pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm

   1 ###################################################
   2 # Samba4 NDR parser generator for IDL structures
   3 # Copyright tridge@samba.org 2000-2003
   4 # Copyright tpot@samba.org 2001
   5 # Copyright jelmer@samba.org 2004-2006
   6 # released under the GNU GPL
   7
   8 package Parse::Pidl::Samba4::NDR::Parser;
   9
  10 require Exporter;
  11 @ISA = qw(Exporter);
  12 @EXPORT_OK = qw(check_null_pointer NeededFunction NeededElement NeededType $res NeededInterface TypeFunctionName ParseElementPrint);
  13
  14 use strict;
  15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
  16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
  17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
  18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
  19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
  20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  21 use Parse::Pidl qw(warning);
  22
  23 use vars qw($VERSION);
  24 $VERSION = '0.01';
  25
  26 # list of known types
  27 my %typefamily;
  28
  29 sub new($$) {
  30         my ($class) = @_;
  31         my $self = { res => "", res_hdr => "", deferred => [], tabs => "", defer_tabs => "" };
  32         bless($self, $class);
  33 }
  34
  35 sub get_typefamily($)
  36 {
  37         my $n = shift;
  38         return $typefamily{$n};
  39 }
  40
  41 sub append_prefix($$)
  42 {
  43         my ($e, $var_name) = @_;
  44         my $pointers = 0;
  45         my $arrays = 0;
  46
  47         foreach my $l (@{$e->{LEVELS}}) {
  48                 if ($l->{TYPE} eq "POINTER") {
  49                         $pointers++;
  50                 } elsif ($l->{TYPE} eq "ARRAY") {
  51                         $arrays++;
  52                         if (($pointers == 0) and
  53                             (not $l->{IS_FIXED}) and
  54                             (not $l->{IS_INLINE})) {
  55                                 return get_value_of($var_name);
  56                         }
  57                 } elsif ($l->{TYPE} eq "DATA") {
  58                         if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
  59                                 return get_value_of($var_name) unless ($pointers or $arrays);
  60                         }
  61                 }
  62         }
  63
  64         return $var_name;
  65 }
  66
  67 sub has_fast_array($$)
  68 {
  69         my ($e,$l) = @_;
  70
  71         return 0 if ($l->{TYPE} ne "ARRAY");
  72
  73         my $nl = GetNextLevel($e,$l);
  74         return 0 unless ($nl->{TYPE} eq "DATA");
  75         return 0 unless (hasType($nl->{DATA_TYPE}));
  76
  77         my $t = getType($nl->{DATA_TYPE});
  78
  79         # Only uint8 and string have fast array functions at the moment
  80         return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
  81 }
  82
  83
  84 ####################################
  85 # pidl() is our basic output routine
  86 sub pidl($$)
  87 {
  88         my ($self, $d) = @_;
  89         if ($d) {
  90                 $self->{res} .= $self->{tabs};
  91                 $self->{res} .= $d;
  92         }
  93         $self->{res} .="\n";
  94 }
  95
  96 sub pidl_hdr($$) { my ($self, $d) = @_; $self->{res_hdr} .= "$d\n"; }
  97
  98 ####################################
  99 # defer() is like pidl(), but adds to
 100 # a deferred buffer which is then added to the
 101 # output buffer at the end of the structure/union/function
 102 # This is needed to cope with code that must be pushed back
 103 # to the end of a block of elements
 104 sub defer_indent($) { my ($self) = @_; $self->{defer_tabs}.="\t"; }
 105 sub defer_deindent($) { my ($self) = @_; $self->{defer_tabs}=substr($self->{defer_tabs}, 0, -1); }
 106
 107 sub defer($$)
 108 {
 109         my ($self, $d) = @_;
 110         if ($d) {
 111                 push(@{$self->{deferred}}, $self->{defer_tabs}.$d);
 112         }
 113 }
 114
 115 ########################################
 116 # add the deferred content to the current
 117 # output
 118 sub add_deferred($)
 119 {
 120         my ($self) = @_;
 121         $self->pidl($_) foreach (@{$self->{deferred}});
 122         $self->{deferred} = [];
 123         $self->{defer_tabs} = "";
 124 }
 125
 126 sub indent($)
 127 {
 128         my ($self) = @_;
 129         $self->{tabs} .= "\t";
 130 }
 131
 132 sub deindent($)
 133 {
 134         my ($self) = @_;
 135         $self->{tabs} = substr($self->{tabs}, 0, -1);
 136 }
 137
 138 #####################################################################
 139 # declare a function public or static, depending on its attributes
 140 sub fn_declare($$$$)
 141 {
 142         my ($self,$type,$fn,$decl) = @_;
 143
 144         if (has_property($fn, "no$type")) {
 145                 $self->pidl_hdr("$decl;");
 146                 return 0;
 147         }
 148
 149         if (has_property($fn, "public")) {
 150                 $self->pidl_hdr("$decl;");
 151                 $self->pidl("_PUBLIC_ $decl");
 152         } else {
 153                 $self->pidl("static $decl");
 154         }
 155
 156         return 1;
 157 }
 158
 159 ###################################################################
 160 # setup any special flags for an element or structure
 161 sub start_flags($$$)
 162 {
 163         my ($self, $e, $ndr) = @_;
 164         my $flags = has_property($e, "flag");
 165         if (defined $flags) {
 166                 $self->pidl("{");
 167                 $self->indent;
 168                 $self->pidl("uint32_t _flags_save_$e->{TYPE} = $ndr->flags;");
 169                 $self->pidl("ndr_set_flags(&$ndr->flags, $flags);");
 170         }
 171 }
 172
 173 ###################################################################
 174 # end any special flags for an element or structure
 175 sub end_flags($$$)
 176 {
 177         my ($self, $e, $ndr) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201         } else {
 202                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 204         }
 205
 206         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 207                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
 208         }
 209
 210         if ($l->{IS_VARYING}) {
 211                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
 212                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
 213         }
 214
 215         return $length;
 216 }
 217
 218 sub check_fully_dereferenced($$)
 219 {
 220         my ($element, $env) = @_;
 221
 222         return sub ($) {
 223                 my $origvar = shift;
 224                 my $check = 0;
 225
 226                 # Figure out the number of pointers in $ptr
 227                 my $expandedvar = $origvar;
 228                 $expandedvar =~ s/^(\**)//;
 229                 my $ptr = $1;
 230
 231                 my $var = undef;
 232                 foreach (keys %$env) {
 233                         if ($env->{$_} eq $expandedvar) {
 234                                 $var = $_;
 235                                 last;
 236                         }
 237                 }
 238
 239                 return($origvar) unless (defined($var));
 240                 my $e;
 241                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 242                         if ($_->{NAME} eq $var) {
 243                                 $e = $_;
 244                                 last;
 245                         }
 246                 }
 247
 248                 $e or die("Environment doesn't match siblings");
 249
 250                 # See if pointer at pointer level $level
 251                 # needs to be checked.
 252                 my $nump = 0;
 253                 foreach (@{$e->{LEVELS}}) {
 254                         if ($_->{TYPE} eq "POINTER") {
 255                                 $nump = $_->{POINTER_INDEX}+1;
 256                         }
 257                 }
 258                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 259                 return ($origvar);
 260         }
 261 }
 262
 263 sub check_null_pointer($$$$)
 264 {
 265         my ($element, $env, $print_fn, $return) = @_;
 266
 267         return sub ($) {
 268                 my $expandedvar = shift;
 269                 my $check = 0;
 270
 271                 # Figure out the number of pointers in $ptr
 272                 $expandedvar =~ s/^(\**)//;
 273                 my $ptr = $1;
 274
 275                 my $var = undef;
 276                 foreach (keys %$env) {
 277                         if ($env->{$_} eq $expandedvar) {
 278                                 $var = $_;
 279                                 last;
 280                         }
 281                 }
 282
 283                 if (defined($var)) {
 284                         my $e;
 285                         # lookup ptr in $e
 286                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 287                                 if ($_->{NAME} eq $var) {
 288                                         $e = $_;
 289                                         last;
 290                                 }
 291                         }
 292
 293                         $e or die("Environment doesn't match siblings");
 294
 295                         # See if pointer at pointer level $level
 296                         # needs to be checked.
