/\.idl$//;
2710                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2711         }
2712 }
2713
2714 #####################################################################
2715 # generate include statements for included header files
2716 sub HeaderInclude
2717 {
2718         my $self = shift;
2719         my @includes = @_;
2720         foreach (@includes) {
2721                 $self->pidl_hdr("#include $_");
2722         }
2723 }
2724
2725 #####################################################################
2726 # generate prototypes and defines for the interface definitions
2727 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2728 # NDR parser and so do not belong here, technically speaking
2729 sub HeaderInterface($$$)
2730 {
2731         my($self,$interface,$needed) = @_;
2732
2733         my $count = 0;
2734
2735         if ($needed->{"compression"}) {
2736                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2737         }
2738
2739         if (has_property($interface, "object")) {
2740                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2741         }
2742
2743         if (defined $interface->{PROPERTIES}->{helper}) {
2744                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2745         }
2746
2747         if (defined $interface->{PROPERTIES}->{uuid}) {
2748                 my $name = uc $interface->{NAME};
2749                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2750                 Parse::Pidl::Util::make_str(lc($interface->{UUID})));
2751
2752                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{VERSION}");
2753
2754                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2755
2756                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2757                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2758
2759                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2760         }
2761
2762         foreach (@{$interface->{FUNCTIONS}}) {
2763                 next if has_property($_, "noopnum");
2764                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2765                 my $u_name = uc $_->{NAME};
2766
2767                 my $val = sprintf("0x%02x", $count);
2768                 if (defined($interface->{BASE})) {
2769                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2770                 }
2771
2772                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2773
2774                 $self->pidl_hdr("");
2775                 $count++;
2776         }
2777
2778         my $val = $count;
2779
2780         if (defined($interface->{BASE})) {
2781                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2782         }
2783
2784         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2785
2786 }
2787
2788 sub ParseTypePush($$$$$$)
2789 {
2790         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2791
2792         # save the old relative_base_offset
2793         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2794         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2795         # restore the old relative_base_offset
2796         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2797 }
2798
2799 sub ParseTypePushFunction($$$)
2800 {
2801         my ($self, $e, $varname) = @_;
2802         my $ndr = "ndr";
2803
2804         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2805
2806         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2807
2808         $self->pidl("{");
2809         $self->indent;
2810         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2811         $self->pidl("return NDR_ERR_SUCCESS;");
2812         $self->deindent;
2813         $self->pidl("}");
2814         $self->pidl("");;
2815 }
2816
2817 sub ParseTypePull($$$$$$)
2818 {
2819         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2820
2821         # save the old relative_base_offset
2822         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2823         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2824         # restore the old relative_base_offset
2825         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2826 }
2827
2828 sub ParseTypePullFunction($$)
2829 {
2830         my ($self, $e, $varname) = @_;
2831         my $ndr = "ndr";
2832
2833         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2834
2835         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2836
2837         $self->pidl("{");
2838         $self->indent;
2839         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2840         $self->pidl("return NDR_ERR_SUCCESS;");
2841         $self->deindent;
2842         $self->pidl("}");
2843         $self->pidl("");
2844 }
2845
2846 sub ParseTypePrint($$$$)
2847 {
2848         my ($self, $e, $ndr, $varname) = @_;
2849
2850         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2851 }
2852
2853 sub ParseTypePrintFunction($$$)
2854 {
2855         my ($self, $e, $varname) = @_;
2856         my $ndr = "ndr";
2857
2858         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2859
2860         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2861
2862         return if (has_property($e, "noprint"));
2863
2864         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2865         $self->pidl("{");
2866         $self->indent;
2867         $self->ParseTypePrint($e, $ndr, $varname);
2868         $self->deindent;
2869         $self->pidl("}");
2870         $self->pidl("");
2871 }
2872
2873 sub ParseTypeNdrSize($$)
2874 {
2875         my ($self,$t) = @_;
2876
2877         my $varname = "r";
2878         my $tf = $typefamily{$t->{TYPE}};
2879         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2880
2881         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2882
2883         $self->pidl("{");
2884         $self->indent;
2885         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2886         $self->deindent;
2887         $self->pidl("}");
2888         $self->pidl("");
2889 }
2890
2891 #####################################################################
2892 # parse the interface definitions
2893 sub ParseInterface($$$)
2894 {
2895         my($self,$interface,$needed) = @_;
2896
2897         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2898         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2899
2900         $self->pidl_hdr("");
2901
2902         $self->HeaderInterface($interface, $needed);
2903
2904         # Typedefs
2905         foreach my $d (@{$interface->{TYPES}}) {
2906                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2907                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2908                                 $self->ParsePipePushChunk($d);
2909                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2910                                 $self->ParsePipePullChunk($d);
2911                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2912                                 $self->ParsePipePrintChunk($d);
2913
2914                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2915                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2916                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2917                         next;
2918                 }
2919
2920                 next unless(typeHasBody($d));
2921
2922                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2923                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2924                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2925
2926                 # Make sure we don't generate a function twice...
