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

   1 ###################################################
   2 # Samba4 NDR parser generator for IDL structures
   3 # Copyright tridge@samba.org 2000-2003
   4 # Copyright tpot@samba.org 2001
   5 # Copyright jelmer@samba.org 2004-2006
   6 # released under the GNU GPL
   7
   8 package Parse::Pidl::Samba4::NDR::Parser;
   9
  10 require Exporter;
  11 @ISA = qw(Exporter);
  12 @EXPORT_OK = qw(check_null_pointer NeededFunction NeededElement NeededType $res NeededInterface TypeFunctionName ParseElementPrint);
  13
  14 use strict;
  15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
  16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
  17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
  18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
  19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
  20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  21 use Parse::Pidl qw(warning);
  22
  23 use vars qw($VERSION);
  24 $VERSION = '0.01';
  25
  26 # list of known types
  27 my %typefamily;
  28
  29 sub new($$) {
  30         my ($class) = @_;
  31         my $self = { res => "", res_hdr => "", deferred => [], tabs => "", defer_tabs => "" };
  32         bless($self, $class);
  33 }
  34
  35 sub get_typefamily($)
  36 {
  37         my $n = shift;
  38         return $typefamily{$n};
  39 }
  40
  41 sub append_prefix($$)
  42 {
  43         my ($e, $var_name) = @_;
  44         my $pointers = 0;
  45         my $arrays = 0;
  46
  47         foreach my $l (@{$e->{LEVELS}}) {
  48                 if ($l->{TYPE} eq "POINTER") {
  49                         $pointers++;
  50                 } elsif ($l->{TYPE} eq "ARRAY") {
  51                         $arrays++;
  52                         if (($pointers == 0) and
  53                             (not $l->{IS_FIXED}) and
  54                             (not $l->{IS_INLINE})) {
  55                                 return get_value_of($var_name);
  56                         }
  57                 } elsif ($l->{TYPE} eq "DATA") {
  58                         if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
  59                                 return get_value_of($var_name) unless ($pointers or $arrays);
  60                         }
  61                 }
  62         }
  63
  64         return $var_name;
  65 }
  66
  67 sub has_fast_array($$)
  68 {
  69         my ($e,$l) = @_;
  70
  71         return 0 if ($l->{TYPE} ne "ARRAY");
  72
  73         my $nl = GetNextLevel($e,$l);
  74         return 0 unless ($nl->{TYPE} eq "DATA");
  75         return 0 unless (hasType($nl->{DATA_TYPE}));
  76
  77         my $t = getType($nl->{DATA_TYPE});
  78
  79         # Only uint8 and string have fast array functions at the moment
  80         return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
  81 }
  82
  83
  84 ####################################
  85 # pidl() is our basic output routine
  86 sub pidl($$)
  87 {
  88         my ($self, $d) = @_;
  89         if ($d) {
  90                 $self->{res} .= $self->{tabs};
  91                 $self->{res} .= $d;
  92         }
  93         $self->{res} .="\n";
  94 }
  95
  96 sub pidl_hdr($$) { my ($self, $d) = @_; $self->{res_hdr} .= "$d\n"; }
  97
  98 ####################################
  99 # defer() is like pidl(), but adds to
 100 # a deferred buffer which is then added to the
 101 # output buffer at the end of the structure/union/function
 102 # This is needed to cope with code that must be pushed back
 103 # to the end of a block of elements
 104 sub defer_indent($) { my ($self) = @_; $self->{defer_tabs}.="\t"; }
 105 sub defer_deindent($) { my ($self) = @_; $self->{defer_tabs}=substr($self->{defer_tabs}, 0, -1); }
 106
 107 sub defer($$)
 108 {
 109         my ($self, $d) = @_;
 110         if ($d) {
 111                 push(@{$self->{deferred}}, $self->{defer_tabs}.$d);
 112         }
 113 }
 114
 115 ########################################
 116 # add the deferred content to the current
 117 # output
 118 sub add_deferred($)
 119 {
 120         my ($self) = @_;
 121         $self->pidl($_) foreach (@{$self->{deferred}});
 122         $self->{deferred} = [];
 123         $self->{defer_tabs} = "";
 124 }
 125
 126 sub indent($)
 127 {
 128         my ($self) = @_;
 129         $self->{tabs} .= "\t";
 130 }
 131
 132 sub deindent($)
 133 {
 134         my ($self) = @_;
 135         $self->{tabs} = substr($self->{tabs}, 0, -1);
 136 }
 137
 138 #####################################################################
 139 # declare a function public or static, depending on its attributes
 140 sub fn_declare($$$$)
 141 {
 142         my ($self,$type,$fn,$decl) = @_;
 143
 144         if (has_property($fn, "no$type")) {
 145                 $self->pidl_hdr("$decl;");
 146                 return 0;
 147         }
 148
 149         if (has_property($fn, "public")) {
 150                 $self->pidl_hdr("$decl;");
 151                 $self->pidl("_PUBLIC_ $decl");
 152         } else {
 153                 $self->pidl("static $decl");
 154         }
 155
 156         return 1;
 157 }
 158