 297                         foreach my $l (@{$e->{LEVELS}}) {
 298                                 if ($l->{TYPE} eq "POINTER" and
 299                                         $l->{POINTER_INDEX} == length($ptr)) {
 300                                         # No need to check ref pointers
 301                                         $check = ($l->{POINTER_TYPE} ne "ref");
 302                                         last;
 303                                 }
 304
 305                                 if ($l->{TYPE} eq "DATA") {
 306                                         warning($element, "too much dereferences for `$var'");
 307                                 }
 308                         }
 309                 } else {
 310                         warning($element, "unknown dereferenced expression `$expandedvar'");
 311                         $check = 1;
 312                 }
 313
 314                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 315         }
 316 }
 317
 318 #####################################################################
 319 # parse an array - pull side
 320 sub ParseArrayPullHeader($$$$$$)
 321 {
 322         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 323
 324         my $length;
 325         my $size;
 326
 327         if ($l->{IS_CONFORMANT}) {
 328                 $length = $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 329         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 330                 $length = $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 331         } else {
 332                 $length = $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 333                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 334                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 335                         check_fully_dereferenced($e, $env));
 336         }
 337
 338         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 339                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 340         }
 341
 342         if ($l->{IS_VARYING}) {
 343                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 344                 $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 345         }
 346
 347         if ($length ne $size) {
 348                 $self->pidl("if ($length > $size) {");
 349                 $self->indent;
 350                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $size, $length);");
 351                 $self->deindent;
 352                 $self->pidl("}");
 353         }
 354
 355         if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) {
 356                 $self->defer("if ($var_name) {");
 357                 $self->defer_indent;
 358                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 359                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 360                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 361                         check_fully_dereferenced($e, $env));
 362                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 363                 $self->defer_deindent;
 364                 $self->defer("}");
 365         }
 366
 367         if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) {
 368                 $self->defer("if ($var_name) {");
 369                 $self->defer_indent;
 370                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 371                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 372                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 373                         check_fully_dereferenced($e, $env));
 374                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 375                 $self->defer_deindent;
 376                 $self->defer("}");
 377         }
 378
 379         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 380                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$size);
 381         }
 382
 383         return $length;
 384 }
 385
 386 sub compression_alg($$)
 387 {
 388         my ($e, $l) = @_;
 389         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 390
 391         return $alg;
 392 }
 393
 394 sub compression_clen($$$)
 395 {
 396         my ($e, $l, $env) = @_;
 397         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 398
 399         return ParseExpr($clen, $env, $e->{ORIGINAL});
 400 }
 401
 402 sub compression_dlen($$$)
 403 {
 404         my ($e,$l,$env) = @_;
 405         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 406
 407         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 408 }
 409
 410 sub ParseCompressionPushStart($$$$$)
 411 {
 412         my ($self,$e,$l,$ndr,$env) = @_;
 413         my $comndr = "$ndr\_compressed";
 414         my $alg = compression_alg($e, $l);
 415         my $dlen = compression_dlen($e, $l, $env);
 416
 417         $self->pidl("{");
 418         $self->indent;
 419         $self->pidl("struct ndr_push *$comndr;");
 420         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 421
 422         return $comndr;
 423 }
 424
 425 sub ParseCompressionPushEnd($$$$$)
 426 {
 427         my ($self,$e,$l,$ndr,$env) = @_;
 428         my $comndr = "$ndr\_compressed";
 429         my $alg = compression_alg($e, $l);
 430         my $dlen = compression_dlen($e, $l, $env);
 431
 432         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 433         $self->deindent;
 434         $self->pidl("}");
 435 }
 436
 437 sub ParseCompressionPullStart($$$$$)
 438 {
 439         my ($self,$e,$l,$ndr,$env) = @_;
 440         my $comndr = "$ndr\_compressed";
 441         my $alg = compression_alg($e, $l);
 442         my $dlen = compression_dlen($e, $l, $env);
 443
 444         $self->pidl("{");
 445         $self->indent;
 446         $self->pidl("struct ndr_pull *$comndr;");
 447         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 448
 449         return $comndr;
 450 }
 451
 452 sub ParseCompressionPullEnd($$$$$)
 453 {
 454         my ($self,$e,$l,$ndr,$env) = @_;
 455         my $comndr = "$ndr\_compressed";
 456         my $alg = compression_alg($e, $l);
 457         my $dlen = compression_dlen($e, $l, $env);
 458
 459         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 460         $self->deindent;
 461         $self->pidl("}");
 462 }
 463
 464 sub ParseSubcontextPushStart($$$$$)
 465 {
 466         my ($self,$e,$l,$ndr,$env) = @_;
 467         my $subndr = "_ndr_$e->{NAME}";
 468         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 469
 470         $self->pidl("{");
 471         $self->indent;
 472         $self->pidl("struct ndr_push *$subndr;");
 473         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 474
 475         if (defined $l->{COMPRESSION}) {
 476                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 477         }
 478
 479         return $subndr;
 480 }
 481
 482 sub ParseSubcontextPushEnd($$$$$)
 483 {
 484         my ($self,$e,$l,$ndr,$env) = @_;
 485         my $subndr = "_ndr_$e->{NAME}";
 486         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 487
 488         if (defined $l->{COMPRESSION}) {
 489                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 490         }
 491
 492         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 493         $self->deindent;
 494         $self->pidl("}");
 495 }
 496
 497 sub ParseSubcontextPullStart($$$$$)
 498 {
 499         my ($self,$e,$l,$ndr,$env) = @_;
 500         my $subndr = "_ndr_$e->{NAME}";
 501         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 502
 503         $self->pidl("{");
 504         $self->indent;
 505         $self->pidl("struct ndr_pull *$subndr;");
 506         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 507
 508         if (defined $l->{COMPRESSION}) {
 509                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 510         }
 511
 512         return $subndr;
 513 }
 514
 515 sub ParseSubcontextPullEnd($$$$$)
 516 {
 517         my ($self,$e,$l,$ndr,$env) = @_;
 518         my $subndr = "_ndr_$e->{NAME}";
 519         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 520
 521         if (defined $l->{COMPRESSION}) {
 522                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 523         }
 524
 525         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 526         $self->deindent;
 527         $self->pidl("}");
 528 }
 529
 530 sub ParseElementPushLevel
 531 {
 532         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 533
 534         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 535
 536         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 537                 $var_name = get_pointer_to($var_name);
 538         }
 539
 540         if (defined($ndr_flags)) {
 541                 if ($l->{TYPE} eq "SUBCONTEXT") {
 542                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 543                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 544                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 545                 } elsif ($l->{TYPE} eq "POINTER") {
 546                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 547                 } elsif ($l->{TYPE} eq "ARRAY") {
 548                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 549
 550                         my $nl = GetNextLevel($e, $l);
 551
 552                         # Allow speedups for arrays of scalar types
 553                         if (is_charset_array($e,$l)) {
 554                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 555                                 return;
 556                         } elsif (has_fast_array($e,$l)) {
 557                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 558                                 return;
 559                         }
 560                 } elsif ($l->{TYPE} eq "SWITCH") {
 561                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 562                 } elsif ($l->{TYPE} eq "DATA") {
 563                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 564                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 565                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 566                 }
 567         }
 568
 569         if ($l->{TYPE} eq "POINTER" and $deferred) {
 570                 my $rel_var_name = $var_name;
 571                 if ($l->{POINTER_TYPE} ne "ref") {
 572                         $self->pidl("if ($var_name) {");
 573                         $self->indent;
 574                         if ($l->{POINTER_TYPE} eq "relative") {
 575                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 576                         }
 577                         if ($l->{POINTER_TYPE} eq "relative_short") {
 578                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 579                         }
 580                 }
 581                 $var_name = get_value_of($var_name);
 582                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 583
 584                 if ($l->{POINTER_TYPE} ne "ref") {
 585                         if ($l->{POINTER_TYPE} eq "relative") {
 586                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 587                         }
 588                         $self->deindent;
 589                         $self->pidl("}");
 590                 }
 591         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 592                 not is_charset_array($e, $l)) {
 593                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 594                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 595
 596                 my $array_pointless = ($length eq "0");
 597
 598                 if ($array_pointless) {
 599                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 600                 }
 601
 602                 $var_name = get_array_element($var_name, $counter);
 603
 604                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 605                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 606                         $self->indent;
 607                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 608                         $self->deindent;
 609                         $self->pidl("}");
 610                 }
 611
 612                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 613                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 614                         $self->indent;
 615                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 616                         $self->deindent;
 617                         $self->pidl("}");
 618                 }
 619         } elsif ($l->{TYPE} eq "SWITCH") {
 620                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 621         }
 622 }
 623
 624 #####################################################################
 625 # parse scalars in a structure element
 626 sub ParseElementPush($$$$$$)
 627 {
 628         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 629         my $subndr = undef;
 630
 631         my $var_name = $env->{$e->{NAME}};
 632
 633         return if ContainsPipe($e, $e->{LEVELS}[0]);
 634
 635         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 636
 637         # Representation type is different from transmit_as
 638         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 639                 $self->pidl("{");
 640                 $self->indent;
 641                 my $transmit_name = "_transmit_$e->{NAME}";
 642                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 643                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 644                 $var_name = $transmit_name;
 645         }
 646
 647         $var_name = append_prefix($e, $var_name);
 648
 649         $self->start_flags($e, $ndr);
 650
 651         if (defined(my $value = has_property($e, "value"))) {
 652                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 653         }
 654
 655         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 656
 657         $self->end_flags($e, $ndr);
 658
 659         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 660                 $self->deindent;
 661                 $self->pidl("}");
 662         }
 663 }
 664
 665 #####################################################################
 666 # parse a pointer in a struct element or function
 667 sub ParsePtrPush($$$$$)
 668 {
 669         my ($self,$e,$l,$ndr,$var_name) = @_;
 670
 671         if ($l->{POINTER_TYPE} eq "ref") {
 672                 $self->pidl("if ($var_name == NULL) {");
 673                 $self->indent;
 674                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 675                 $self->deindent;
 676                 $self->pidl("}");
 677                 if ($l->{LEVEL} eq "EMBEDDED") {
 678                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 679                 }
 680         } elsif ($l->{POINTER_TYPE} eq "relative") {
 681                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 682         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 683                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 684         } elsif ($l->{POINTER_TYPE} eq "unique") {
 685                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 686         } elsif ($l->{POINTER_TYPE} eq "full") {
 687                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 688         } else {
 689                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 690         }
 691 }
 692
 693 sub need_pointer_to($$$)
 694 {
 695         my ($e, $l, $scalar_only) = @_;
 696
 697         my $t;
 698         if (ref($l->{DATA_TYPE})) {
 699                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 700         } else {
 701                 $t = $l->{DATA_TYPE};
 702         }
 703
 704         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 705                 return 1 if $scalar_only;
 706         }
 707
 708         my $arrays = 0;
 709
 710         foreach my $tl (@{$e->{LEVELS}}) {
 711                 last if $l == $tl;
 712                 if ($tl->{TYPE} eq "ARRAY") {
 713                         $arrays++;
 714                 }
 715         }
 716
 717         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 718                 return 1 unless $arrays;
 719         }
 720
 721         return 0;
 722 }
 723
 724 sub ParseDataPrint($$$$$)
 725 {
 726         my ($self, $e, $l, $ndr, $var_name) = @_;
 727
 728         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 729
 730                 if (need_pointer_to($e, $l, 1)) {
 731                         $var_name = get_pointer_to($var_name);
 732                 }
 733
 734                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 735         } else {
 736                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 737         }
 738 }
 739
 740 #####################################################################
 741 # print scalars in a structure element
 742 sub ParseElementPrint($$$$$)
 743 {
 744         my($self, $e, $ndr, $var_name, $env) = @_;
 745
 746         return if (has_property($e, "noprint"));
 747
 748         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 749                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 750                 return;
 751         }
 752
 753         $var_name = append_prefix($e, $var_name);
 754
 755         if (defined(my $value = has_property($e, "value"))) {
 756                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 757         }
 758
 759         foreach my $l (@{$e->{LEVELS}}) {
 760                 if ($l->{TYPE} eq "POINTER") {
 761                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 762                         $self->pidl("$ndr->depth++;");
 763                         if ($l->{POINTER_TYPE} ne "ref") {
 764                                 $self->pidl("if ($var_name) {");
 765                                 $self->indent;
 766                         }
 767                         $var_name = get_value_of($var_name);
 768                 } elsif ($l->{TYPE} eq "ARRAY") {
 769                         my $length;
 770
 771                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 772                                 $var_name = get_pointer_to($var_name);
 773                         }
 774
 775                         if ($l->{IS_ZERO_TERMINATED}) {
 776                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 777                         } else {
 778                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 779                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 780                         }
 781
 782                         if (is_charset_array($e,$l)) {
 783                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 784                                 last;