2927                 $needed->{TypeFunctionName("ndr_push", $d)} =
2928                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2929                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2930
2931                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2932         }
2933
2934         # Functions
2935         foreach my $d (@{$interface->{FUNCTIONS}}) {
2936                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2937                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2938                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2939         }
2940
2941         $self->FunctionTable($interface);
2942
2943         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2944 }
2945
2946 sub GenerateIncludes($)
2947 {
2948         my ($self) = @_;
2949         if (is_intree()) {
2950                 $self->pidl("#include \"includes.h\"");
2951         } else {
2952                 $self->pidl("#ifndef _GNU_SOURCE");
2953                 $self->pidl("#define _GNU_SOURCE");
2954                 $self->pidl("#endif");
2955                 $self->pidl("#include <stdint.h>");
2956                 $self->pidl("#include <stdlib.h>");
2957                 $self->pidl("#include <stdio.h>");
2958                 $self->pidl("#include <stdbool.h>");
2959                 $self->pidl("#include <stdarg.h>");
2960                 $self->pidl("#include <string.h>");
2961         }
2962 }
2963
2964 #####################################################################
2965 # parse a parsed IDL structure back into an IDL file
2966 sub Parse($$$$)
2967 {
2968         my($self, $ndr,$gen_header,$ndr_header) = @_;
2969
2970         $self->pidl_hdr("/* header auto-generated by pidl */");
2971         $self->pidl_hdr("");
2972         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2973         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2974         $self->pidl_hdr("");
2975
2976         $self->pidl("/* parser auto-generated by pidl */");
2977         $self->pidl("");
2978         $self->GenerateIncludes();
2979         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2980         $self->pidl("");
2981
2982         my %needed = ();
2983
2984         foreach (@{$ndr}) {
2985                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2986         }
2987
2988         foreach (@{$ndr}) {
2989                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2990                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2991                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2992         }
2993
2994         return ($self->{res_hdr}, $self->{res});
2995 }
2996
2997 sub NeededElement($$$)
2998 {
2999         my ($e, $dir, $needed) = @_;
3000
3001         return if ($e->{TYPE} eq "EMPTY");
3002
3003         return if (ref($e->{TYPE}) eq "HASH" and
3004                        not defined($e->{TYPE}->{NAME}));
3005
3006         my ($t, $rt);
3007         if (ref($e->{TYPE}) eq "HASH") {
3008                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
3009         } else {
3010                 $t = $e->{TYPE};
3011         }
3012
3013         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
3014                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
3015         } else {
3016                 $rt = $e->{REPRESENTATION_TYPE};
3017         }
3018
3019         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
3020
3021         my @fn = ();
3022         if ($dir eq "print") {
3023                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
3024         } elsif ($dir eq "pull") {
3025                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
3026                 push (@fn, "ndr_$t\_to_$rt")
3027                         if ($rt ne $t);
3028         } elsif ($dir eq "push") {
3029                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
3030                 push (@fn, "ndr_$rt\_to_$t")
3031                         if ($rt ne $t);
3032         } else {
3033                 die("invalid direction `$dir'");
3034         }
3035
3036         foreach (@fn) {
3037                 unless (defined($needed->{$_})) {
3038                         $needed->{$_} = 1;
3039                 }
3040         }
3041 }
3042
3043 sub NeededFunction($$)
3044 {
3045         my ($fn,$needed) = @_;
3046         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3047         $needed->{"ndr_push_$fn->{NAME}"} = 1;
3048         $needed->{"ndr_print_$fn->{NAME}"} = 1;
3049         foreach my $e (@{$fn->{ELEMENTS}}) {
3050                 $e->{PARENT} = $fn;
3051                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3052         }
3053 }
3054
3055 sub NeededType($$$)
3056 {
3057         sub NeededType($$$);
3058         my ($t,$needed,$req) = @_;
3059
3060         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3061         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3062
3063         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3064                 return unless defined($t->{ELEMENTS});
3065                 for my $e (@{$t->{ELEMENTS}}) {
3066                         $e->{PARENT} = $t;
3067                         if (has_property($e, "compression")) {
3068                                 $needed->{"compression"} = 1;
3069                         }
3070                         NeededElement($e, $req, $needed);
3071                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3072                 }
3073         }
3074 }
3075
3076 #####################################################################
3077 # work out what parse functions are needed
3078 sub NeededInterface($$)
3079 {
3080         my ($interface,$needed) = @_;
3081         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3082         foreach (reverse @{$interface->{TYPES}}) {
3083
3084                 if (has_property($_, "public")) {
3085                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3086                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3087                 }
3088
3089                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3090                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3091                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3092                 if (has_property($_, "gensize")) {
3093                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3094                 }
3095         }
3096 }
3097
3098 sub TypeFunctionName($$)
3099 {
3100         my ($prefix, $t) = @_;
3101
3102         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3103                         $t->{TYPE} eq "TYPEDEF");
3104         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3105         return "$prefix\_$t";
3106 }
3107
3108 1;