 159 ###################################################################
 160 # setup any special flags for an element or structure
 161 sub start_flags($$$)
 162 {
 163         my ($self, $e, $ndr) = @_;
 164         my $flags = has_property($e, "flag");
 165         if (defined $flags) {
 166                 $self->pidl("{");
 167                 $self->indent;
 168                 $self->pidl("uint32_t _flags_save_$e->{TYPE} = $ndr->flags;");
 169                 $self->pidl("ndr_set_flags(&$ndr->flags, $flags);");
 170         }
 171 }
 172
 173 ###################################################################
 174 # end any special flags for an element or structure
 175 sub end_flags($$$)
 176 {
 177         my ($self, $e, $ndr) = @_;
 178         my $flags = has_property($e, "flag");
 179         if (defined $flags) {
 180                 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
 181                 $self->deindent;
 182                 $self->pidl("}");
 183         }
 184 }
 185
 186 #####################################################################
 187 # parse the data of an array - push side
 188 sub ParseArrayPushHeader($$$$$$)
 189 {
 190         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 191
 192         my $size;
 193         my $length;
 194
 195         if ($l->{IS_ZERO_TERMINATED}) {
 196                 if (has_property($e, "charset")) {
 197                         $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
 198                 } else {
 199                         $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 200                 }
 201         } else {
 202                 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
 203                 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
 204         }
 205
 206         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 207                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
 208         }
 209
 210         if ($l->{IS_VARYING}) {
 211                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));");  # array offset
 212                 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
 213         }
 214
 215         return $length;
 216 }
 217
 218 sub check_fully_dereferenced($$)
 219 {
 220         my ($element, $env) = @_;
 221
 222         return sub ($) {
 223                 my $origvar = shift;
 224                 my $check = 0;
 225
 226                 # Figure out the number of pointers in $ptr
 227                 my $expandedvar = $origvar;
 228                 $expandedvar =~ s/^(\**)//;
 229                 my $ptr = $1;
 230
 231                 my $var = undef;
 232                 foreach (keys %$env) {
 233                         if ($env->{$_} eq $expandedvar) {
 234                                 $var = $_;
 235                                 last;
 236                         }
 237                 }
 238
 239                 return($origvar) unless (defined($var));
 240                 my $e;
 241                 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 242                         if ($_->{NAME} eq $var) {
 243                                 $e = $_;
 244                                 last;
 245                         }
 246                 }
 247
 248                 $e or die("Environment doesn't match siblings");
 249
 250                 # See if pointer at pointer level $level
 251                 # needs to be checked.
 252                 my $nump = 0;
 253                 foreach (@{$e->{LEVELS}}) {
 254                         if ($_->{TYPE} eq "POINTER") {
 255                                 $nump = $_->{POINTER_INDEX}+1;
 256                         }
 257                 }
 258                 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
 259                 return ($origvar);
 260         }
 261 }
 262
 263 sub check_null_pointer($$$$)
 264 {
 265         my ($element, $env, $print_fn, $return) = @_;
 266
 267         return sub ($) {
 268                 my $expandedvar = shift;
 269                 my $check = 0;
 270
 271                 # Figure out the number of pointers in $ptr
 272                 $expandedvar =~ s/^(\**)//;
 273                 my $ptr = $1;
 274
 275                 my $var = undef;
 276                 foreach (keys %$env) {
 277                         if ($env->{$_} eq $expandedvar) {
 278                                 $var = $_;
 279                                 last;
 280                         }
 281                 }
 282
 283                 if (defined($var)) {
 284                         my $e;
 285                         # lookup ptr in $e
 286                         foreach (@{$element->{PARENT}->{ELEMENTS}}) {
 287                                 if ($_->{NAME} eq $var) {
 288                                         $e = $_;
 289                                         last;
 290                                 }
 291                         }
 292
 293                         $e or die("Environment doesn't match siblings");
 294
 295                         # See if pointer at pointer level $level
 296                         # needs to be checked.