 785                         } elsif (has_fast_array($e, $l)) {
 786                                 my $nl = GetNextLevel($e, $l);
 787                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 788                                 last;
 789                         } else {
 790                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 791
 792                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 793                                 $self->pidl("$ndr->depth++;");
 794                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 795                                 $self->indent;
 796
 797                                 $var_name = get_array_element($var_name, $counter);
 798                         }
 799                 } elsif ($l->{TYPE} eq "DATA") {
 800                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 801                 } elsif ($l->{TYPE} eq "SWITCH") {
 802                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 803                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 804                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 805                 }
 806         }
 807
 808         foreach my $l (reverse @{$e->{LEVELS}}) {
 809                 if ($l->{TYPE} eq "POINTER") {
 810                         if ($l->{POINTER_TYPE} ne "ref") {
 811                                 $self->deindent;
 812                                 $self->pidl("}");
 813                         }
 814                         $self->pidl("$ndr->depth--;");
 815                 } elsif (($l->{TYPE} eq "ARRAY")
 816                         and not is_charset_array($e,$l)
 817                         and not has_fast_array($e,$l)) {
 818                         $self->deindent;
 819                         $self->pidl("}");
 820                         $self->pidl("$ndr->depth--;");
 821                 }
 822         }
 823 }
 824
 825 #####################################################################
 826 # parse scalars in a structure element - pull size
 827 sub ParseSwitchPull($$$$$$)
 828 {
 829         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 830         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 831                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 832                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 833                 check_fully_dereferenced($e, $env));
 834
 835         $var_name = get_pointer_to($var_name);
 836         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 837 }
 838
 839 #####################################################################
 840 # push switch element
 841 sub ParseSwitchPush($$$$$$)
 842 {
 843         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 844         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 845                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 846                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 847                 check_fully_dereferenced($e, $env));
 848
 849         $var_name = get_pointer_to($var_name);
 850         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 851 }
 852
 853 sub ParseDataPull($$$$$$$)
 854 {
 855         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 856
 857         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 858
 859                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 860
 861                 if (need_pointer_to($e, $l, 0)) {
 862                         $var_name = get_pointer_to($var_name);
 863                 }
 864
 865                 $var_name = get_pointer_to($var_name);
 866
 867                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 868
 869                 my $pl = GetPrevLevel($e, $l);
 870
 871                 my $range = has_property($e, "range");
 872                 if ($range and $pl->{TYPE} ne "ARRAY") {
 873                         $var_name = get_value_of($var_name);
 874                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 875                         my ($low, $high) = split(/,/, $range, 2);
 876                         if ($low < 0 and not $signed) {
 877                                 warning(0, "$low is invalid for the range of an unsigned type");
 878                         }
 879                         if ($low == 0 and not $signed) {
 880                                 $self->pidl("if ($var_name > $high) {");
 881                         } else {
 882                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 883                         }
 884                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 885                         $self->pidl("}");
 886                 }
 887         } else {
 888                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 889         }
 890 }
 891
 892 sub ParseDataPush($$$$$$$)
 893 {
 894         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 895
 896         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 897
 898                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 899
 900                 # strings are passed by value rather than reference
 901                 if (need_pointer_to($e, $l, 1)) {
 902                         $var_name = get_pointer_to($var_name);
 903                 }
 904
 905                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 906         } else {
 907                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 908         }
 909 }
 910
 911 sub CalcNdrFlags($$$)
 912 {
 913         my ($l,$primitives,$deferred) = @_;
 914
 915         my $scalars = 0;
 916         my $buffers = 0;
 917
 918         # Add NDR_SCALARS if this one is deferred
 919         # and deferreds may be pushed
 920         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 921
 922         # Add NDR_SCALARS if this one is not deferred and
 923         # primitives may be pushed
 924         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 925
 926         # Add NDR_BUFFERS if this one contains deferred stuff
 927         # and deferreds may be pushed
 928         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 929
 930         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 931         return "NDR_SCALARS" if ($scalars);
 932         return "NDR_BUFFERS" if ($buffers);
 933         return undef;
 934 }
 935
 936 sub ParseMemCtxPullFlags($$$$)
 937 {
 938         my ($self, $e, $l) = @_;
 939
 940         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
 941
 942         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
 943         return undef if has_fast_array($e, $l);
 944         return undef if is_charset_array($e, $l);
 945
 946         my $mem_flags = "0";
 947
 948         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
 949                 my $nl = GetNextLevel($e, $l);
 950                 return undef if ($nl->{TYPE} eq "PIPE");
 951                 return undef if ($nl->{TYPE} eq "ARRAY");
 952                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
 953
 954                 if ($l->{LEVEL} eq "TOP") {
 955                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
 956                 }
 957         }
 958
 959         return $mem_flags;
 960 }
 961
 962 sub ParseMemCtxPullStart($$$$$)
 963 {
 964         my ($self, $e, $l, $ndr, $ptr_name) = @_;
 965
 966         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
 967         my $mem_c_ctx = $ptr_name;
 968         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
 969
 970         return unless defined($mem_c_flags);
 971
 972         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
 973         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
 974 }
 975
 976 sub ParseMemCtxPullEnd($$$$)
 977 {
 978         my ($self, $e, $l, $ndr) = @_;
 979
 980         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
 981         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
 982
 983         return unless defined($mem_r_flags);
 984
 985         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
 986 }
 987
 988 sub CheckStringTerminator($$$$$)
 989 {
 990         my ($self,$ndr,$e,$l,$length) = @_;
 991         my $nl = GetNextLevel($e, $l);
 992
 993         # Make sure last element is zero!
 994         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
 995 }
 996
 997 sub ParseElementPullLevel
 998 {
 999         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1000
1001         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1002
1003         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1004                 $var_name = get_pointer_to($var_name);
1005         }
1006
1007         # Only pull something if there's actually something to be pulled
1008         if (defined($ndr_flags)) {
1009                 if ($l->{TYPE} eq "SUBCONTEXT") {
1010                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1011                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1012                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1013                 } elsif ($l->{TYPE} eq "ARRAY") {
1014                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1015
1016                         if (my $range = has_property($e, "range")) {
1017                                 my ($low, $high) = split(/,/, $range, 2);
1018                                 if ($low < 0) {
1019                                         warning(0, "$low is invalid for the range of an array size");
1020                                 }
1021                                 if ($low == 0) {
1022                                         $self->pidl("if ($length > $high) {");
1023                                 } else {
1024                                         $self->pidl("if ($length < $low || $length > $high) {");
1025                                 }
1026                                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1027                                 $self->pidl("}");
1028                         }
1029
1030                         my $nl = GetNextLevel($e, $l);
1031
1032                         if (is_charset_array($e,$l)) {
1033                                 if ($l->{IS_ZERO_TERMINATED}) {
1034                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1035                                 }
1036                                 $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}));");
1037                                 return;
1038                         } elsif (has_fast_array($e, $l)) {
1039                                 if ($l->{IS_ZERO_TERMINATED}) {
1040                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1041                                 }
1042                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1043                                 return;
1044                         }
1045                 } elsif ($l->{TYPE} eq "POINTER") {
1046                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1047                 } elsif ($l->{TYPE} eq "SWITCH") {
1048                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1049                 } elsif ($l->{TYPE} eq "DATA") {
1050                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1051                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1052                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1053                 }
1054         }
1055
1056         # add additional constructions
1057         if ($l->{TYPE} eq "POINTER" and $deferred) {
1058                 if ($l->{POINTER_TYPE} ne "ref") {
1059                         $self->pidl("if ($var_name) {");
1060                         $self->indent;
1061
1062                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1063                                 $self->pidl("uint32_t _relative_save_offset;");
1064                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1065                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1066                         }
1067                 }
1068
1069                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1070
1071                 $var_name = get_value_of($var_name);
1072                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1073
1074                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1075
1076                 if ($l->{POINTER_TYPE} ne "ref") {
1077                         if ($l->{POINTER_TYPE} eq "relative") {
1078                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1079                                 $self->indent;
1080                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1081                                 $self->deindent;
1082                                 $self->pidl("}");
1083                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1084                         }
1085                         $self->deindent;
1086                         $self->pidl("}");
1087                 }
1088         } elsif ($l->{TYPE} eq "ARRAY" and
1089                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1090                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1091                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1092                 my $array_name = $var_name;
1093
1094                 if ($l->{IS_VARYING}) {
1095                         $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
1096                 }
1097
1098                 if (my $range = has_property($e, "range")) {
1099                         my ($low, $high) = split(/,/, $range, 2);
1100                         if ($low < 0) {
1101                                 warning(0, "$low is invalid for the range of an array size");
1102                         }
1103                         if ($low == 0) {
1104                                 $self->pidl("if ($length > $high) {");
1105                         } else {
1106                                 $self->pidl("if ($length < $low || $length > $high) {");
1107                         }
1108                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1109                         $self->pidl("}");
1110                 }
1111
1112                 $var_name = get_array_element($var_name, $counter);
1113
1114                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1115
1116                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1117                         my $nl = GetNextLevel($e,$l);
1118
1119                         if ($l->{IS_ZERO_TERMINATED}) {
1120                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1121                         }
1122
1123                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1124                         $self->indent;
1125                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1126                         $self->deindent;
1127                         $self->pidl("}");
1128                 }
1129
1130                 if ($deferred and ContainsDeferred($e, $l)) {
1131                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1132                         $self->indent;
1133                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1134                         $self->deindent;
1135                         $self->pidl("}");
1136                 }
1137
1138                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1139
1140         } elsif ($l->{TYPE} eq "SWITCH") {
1141                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1142         }
1143 }
1144
1145 #####################################################################
1146 # parse scalars in a structure element - pull size
1147 sub ParseElementPull($$$$$$)
1148 {
1149         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1150
1151         my $var_name = $env->{$e->{NAME}};
1152         my $represent_name;
1153         my $transmit_name;
1154
1155         return if ContainsPipe($e, $e->{LEVELS}[0]);
1156
1157         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1158
1159         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1160                 $self->pidl("{");
1161                 $self->indent;
1162                 $represent_name = $var_name;
1163                 $transmit_name = "_transmit_$e->{NAME}";
1164                 $var_name = $transmit_name;
1165                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1166         }
1167
1168         $var_name = append_prefix($e, $var_name);
1169
1170         $self->start_flags($e, $ndr);
1171
1172         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1173
1174         $self->end_flags($e, $ndr);
1175
1176         # Representation type is different from transmit_as
1177         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1178                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1179                 $self->deindent;
1180                 $self->pidl("}");
1181         }
1182 }
1183
1184 #####################################################################
1185 # parse a pointer in a struct element or function
1186 sub ParsePtrPull($$$$$)
1187 {
1188         my($self, $e,$l,$ndr,$var_name) = @_;
1189
1190         my $nl = GetNextLevel($e, $l);
1191         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1192         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1193                                                  ($nl->{DATA_TYPE} eq "string"));
1194
1195         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1196
1197                 if (!$next_is_array and !$next_is_string) {
1198                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1199                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1200                         $self->pidl("}");
1201                 }
1202
1203                 return;
1204         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1205                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1206         } elsif (($l->{POINTER_TYPE} eq "unique") or
1207                  ($l->{POINTER_TYPE} eq "relative") or
1208                  ($l->{POINTER_TYPE} eq "full")) {
1209                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1210         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1211                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1212         } else {
1213                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1214         }
1215
1216         $self->pidl("if (_ptr_$e->{NAME}) {");
1217         $self->indent;
1218
1219         # Don't do this for arrays, they're allocated at the actual level
1220         # of the array
1221         unless ($next_is_array or $next_is_string) {
1222                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1223         } else {
1224                 # FIXME: Yes, this is nasty.
1225                 # We allocate an array twice
1226                 # - once just to indicate that it's there,
1227                 # - then the real allocation...
1228                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1229         }
1230
1231         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1232         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1233                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1234         }
1235         $self->deindent;
1236         $self->pidl("} else {");
1237         $self->pidl("\t$var_name = NULL;");
1238         $self->pidl("}");
1239 }
1240
1241 sub ParseStructPushPrimitives($$$$$)
1242 {
1243         my ($self, $struct, $ndr, $varname, $env) = @_;
1244
1245         # see if the structure contains a conformant array. If it
1246         # does, then it must be the last element of the structure, and
1247         # we need to push the conformant length early, as it fits on
1248         # the wire before the structure (and even before the structure
1249         # alignment)
1250         if (defined($struct->{SURROUNDING_ELEMENT})) {
1251                 my $e = $struct->{SURROUNDING_ELEMENT};
1252
1253                 if (defined($e->{LEVELS}[0]) and
1254                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1255                         my $size;
1256
1257                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1258                                 if (has_property($e, "charset")) {
1259                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1260                                 } else {
1261                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1262                                 }
1263                         } else {
1264                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1265                         }
1266
1267                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1268                 } else {
1269                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1270                 }
1271         }
1272
1273         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1274
1275         if (defined($struct->{PROPERTIES}{relative_base})) {
1276                 # set the current offset as base for relative pointers
1277                 # and store it based on the toplevel struct/union
1278                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1279         }
1280
1281         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1282
1283         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1284 }
1285
1286 sub ParseStructPushDeferred($$$$)
1287 {
1288         my ($self, $struct, $ndr, $varname, $env) = @_;
1289         if (defined($struct->{PROPERTIES}{relative_base})) {
1290                 # retrieve the current offset as base for relative pointers
1291                 # based on the toplevel struct/union
1292                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1293         }
1294         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1295 }
1296
1297 #####################################################################
1298 # parse a struct
1299 sub ParseStructPush($$$$)
1300 {
1301         my ($self, $struct, $ndr, $varname) = @_;
1302
1303         return unless defined($struct->{ELEMENTS});
1304
1305         my $env = GenerateStructEnv($struct, $varname);
1306
1307         EnvSubstituteValue($env, $struct);
1308
1309         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1310
1311         $self->start_flags($struct, $ndr);
1312
1313         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1314         $self->indent;
1315         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1316         $self->deindent;
1317         $self->pidl("}");
1318
1319         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1320         $self->indent;
1321         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1322         $self->deindent;
1323         $self->pidl("}");
1324
1325         $self->end_flags($struct, $ndr);
1326 }
1327
1328 #####################################################################
1329 # generate a push function for an enum
1330 sub ParseEnumPush($$$$)
1331 {
1332         my($self,$enum,$ndr,$varname) = @_;
1333         my($type_fn) = $enum->{BASE_TYPE};
1334
1335         $self->start_flags($enum, $ndr);
1336         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1337         $self->end_flags($enum, $ndr);
1338 }
1339
1340 #####################################################################
1341 # generate a pull function for an enum
1342 sub ParseEnumPull($$$$)
1343 {
1344         my($self,$enum,$ndr,$varname) = @_;
1345         my($type_fn) = $enum->{BASE_TYPE};
1346         my($type_v_decl) = mapTypeName($type_fn);
1347
1348         $self->pidl("$type_v_decl v;");
1349         $self->start_flags($enum, $ndr);
1350         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1351         $self->pidl("*$varname = v;");
1352
1353         $self->end_flags($enum, $ndr);
1354 }
1355
1356 #####################################################################
1357 # generate a print function for an enum
1358 sub ParseEnumPrint($$$$$)
1359 {
1360         my($self,$enum,$ndr,$name,$varname) = @_;
1361
1362         $self->pidl("const char *val = NULL;");
1363         $self->pidl("");
1364
1365         $self->start_flags($enum, $ndr);
1366
1367         $self->pidl("switch ($varname) {");
1368         $self->indent;
1369         my $els = \@{$enum->{ELEMENTS}};
1370         foreach my $i (0 .. $#{$els}) {
1371                 my $e = ${$els}[$i];
1372                 chomp $e;
1373                 if ($e =~ /^(.*)=/) {
1374                         $e = $1;
1375                 }
1376                 $self->pidl("case $e: val = \"$e\"; break;");
1377         }
1378
1379         $self->deindent;
1380         $self->pidl("}");
1381
1382         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1383
1384         $self->end_flags($enum, $ndr);
1385 }
1386
1387 sub DeclEnum($$$$)
1388 {
1389         my ($e,$t,$name,$varname) = @_;
1390         return "enum $name " .
1391                 ($t eq "pull"?"*":"") . $varname;
1392 }
1393
1394 $typefamily{ENUM} = {
1395         DECL => \&DeclEnum,
1396         PUSH_FN_BODY => \&ParseEnumPush,
1397         PULL_FN_BODY => \&ParseEnumPull,
1398         PRINT_FN_BODY => \&ParseEnumPrint,
1399 };
1400
1401 #####################################################################
1402 # generate a push function for a bitmap
1403 sub ParseBitmapPush($$$$)
1404 {
1405         my($self,$bitmap,$ndr,$varname) = @_;
1406         my($type_fn) = $bitmap->{BASE_TYPE};
1407
1408         $self->start_flags($bitmap, $ndr);
1409
1410         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1411
1412         $self->end_flags($bitmap, $ndr);
1413 }
1414
1415 #####################################################################
1416 # generate a pull function for an bitmap
1417 sub ParseBitmapPull($$$$)
1418 {
1419         my($self,$bitmap,$ndr,$varname) = @_;
1420         my $type_fn = $bitmap->{BASE_TYPE};
1421         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1422
1423         $self->pidl("$type_decl v;");
1424         $self->start_flags($bitmap, $ndr);
1425         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1426         $self->pidl("*$varname = v;");
1427
1428         $self->end_flags($bitmap, $ndr);
1429 }
1430
1431 #####################################################################
1432 # generate a print function for an bitmap
1433 sub ParseBitmapPrintElement($$$$$$)
1434 {
1435         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1436         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1437         my($type_fn) = $bitmap->{BASE_TYPE};
1438         my($flag);
1439
1440         if ($e =~ /^(\w+) .*$/) {
1441                 $flag = "$1";
1442         } else {
1443                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1444         }
1445
1446         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1447 }
1448
1449 #####################################################################
1450 # generate a print function for an bitmap
1451 sub ParseBitmapPrint($$$$$)
1452 {
1453         my($self,$bitmap,$ndr,$name,$varname) = @_;
1454         my($type_decl) = mapTypeName($bitmap->{TYPE});
1455         my($type_fn) = $bitmap->{BASE_TYPE};
1456
1457         $self->start_flags($bitmap, $ndr);
1458
1459         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1460
1461         $self->pidl("$ndr->depth++;");
1462         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1463                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1464         }
1465         $self->pidl("$ndr->depth--;");
1466
1467         $self->end_flags($bitmap, $ndr);
1468 }
1469
1470 sub DeclBitmap($$$$)
1471 {
1472         my ($e,$t,$name,$varname) = @_;
1473         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1474                 ($t eq "pull"?" *":" ") . $varname;
1475 }
1476
1477 $typefamily{BITMAP} = {
1478         DECL => \&DeclBitmap,
1479         PUSH_FN_BODY => \&ParseBitmapPush,
1480         PULL_FN_BODY => \&ParseBitmapPull,
1481         PRINT_FN_BODY => \&ParseBitmapPrint,
1482 };
1483
1484 #####################################################################
1485 # generate a struct print function
1486 sub ParseStructPrint($$$$$)
1487 {
1488         my($self,$struct,$ndr,$name,$varname) = @_;
1489
1490         return unless defined $struct->{ELEMENTS};
1491
1492         my $env = GenerateStructEnv($struct, $varname);
1493
1494         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1495
1496         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1497         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1498
1499         $self->start_flags($struct, $ndr);
1500
1501         $self->pidl("$ndr->depth++;");
1502
1503         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1504                 foreach (@{$struct->{ELEMENTS}});
1505         $self->pidl("$ndr->depth--;");
1506
1507         $self->end_flags($struct, $ndr);
1508 }
1509
1510 sub DeclarePtrVariables($$)
1511 {
1512         my ($self,$e) = @_;
1513         foreach my $l (@{$e->{LEVELS}}) {
1514                 my $size = 32;
1515                 if ($l->{TYPE} eq "POINTER" and
1516                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1517                         if ($l->{POINTER_TYPE} eq "relative_short") {
1518                                 $size = 16;
1519                         }
1520                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1521                         last;
1522                 }
1523         }
1524 }
1525
1526 sub DeclareArrayVariables($$)
1527 {
1528         my ($self,$e) = @_;
1529
1530         foreach my $l (@{$e->{LEVELS}}) {
1531                 next if has_fast_array($e,$l);
1532                 next if is_charset_array($e,$l);
1533                 if ($l->{TYPE} eq "ARRAY") {
1534                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1535                 }
1536         }
1537 }
1538
1539 sub DeclareArrayVariablesNoZero($$$)
1540 {
1541         my ($self,$e,$env) = @_;
1542
1543         foreach my $l (@{$e->{LEVELS}}) {
1544                 next if has_fast_array($e,$l);
1545                 next if is_charset_array($e,$l);
1546                 if ($l->{TYPE} eq "ARRAY") {
1547                     my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1548                     if ($length eq "0") {
1549                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1550                     } else {
1551                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1552                     }
1553                 }
1554         }
1555 }
1556
1557 sub DeclareMemCtxVariables($$)
1558 {
1559         my ($self,$e) = @_;
1560         foreach my $l (@{$e->{LEVELS}}) {
1561                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1562                 if (defined($mem_flags)) {
1563                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1564                 }
1565         }
1566 }
1567
1568 sub ParseStructPullPrimitives($$$$$)
1569 {
1570         my($self,$struct,$ndr,$varname,$env) = @_;
1571
1572         if (defined $struct->{SURROUNDING_ELEMENT}) {
1573                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1574         }
1575
1576         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1577
1578         if (defined($struct->{PROPERTIES}{relative_base})) {
1579                 # set the current offset as base for relative pointers
1580                 # and store it based on the toplevel struct/union
1581                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1582         }
1583
1584         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1585
1586         $self->add_deferred();
1587
1588         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1589 }
1590
1591 sub ParseStructPullDeferred($$$$$)
1592 {
1593         my ($self,$struct,$ndr,$varname,$env) = @_;
1594
1595         if (defined($struct->{PROPERTIES}{relative_base})) {
1596                 # retrieve the current offset as base for relative pointers
1597                 # based on the toplevel struct/union
1598                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1599         }
1600         foreach my $e (@{$struct->{ELEMENTS}}) {
1601                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1602         }
1603
1604         $self->add_deferred();
1605 }
1606
1607 #####################################################################
1608 # parse a struct - pull side
1609 sub ParseStructPull($$$$)
1610 {
1611         my($self,$struct,$ndr,$varname) = @_;
1612
1613         return unless defined $struct->{ELEMENTS};
1614
1615         # declare any internal pointers we need
1616         foreach my $e (@{$struct->{ELEMENTS}}) {
1617                 $self->DeclarePtrVariables($e);
1618                 $self->DeclareArrayVariables($e);
1619                 $self->DeclareMemCtxVariables($e);
1620         }
1621
1622         $self->start_flags($struct, $ndr);
1623
1624         my $env = GenerateStructEnv($struct, $varname);
1625
1626         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1627         $self->indent;
1628         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1629         $self->deindent;
1630         $self->pidl("}");
1631         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1632         $self->indent;
1633         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1634         $self->deindent;
1635         $self->pidl("}");
1636
1637         $self->end_flags($struct, $ndr);
1638 }
1639
1640 #####################################################################
1641 # calculate size of ndr struct
1642 sub ParseStructNdrSize($$$$)
1643 {
1644         my ($self,$t, $name, $varname) = @_;
1645         my $sizevar;
1646
1647         if (my $flags = has_property($t, "flag")) {
1648                 $self->pidl("flags |= $flags;");
1649         }
1650         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1651 }
1652
1653 sub DeclStruct($$$$)
1654 {
1655         my ($e,$t,$name,$varname) = @_;
1656         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1657 }
1658
1659 sub ArgsStructNdrSize($$$)
1660 {
1661         my ($d, $name, $varname) = @_;
1662         return "const struct $name *$varname, int flags";
1663 }
1664
1665 $typefamily{STRUCT} = {
1666         PUSH_FN_BODY => \&ParseStructPush,
1667         DECL => \&DeclStruct,
1668         PULL_FN_BODY => \&ParseStructPull,
1669         PRINT_FN_BODY => \&ParseStructPrint,
1670         SIZE_FN_BODY => \&ParseStructNdrSize,
1671         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1672 };
1673
1674 #####################################################################
1675 # calculate size of ndr struct
1676 sub ParseUnionNdrSize($$$)
1677 {
1678         my ($self, $t, $name, $varname) = @_;
1679         my $sizevar;
1680
1681         if (my $flags = has_property($t, "flag")) {
1682                 $self->pidl("flags |= $flags;");
1683         }
1684
1685         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1686 }
1687
1688 sub ParseUnionPushPrimitives($$$$)
1689 {
1690         my ($self, $e, $ndr ,$varname) = @_;
1691
1692         my $have_default = 0;
1693
1694         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1695
1696         if (defined($e->{SWITCH_TYPE})) {
1697                 if (defined($e->{ALIGN})) {
1698                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1699                 }
1700
1701                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1702         }
1703
1704         if (defined($e->{ALIGN})) {
1705                 if ($e->{IS_MS_UNION}) {
1706                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1707                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1708                 } else {
1709                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1710                 }
1711         }
1712
1713         $self->pidl("switch (level) {");
1714         $self->indent;
1715         foreach my $el (@{$e->{ELEMENTS}}) {
1716                 if ($el->{CASE} eq "default") {
1717                         $have_default = 1;
1718                 }
1719                 $self->pidl("$el->{CASE}: {");
1720
1721                 if ($el->{TYPE} ne "EMPTY") {
1722                         $self->indent;
1723                         if (defined($e->{PROPERTIES}{relative_base})) {
1724                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1725                                 # set the current offset as base for relative pointers
1726                                 # and store it based on the toplevel struct/union
1727                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1728                         }
1729                         $self->DeclareArrayVariables($el);
1730                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1731                         $self->deindent;
1732                 }
1733                 $self->pidl("break; }");
1734                 $self->pidl("");
1735         }
1736         if (! $have_default) {
1737                 $self->pidl("default:");
1738                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1739         }
1740         $self->deindent;
1741         $self->pidl("}");
1742 }
1743
1744 sub ParseUnionPushDeferred($$$$)
1745 {
1746         my ($self,$e,$ndr,$varname) = @_;
1747
1748         my $have_default = 0;
1749
1750         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1751         if (defined($e->{PROPERTIES}{relative_base})) {
1752                 # retrieve the current offset as base for relative pointers
1753                 # based on the toplevel struct/union
1754                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1755         }
1756         $self->pidl("switch (level) {");
1757         $self->indent;
1758         foreach my $el (@{$e->{ELEMENTS}}) {
1759                 if ($el->{CASE} eq "default") {
1760                         $have_default = 1;
1761                 }
1762
1763                 $self->pidl("$el->{CASE}:");
1764                 if ($el->{TYPE} ne "EMPTY") {
1765                         $self->indent;
1766                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1767                         $self->deindent;
1768                 }
1769                 $self->pidl("break;");
1770                 $self->pidl("");
1771         }
1772         if (! $have_default) {
1773                 $self->pidl("default:");
1774                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1775         }
1776         $self->deindent;
1777         $self->pidl("}");
1778 }
1779
1780 #####################################################################
1781 # parse a union - push side
1782 sub ParseUnionPush($$$$)
1783 {
1784         my ($self,$e,$ndr,$varname) = @_;
1785         my $have_default = 0;
1786
1787         $self->start_flags($e, $ndr);
1788
1789         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1790         $self->indent;
1791         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1792         $self->deindent;
1793         $self->pidl("}");
1794         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1795         $self->indent;
1796         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1797         $self->deindent;
1798         $self->pidl("}");
1799         $self->end_flags($e, $ndr);
1800 }
1801
1802 #####################################################################
1803 # print a union
1804 sub ParseUnionPrint($$$$$)
1805 {
1806         my ($self,$e,$ndr,$name,$varname) = @_;
1807         my $have_default = 0;
1808
1809         $self->pidl("uint32_t level;");
1810         foreach my $el (@{$e->{ELEMENTS}}) {
1811                 $self->DeclareArrayVariables($el);
1812         }
1813
1814         $self->start_flags($e, $ndr);
1815
1816         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1817
1818         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1819
1820         $self->pidl("switch (level) {");
1821         $self->indent;
1822         foreach my $el (@{$e->{ELEMENTS}}) {
1823                 if ($el->{CASE} eq "default") {
1824                         $have_default = 1;
1825                 }
1826                 $self->pidl("$el->{CASE}:");
1827                 if ($el->{TYPE} ne "EMPTY") {
1828                         $self->indent;
1829                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1830                         $self->deindent;
1831                 }
1832                 $self->pidl("break;");
1833                 $self->pidl("");
1834         }
1835         if (! $have_default) {
1836                 $self->pidl("default:");
1837                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1838         }
1839         $self->deindent;
1840         $self->pidl("}");
1841
1842         $self->end_flags($e, $ndr);
1843 }
1844
1845 sub ParseUnionPullPrimitives($$$$$)
1846 {
1847         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1848         my $have_default = 0;
1849
1850
1851         if (defined($switch_type)) {
1852                 if (defined($e->{ALIGN})) {
1853                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1854                 }
1855
1856                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1857                 $self->pidl("if (_level != level) {");
1858                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1859                 $self->pidl("}");
1860         }
1861
1862         if (defined($e->{ALIGN})) {
1863                 if ($e->{IS_MS_UNION}) {
1864                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1865                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1866                 } else {
1867                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1868                 }
1869         }
1870
1871         $self->pidl("switch (level) {");
1872         $self->indent;
1873         foreach my $el (@{$e->{ELEMENTS}}) {
1874                 if ($el->{CASE} eq "default") {
1875                         $have_default = 1;
1876                 }
1877                 $self->pidl("$el->{CASE}: {");
1878
1879                 if ($el->{TYPE} ne "EMPTY") {
1880                         $self->indent;
1881                         $self->DeclarePtrVariables($el);
1882                         $self->DeclareArrayVariables($el);
1883                         if (defined($e->{PROPERTIES}{relative_base})) {
1884                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1885                                 # set the current offset as base for relative pointers
1886                                 # and store it based on the toplevel struct/union
1887                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1888                         }
1889                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1890                         $self->deindent;
1891                 }
1892                 $self->pidl("break; }");
1893                 $self->pidl("");
1894         }
1895         if (! $have_default) {
1896                 $self->pidl("default:");
1897                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1898         }
1899         $self->deindent;
1900         $self->pidl("}");
1901 }
1902
1903 sub ParseUnionPullDeferred($$$$)
1904 {
1905         my ($self,$e,$ndr,$varname) = @_;
1906         my $have_default = 0;
1907
1908         if (defined($e->{PROPERTIES}{relative_base})) {
1909                 # retrieve the current offset as base for relative pointers
1910                 # based on the toplevel struct/union
1911                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1912         }
1913         $self->pidl("switch (level) {");
1914         $self->indent;
1915         foreach my $el (@{$e->{ELEMENTS}}) {
1916                 if ($el->{CASE} eq "default") {
1917                         $have_default = 1;
1918                 }
1919
1920                 $self->pidl("$el->{CASE}:");
1921                 if ($el->{TYPE} ne "EMPTY") {
1922                         $self->indent;
1923                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1924                         $self->deindent;
1925                 }
1926                 $self->pidl("break;");
1927                 $self->pidl("");
1928         }
1929         if (! $have_default) {
1930                 $self->pidl("default:");
1931                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1932         }
1933         $self->deindent;
1934         $self->pidl("}");
1935
1936
1937 }
1938
1939 #####################################################################
1940 # parse a union - pull side
1941 sub ParseUnionPull($$$$)
1942 {
1943         my ($self,$e,$ndr,$varname) = @_;
1944         my $switch_type = $e->{SWITCH_TYPE};
1945
1946         $self->pidl("uint32_t level;");
1947         if (defined($switch_type)) {
1948                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1949                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1950                 }
1951                 $self->pidl(mapTypeName($switch_type) . " _level;");
1952         }
1953
1954         my %double_cases = ();
1955         foreach my $el (@{$e->{ELEMENTS}}) {
1956                 next if ($el->{TYPE} eq "EMPTY");
1957                 next if ($double_cases{"$el->{NAME}"});
1958                 $self->DeclareMemCtxVariables($el);
1959                 $double_cases{"$el->{NAME}"} = 1;
1960         }
1961
1962         $self->start_flags($e, $ndr);
1963
1964         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
1965
1966         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1967         $self->indent;
1968         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
1969         $self->deindent;
1970         $self->pidl("}");
1971
1972         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1973         $self->indent;
1974         $self->ParseUnionPullDeferred($e,$ndr,$varname);
1975         $self->deindent;
1976         $self->pidl("}");
1977
1978         $self->add_deferred();
1979
1980         $self->end_flags($e, $ndr);
1981 }
1982
1983 sub DeclUnion($$$$)
1984 {
1985         my ($e,$t,$name,$varname) = @_;
1986         return ($t ne "pull"?"const ":"") . "union $name *$varname";
1987 }
1988
1989 sub ArgsUnionNdrSize($$)
1990 {
1991         my ($d,$name) = @_;
1992         return "const union $name *r, uint32_t level, int flags";
1993 }
1994
1995 $typefamily{UNION} = {
1996         PUSH_FN_BODY => \&ParseUnionPush,
1997         DECL => \&DeclUnion,
1998         PULL_FN_BODY => \&ParseUnionPull,
1999         PRINT_FN_BODY => \&ParseUnionPrint,
2000         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2001         SIZE_FN_BODY => \&ParseUnionNdrSize,
2002 };
2003
2004 #####################################################################
2005 # parse a typedef - push side
2006 sub ParseTypedefPush($$$$)
2007 {
2008         my($self,$e,$ndr,$varname) = @_;
2009
2010         my $env;
2011
2012         $env->{$e->{NAME}} = $varname;
2013
2014         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2015 }
2016
2017 #####################################################################
2018 # parse a typedef - pull side
2019 sub ParseTypedefPull($$$$)
2020 {
2021         my($self,$e,$ndr,$varname) = @_;
2022
2023         my $env;
2024
2025         $env->{$e->{NAME}} = $varname;
2026
2027         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2028 }
2029
2030 #####################################################################
2031 # parse a typedef - print side
2032 sub ParseTypedefPrint($$$$$)
2033 {
2034         my($self,$e,$ndr,$name,$varname) = @_;
2035
2036         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2037 }
2038
2039 #####################################################################
2040 ## calculate the size of a structure
2041 sub ParseTypedefNdrSize($$$$)
2042 {
2043         my($self,$t,$name,$varname) = @_;
2044
2045         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2046 }
2047
2048 sub DeclTypedef($$$$)
2049 {
2050         my ($e, $t, $name, $varname) = @_;
2051
2052         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2053 }
2054
2055 sub ArgsTypedefNdrSize($$$)
2056 {
2057         my ($d, $name, $varname) = @_;
2058         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2059 }
2060
2061 $typefamily{TYPEDEF} = {
2062         PUSH_FN_BODY => \&ParseTypedefPush,
2063         DECL => \&DeclTypedef,
2064         PULL_FN_BODY => \&ParseTypedefPull,
2065         PRINT_FN_BODY => \&ParseTypedefPrint,
2066         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2067         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2068 };
2069
2070 sub ParsePipePushChunk($$)
2071 {
2072         my ($self, $t) = @_;
2073
2074         my $pipe = $t;
2075         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2076         my $struct = $pipe->{DATA};
2077
2078         my $name = "$struct->{NAME}";
2079         my $ndr = "ndr";
2080         my $varname = "r";
2081
2082         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2083
2084         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2085
2086         return if has_property($t, "nopush");
2087
2088         $self->pidl("{");
2089         $self->indent;
2090
2091         $self->ParseStructPush($struct, $ndr, $varname);
2092         $self->pidl("");
2093
2094         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2095         $self->pidl("");
2096
2097         $self->pidl("return NDR_ERR_SUCCESS;");
2098         $self->deindent;
2099         $self->pidl("}");
2100         $self->pidl("");
2101 }
2102
2103 sub ParsePipePullChunk($$)
2104 {
2105         my ($self, $t) = @_;
2106
2107         my $pipe = $t;
2108         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2109         my $struct = $pipe->{DATA};
2110
2111         my $name = "$struct->{NAME}";
2112         my $ndr = "ndr";
2113         my $varname = "r";
2114
2115         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2116
2117         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2118
2119         return if has_property($struct, "nopull");
2120
2121         $self->pidl("{");
2122         $self->indent;
2123
2124         $self->ParseStructPull($struct, $ndr, $varname);
2125         $self->pidl("");
2126
2127         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2128         $self->pidl("");
2129
2130         $self->pidl("return NDR_ERR_SUCCESS;");
2131         $self->deindent;
2132         $self->pidl("}");
2133         $self->pidl("");
2134 }
2135
2136 sub ParsePipePrintChunk($$)
2137 {
2138         my ($self, $t) = @_;
2139
2140         my $pipe = $t;
2141         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2142         my $struct = $pipe->{DATA};
2143
2144         my $name = "$struct->{NAME}";
2145         my $ndr = "ndr";
2146         my $varname = "r";
2147
2148         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2149
2150         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2151
2152         return if (has_property($t, "noprint"));
2153
2154         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2155         $self->pidl("{");
2156         $self->indent;
2157         $self->ParseTypePrint($struct, $ndr, $varname);
2158         $self->deindent;
2159         $self->pidl("}");
2160         $self->pidl("");
2161 }
2162
2163 #####################################################################
2164 # parse a function - print side
2165 sub ParseFunctionPrint($$)
2166 {
2167         my($self, $fn) = @_;
2168         my $ndr = "ndr";
2169
2170         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2171
2172         return if has_property($fn, "noprint");
2173
2174         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2175         $self->pidl("{");
2176         $self->indent;
2177
2178         foreach my $e (@{$fn->{ELEMENTS}}) {
2179                 $self->DeclareArrayVariables($e);
2180         }
2181
2182         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2183         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2184         $self->pidl("$ndr->depth++;");
2185
2186         $self->pidl("if (flags & NDR_SET_VALUES) {");
2187         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2188         $self->pidl("}");
2189
2190         $self->pidl("if (flags & NDR_IN) {");
2191         $self->indent;
2192         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2193         $self->pidl("$ndr->depth++;");
2194
2195         my $env = GenerateFunctionInEnv($fn);
2196
2197         foreach my $e (@{$fn->{ELEMENTS}}) {
2198                 if (grep(/in/,@{$e->{DIRECTION}})) {
2199                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2200                 }
2201         }
2202         $self->pidl("$ndr->depth--;");
2203         $self->deindent;
2204         $self->pidl("}");
2205
2206         $self->pidl("if (flags & NDR_OUT) {");
2207         $self->indent;
2208         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2209         $self->pidl("$ndr->depth++;");
2210
2211         $env = GenerateFunctionOutEnv($fn);
2212         foreach my $e (@{$fn->{ELEMENTS}}) {
2213                 if (grep(/out/,@{$e->{DIRECTION}})) {
2214                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2215                 }
2216         }
2217         if ($fn->{RETURN_TYPE}) {
2218                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2219         }
2220         $self->pidl("$ndr->depth--;");
2221         $self->deindent;
2222         $self->pidl("}");
2223
2224         $self->pidl("$ndr->depth--;");
2225         $self->deindent;
2226         $self->pidl("}");
2227         $self->pidl("");
2228 }
2229
2230 #####################################################################
2231 # parse a function
2232 sub ParseFunctionPush($$)
2233 {
2234         my($self, $fn) = @_;
2235         my $ndr = "ndr";
2236
2237         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2238
2239         return if has_property($fn, "nopush");
2240
2241         $self->pidl("{");
2242         $self->indent;
2243
2244         foreach my $e (@{$fn->{ELEMENTS}}) {
2245                 $self->DeclareArrayVariables($e);
2246         }
2247
2248         $self->pidl("if (flags & NDR_IN) {");
2249         $self->indent;
2250
2251         my $env = GenerateFunctionInEnv($fn);
2252
2253         EnvSubstituteValue($env, $fn);
2254
2255         foreach my $e (@{$fn->{ELEMENTS}}) {
2256                 if (grep(/in/,@{$e->{DIRECTION}})) {
2257                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2258                 }
2259         }
2260
2261         $self->deindent;
2262         $self->pidl("}");
2263
2264         $self->pidl("if (flags & NDR_OUT) {");
2265         $self->indent;
2266
2267         $env = GenerateFunctionOutEnv($fn);
2268         foreach my $e (@{$fn->{ELEMENTS}}) {
2269                 if (grep(/out/,@{$e->{DIRECTION}})) {
2270                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2271                 }
2272         }
2273
2274         if ($fn->{RETURN_TYPE}) {
2275                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2276         }
2277
2278         $self->deindent;
2279         $self->pidl("}");
2280         $self->pidl("return NDR_ERR_SUCCESS;");
2281         $self->deindent;
2282         $self->pidl("}");
2283         $self->pidl("");
2284 }
2285
2286 sub AllocateArrayLevel($$$$$$)
2287 {
2288         my ($self,$e,$l,$ndr,$var,$size) = @_;
2289
2290         my $pl = GetPrevLevel($e, $l);
2291         if (defined($pl) and
2292             $pl->{TYPE} eq "POINTER" and
2293             $pl->{POINTER_TYPE} eq "ref"
2294             and not $l->{IS_ZERO_TERMINATED}) {
2295                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2296                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2297                 $self->pidl("}");
2298                 if (grep(/in/,@{$e->{DIRECTION}}) and
2299                     grep(/out/,@{$e->{DIRECTION}})) {
2300                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2301                 }
2302                 return;
2303         }
2304
2305         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2306 }
2307
2308 #####################################################################
2309 # parse a function
2310 sub ParseFunctionPull($$)
2311 {
2312         my($self,$fn) = @_;
2313         my $ndr = "ndr";
2314
2315         # pull function args
2316         $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;
2317
2318         $self->pidl("{");
2319         $self->indent;
2320
2321         # declare any internal pointers we need
2322         foreach my $e (@{$fn->{ELEMENTS}}) {
2323                 $self->DeclarePtrVariables($e);
2324                 $self->DeclareArrayVariables($e);
2325         }
2326
2327         my %double_cases = ();
2328         foreach my $e (@{$fn->{ELEMENTS}}) {
2329                 next if ($e->{TYPE} eq "EMPTY");
2330                 next if ($double_cases{"$e->{NAME}"});
2331                 $self->DeclareMemCtxVariables($e);
2332                 $double_cases{"$e->{NAME}"} = 1;
2333         }
2334
2335         $self->pidl("if (flags & NDR_IN) {");
2336         $self->indent;
2337
2338         # auto-init the out section of a structure. I originally argued that
2339         # this was a bad idea as it hides bugs, but coping correctly
2340         # with initialisation and not wiping ref vars is turning
2341         # out to be too tricky (tridge)
2342         foreach my $e (@{$fn->{ELEMENTS}}) {
2343                 next unless grep(/out/, @{$e->{DIRECTION}});
2344                 $self->pidl("ZERO_STRUCT(r->out);");
2345                 $self->pidl("");
2346                 last;
2347         }
2348
2349         my $env = GenerateFunctionInEnv($fn);
2350
2351         foreach my $e (@{$fn->{ELEMENTS}}) {
2352                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2353                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2354         }
2355
2356         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2357         # own flag rather than be in NDR_IN ?
2358
2359         foreach my $e (@{$fn->{ELEMENTS}}) {
2360                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2361                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2362                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2363                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2364                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2365                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2366                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2367                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2368
2369                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2370                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2371                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2372                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2373                                 check_fully_dereferenced($e, $env));
2374                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2375
2376                         if (grep(/in/, @{$e->{DIRECTION}})) {
2377                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2378                         } else {
2379                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2380                         }
2381                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2382                         if (grep(/in/, @{$e->{DIRECTION}})) {
2383                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2384                         } else {
2385                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2386                         }
2387                 } else {
2388                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2389
2390                         if (grep(/in/, @{$e->{DIRECTION}})) {
2391                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2392                         } else {
2393                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2394                         }
2395                 }
2396         }
2397
2398         $self->add_deferred();
2399         $self->deindent;
2400         $self->pidl("}");
2401
2402         $self->pidl("if (flags & NDR_OUT) {");
2403         $self->indent;
2404
2405         $env = GenerateFunctionOutEnv($fn);
2406         foreach my $e (@{$fn->{ELEMENTS}}) {
2407                 next unless grep(/out/, @{$e->{DIRECTION}});
2408                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2409         }
2410
2411         if ($fn->{RETURN_TYPE}) {
2412                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2413         }
2414
2415         $self->add_deferred();
2416         $self->deindent;
2417         $self->pidl("}");
2418
2419         $self->pidl("return NDR_ERR_SUCCESS;");
2420         $self->deindent;
2421         $self->pidl("}");
2422         $self->pidl("");
2423 }
2424
2425 sub AuthServiceStruct($$$)
2426 {
2427         my ($self, $ifacename, $authservice) = @_;
2428         my @a = split /,/, $authservice;
2429         my $authservice_count = $#a + 1;
2430
2431         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2432         foreach my $ap (@a) {
2433                 $self->pidl("\t$ap, ");
2434         }
2435         $self->pidl("};");
2436         $self->pidl("");
2437
2438         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2439         $self->pidl("\t.count\t= $authservice_count,");
2440         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2441         $self->pidl("};");
2442         $self->pidl("");
2443 }
2444
2445 sub ParseGeneratePipeArray($$$)
2446 {
2447         my ($self, $fn, $direction) = @_;
2448
2449         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2450         $self->indent;
2451
2452         foreach my $e (@{$fn->{ELEMENTS}}) {
2453                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2454                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2455
2456                 my $cname = "$e->{TYPE}_chunk";
2457
2458                 $self->pidl("{");
2459                 $self->indent;
2460                 $self->pidl("\"$direction.$e->{NAME}\",");
2461                 $self->pidl("\"$cname\",");
2462                 $self->pidl("sizeof(struct $cname),");
2463                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2464                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2465                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2466                 $self->deindent;
2467                 $self->pidl("},");
2468         }
2469         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2470         $self->deindent;
2471         $self->pidl("};");
2472         $self->pidl("");
2473 }
2474
2475 sub FunctionCallPipes($$)
2476 {
2477         my ($self, $d) = @_;
2478         return if not defined($d->{OPNUM});
2479
2480         my $in_pipes = 0;
2481         my $out_pipes = 0;
2482
2483         foreach my $e (@{$d->{ELEMENTS}}) {
2484                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2485
2486                 if (grep(/in/, @{$e->{DIRECTION}})) {
2487                         $in_pipes++;
2488                 }
2489                 if (grep(/out/, @{$e->{DIRECTION}})) {
2490                         $out_pipes++;
2491                 }
2492         }
2493
2494         if ($in_pipes) {
2495                 $self->ParseGeneratePipeArray($d, "in");
2496         }
2497
2498         if ($out_pipes) {
2499                 $self->ParseGeneratePipeArray($d, "out");
2500         }
2501 }
2502
2503 sub FunctionCallEntry($$)
2504 {
2505         my ($self, $d) = @_;
2506         return 0 if not defined($d->{OPNUM});
2507
2508         my $in_pipes = 0;
2509         my $out_pipes = 0;
2510
2511         foreach my $e (@{$d->{ELEMENTS}}) {
2512                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2513
2514                 if (grep(/in/, @{$e->{DIRECTION}})) {
2515                         $in_pipes++;
2516                 }
2517                 if (grep(/out/, @{$e->{DIRECTION}})) {
2518                         $out_pipes++;
2519                 }
2520         }
2521
2522         my $in_pipes_ptr = "NULL";
2523         my $out_pipes_ptr = "NULL";
2524
2525         if ($in_pipes) {
2526                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2527         }
2528
2529         if ($out_pipes) {
2530                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2531         }
2532
2533         $self->pidl("\t{");
2534         $self->pidl("\t\t\"$d->{NAME}\",");
2535         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2536         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2537         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2538         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2539         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2540         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2541         $self->pidl("\t},");
2542         return 1;
2543 }
2544
2545 #####################################################################
2546 # produce a function call table
2547 sub FunctionTable($$)
2548 {
2549         my($self,$interface) = @_;
2550         my $count = 0;
2551         my $uname = uc $interface->{NAME};
2552
2553         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2554         return unless defined ($interface->{PROPERTIES}->{uuid});
2555
2556         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2557                 $self->FunctionCallPipes($d);
2558         }
2559
2560         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2561
2562         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2563                 $count += $self->FunctionCallEntry($d);
2564         }
2565         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2566         $self->pidl("};");
2567         $self->pidl("");
2568
2569         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2570         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2571                 $self->pidl("\t$ep, ");
2572         }
2573         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2574
2575         $self->pidl("};");
2576         $self->pidl("");
2577
2578         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2579         $self->pidl("\t.count\t= $endpoint_count,");
2580         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2581         $self->pidl("};");
2582         $self->pidl("");
2583
2584         if (! defined $interface->{PROPERTIES}->{authservice}) {
2585                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2586         }
2587
2588         $self->AuthServiceStruct($interface->{NAME},
2589                                      $interface->{PROPERTIES}->{authservice});
2590
2591         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2592         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2593         $self->pidl("\t.syntax_id\t= {");
2594         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2595         $self->pidl("\t\tNDR_$uname\_VERSION");
2596         $self->pidl("\t},");
2597         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2598         $self->pidl("\t.num_calls\t= $count,");
2599         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2600         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2601         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2602         $self->pidl("};");
2603         $self->pidl("");
2604
2605 }
2606
2607 #####################################################################
2608 # generate include statements for imported idl files
2609 sub HeaderImport
2610 {
2611         my $self = shift;
2612         my @imports = @_;
2613         foreach (@imports) {
2614                 $_ = unmake_str($_);
2615                 s/\.idl$//;
2616                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2617         }
2618 }
2619
2620 #####################################################################
2621 # generate include statements for included header files
2622 sub HeaderInclude
2623 {
2624         my $self = shift;
2625         my @includes = @_;
2626         foreach (@includes) {
2627                 $self->pidl_hdr("#include $_");
2628         }
2629 }
2630
2631 #####################################################################
2632 # generate prototypes and defines for the interface definitions
2633 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2634 # NDR parser and so do not belong here, technically speaking
2635 sub HeaderInterface($$$)
2636 {
2637         my($self,$interface,$needed) = @_;
2638
2639         my $count = 0;
2640
2641         if ($needed->{"compression"}) {
2642                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2643         }
2644
2645         if (has_property($interface, "object")) {
2646                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2647         }
2648
2649         if (defined $interface->{PROPERTIES}->{helper}) {
2650                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2651         }
2652
2653         if (defined $interface->{PROPERTIES}->{uuid}) {
2654                 my $name = uc $interface->{NAME};
2655                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2656                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid})));
2657
2658                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2659                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{PROPERTIES}->{version}");
2660
2661                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2662
2663                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2664                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2665
2666                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2667         }
2668
2669         foreach (@{$interface->{FUNCTIONS}}) {
2670                 next if has_property($_, "noopnum");
2671                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2672                 my $u_name = uc $_->{NAME};
2673
2674                 my $val = sprintf("0x%02x", $count);
2675                 if (defined($interface->{BASE})) {
2676                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2677                 }
2678
2679                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2680
2681                 $self->pidl_hdr("");
2682                 $count++;
2683         }
2684
2685         my $val = $count;
2686
2687         if (defined($interface->{BASE})) {
2688                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2689         }
2690
2691         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2692
2693 }
2694
2695 sub ParseTypePush($$$$$$)
2696 {
2697         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2698
2699         # save the old relative_base_offset
2700         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2701         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2702         # restore the old relative_base_offset
2703         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2704 }
2705
2706 sub ParseTypePushFunction($$$)
2707 {
2708         my ($self, $e, $varname) = @_;
2709         my $ndr = "ndr";
2710
2711         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2712
2713         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2714
2715         $self->pidl("{");
2716         $self->indent;
2717         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2718         $self->pidl("return NDR_ERR_SUCCESS;");
2719         $self->deindent;
2720         $self->pidl("}");
2721         $self->pidl("");;
2722 }
2723
2724 sub ParseTypePull($$$$$$)
2725 {
2726         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2727
2728         # save the old relative_base_offset
2729         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2730         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2731         # restore the old relative_base_offset
2732         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2733 }
2734
2735 sub ParseTypePullFunction($$)
2736 {
2737         my ($self, $e, $varname) = @_;
2738         my $ndr = "ndr";
2739
2740         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2741
2742         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2743
2744         $self->pidl("{");
2745         $self->indent;
2746         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2747         $self->pidl("return NDR_ERR_SUCCESS;");
2748         $self->deindent;
2749         $self->pidl("}");
2750         $self->pidl("");
2751 }
2752
2753 sub ParseTypePrint($$$$)
2754 {
2755         my ($self, $e, $ndr, $varname) = @_;
2756
2757         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2758 }
2759
2760 sub ParseTypePrintFunction($$$)
2761 {
2762         my ($self, $e, $varname) = @_;
2763         my $ndr = "ndr";
2764
2765         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2766
2767         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2768
2769         return if (has_property($e, "noprint"));
2770
2771         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2772         $self->pidl("{");
2773         $self->indent;
2774         $self->ParseTypePrint($e, $ndr, $varname);
2775         $self->deindent;
2776         $self->pidl("}");
2777         $self->pidl("");
2778 }
2779
2780 sub ParseTypeNdrSize($$)
2781 {
2782         my ($self,$t) = @_;
2783
2784         my $varname = "r";
2785         my $tf = $typefamily{$t->{TYPE}};
2786         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2787
2788         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2789
2790         $self->pidl("{");
2791         $self->indent;
2792         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2793         $self->deindent;
2794         $self->pidl("}");
2795         $self->pidl("");
2796 }
2797
2798 #####################################################################
2799 # parse the interface definitions
2800 sub ParseInterface($$$)
2801 {
2802         my($self,$interface,$needed) = @_;
2803
2804         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2805         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2806
2807         $self->pidl_hdr("");
2808
2809         $self->HeaderInterface($interface, $needed);
2810
2811         # Typedefs
2812         foreach my $d (@{$interface->{TYPES}}) {
2813                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2814                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2815                                 $self->ParsePipePushChunk($d);
2816                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2817                                 $self->ParsePipePullChunk($d);
2818                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2819                                 $self->ParsePipePrintChunk($d);
2820
2821                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2822                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2823                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2824                         next;
2825                 }
2826
2827                 next unless(typeHasBody($d));
2828
2829                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2830                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2831                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2832
2833                 # Make sure we don't generate a function twice...
2834                 $needed->{TypeFunctionName("ndr_push", $d)} =
2835                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2836                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2837
2838                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2839         }
2840
2841         # Functions
2842         foreach my $d (@{$interface->{FUNCTIONS}}) {
2843                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2844                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2845                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2846         }
2847
2848         $self->FunctionTable($interface);
2849
2850         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2851 }
2852
2853 sub GenerateIncludes($)
2854 {
2855         my ($self) = @_;
2856         if (is_intree()) {
2857                 $self->pidl("#include \"includes.h\"");
2858         } else {
2859                 $self->pidl("#ifndef _GNU_SOURCE");
2860                 $self->pidl("#define _GNU_SOURCE");
2861                 $self->pidl("#endif");
2862                 $self->pidl("#include <stdint.h>");
2863                 $self->pidl("#include <stdlib.h>");
2864                 $self->pidl("#include <stdio.h>");
2865                 $self->pidl("#include <stdbool.h>");
2866                 $self->pidl("#include <stdarg.h>");
2867                 $self->pidl("#include <string.h>");
2868         }
2869 }
2870
2871 #####################################################################
2872 # parse a parsed IDL structure back into an IDL file
2873 sub Parse($$$$)
2874 {
2875         my($self, $ndr,$gen_header,$ndr_header) = @_;
2876
2877         $self->pidl_hdr("/* header auto-generated by pidl */");
2878         $self->pidl_hdr("");
2879         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2880         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2881         $self->pidl_hdr("");
2882
2883         $self->pidl("/* parser auto-generated by pidl */");
2884         $self->pidl("");
2885         $self->GenerateIncludes();
2886         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2887         $self->pidl("");
2888
2889         my %needed = ();
2890
2891         foreach (@{$ndr}) {
2892                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2893         }
2894
2895         foreach (@{$ndr}) {
2896                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2897                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2898                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2899         }
2900
2901         return ($self->{res_hdr}, $self->{res});
2902 }
2903
2904 sub NeededElement($$$)
2905 {
2906         my ($e, $dir, $needed) = @_;
2907
2908         return if ($e->{TYPE} eq "EMPTY");
2909
2910         return if (ref($e->{TYPE}) eq "HASH" and
2911                        not defined($e->{TYPE}->{NAME}));
2912
2913         my ($t, $rt);
2914         if (ref($e->{TYPE}) eq "HASH") {
2915                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2916         } else {
2917                 $t = $e->{TYPE};
2918         }
2919
2920         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2921                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2922         } else {
2923                 $rt = $e->{REPRESENTATION_TYPE};
2924         }
2925
2926         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2927
2928         my @fn = ();
2929         if ($dir eq "print") {
2930                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2931         } elsif ($dir eq "pull") {
2932                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2933                 push (@fn, "ndr_$t\_to_$rt")
2934                         if ($rt ne $t);
2935         } elsif ($dir eq "push") {
2936                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
2937                 push (@fn, "ndr_$rt\_to_$t")
2938                         if ($rt ne $t);
2939         } else {
2940                 die("invalid direction `$dir'");
2941         }
2942
2943         foreach (@fn) {
2944                 unless (defined($needed->{$_})) {
2945                         $needed->{$_} = 1;
2946                 }
2947         }
2948 }
2949
2950 sub NeededFunction($$)
2951 {
2952         my ($fn,$needed) = @_;
2953         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
2954         $needed->{"ndr_push_$fn->{NAME}"} = 1;
2955         $needed->{"ndr_print_$fn->{NAME}"} = 1;
2956         foreach my $e (@{$fn->{ELEMENTS}}) {
2957                 $e->{PARENT} = $fn;
2958                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
2959         }
2960 }
2961
2962 sub NeededType($$$)
2963 {
2964         sub NeededType($$$);
2965         my ($t,$needed,$req) = @_;
2966
2967         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
2968         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
2969
2970         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
2971                 return unless defined($t->{ELEMENTS});
2972                 for my $e (@{$t->{ELEMENTS}}) {
2973                         $e->{PARENT} = $t;
2974                         if (has_property($e, "compression")) {
2975                                 $needed->{"compression"} = 1;
2976                         }
2977                         NeededElement($e, $req, $needed);
2978                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
2979                 }
2980         }
2981 }
2982
2983 #####################################################################
2984 # work out what parse functions are needed
2985 sub NeededInterface($$)
2986 {
2987         my ($interface,$needed) = @_;
2988         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
2989         foreach (reverse @{$interface->{TYPES}}) {
2990
2991                 if (has_property($_, "public")) {
2992                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
2993                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
2994                 }
2995
2996                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
2997                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
2998                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
2999                 if (has_property($_, "gensize")) {
3000                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3001                 }
3002         }
3003 }
3004
3005 sub TypeFunctionName($$)
3006 {
3007         my ($prefix, $t) = @_;
3008
3009         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3010                         $t->{TYPE} eq "TYPEDEF");
3011         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3012         return "$prefix\_$t";
3013 }
3014
3015 1;