 297                         foreach my $l (@{$e->{LEVELS}}) {
 298                                 if ($l->{TYPE} eq "POINTER" and
 299                                         $l->{POINTER_INDEX} == length($ptr)) {
 300                                         # No need to check ref pointers
 301                                         $check = ($l->{POINTER_TYPE} ne "ref");
 302                                         last;
 303                                 }
 304
 305                                 if ($l->{TYPE} eq "DATA") {
 306                                         warning($element, "too much dereferences for `$var'");
 307                                 }
 308                         }
 309                 } else {
 310                         warning($element, "unknown dereferenced expression `$expandedvar'");
 311                         $check = 1;
 312                 }
 313
 314                 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
 315         }
 316 }
 317
 318 sub ParseArrayPullGetSize($$$$$$)
 319 {
 320         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 321
 322         my $size;
 323
 324         if ($l->{IS_CONFORMANT}) {
 325                 $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
 326         } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
 327                 $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
 328         } else {
 329                 $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 330                         check_null_pointer($e, $env, sub { $self->pidl(shift); },
 331                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 332                         check_fully_dereferenced($e, $env));
 333         }
 334
 335         $self->pidl("size_$e->{NAME}_$l->{LEVEL_INDEX} = $size;");
 336         my $array_size = "size_$e->{NAME}_$l->{LEVEL_INDEX}";
 337
 338         if (my $range = has_property($e, "range")) {
 339                 my ($low, $high) = split(/,/, $range, 2);
 340                 if ($low < 0) {
 341                         warning(0, "$low is invalid for the range of an array size");
 342                 }
 343                 if ($low == 0) {
 344                         $self->pidl("if ($array_size > $high) {");
 345                 } else {
 346                         $self->pidl("if ($array_size < $low || $array_size > $high) {");
 347                 }
 348                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 349                 $self->pidl("}");
 350         }
 351
 352         return $array_size;
 353 }
 354
 355 #####################################################################
 356 # parse an array - pull side
 357 sub ParseArrayPullGetLength($$$$$$;$)
 358 {
 359         my ($self,$e,$l,$ndr,$var_name,$env,$array_size) = @_;
 360
 361         if (not defined($array_size)) {
 362                 $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 363         }
 364
 365         if (not $l->{IS_VARYING}) {
 366                 return $array_size;
 367         }
 368
 369         my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
 370         $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
 371         my $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
 372
 373         if (my $range = has_property($e, "range")) {
 374                 my ($low, $high) = split(/,/, $range, 2);
 375                 if ($low < 0) {
 376                         warning(0, "$low is invalid for the range of an array size");
 377                 }
 378                 if ($low == 0) {
 379                         $self->pidl("if ($array_length > $high) {");
 380                 } else {
 381                         $self->pidl("if ($array_length < $low || $array_length > $high) {");
 382                 }
 383                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 384                 $self->pidl("}");
 385         }
 386
 387         return $array_length;
 388 }
 389
 390 #####################################################################
 391 # parse an array - pull side
 392 sub ParseArrayPullHeader($$$$$$)
 393 {
 394         my ($self,$e,$l,$ndr,$var_name,$env) = @_;
 395
 396         if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
 397                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
 398         }
 399
 400         if ($l->{IS_VARYING}) {
 401                 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
 402         }
 403
 404         my $array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
 405         my $array_length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env, $array_size);
 406
 407         if ($array_length ne $array_size) {
 408                 $self->pidl("if ($array_length > $array_size) {");
 409                 $self->indent;
 410                 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $array_size, $array_length);");
 411                 $self->deindent;
 412                 $self->pidl("}");
 413         }
 414
 415         if ($l->{IS_CONFORMANT} and not $l->{IS_ZERO_TERMINATED}) {
 416                 $self->defer("if ($var_name) {");
 417                 $self->defer_indent;
 418                 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
 419                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 420                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
 421                         check_fully_dereferenced($e, $env));
 422                 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
 423                 $self->defer_deindent;
 424                 $self->defer("}");
 425         }
 426
 427         if ($l->{IS_VARYING} and not $l->{IS_ZERO_TERMINATED}) {
 428                 $self->defer("if ($var_name) {");
 429                 $self->defer_indent;
 430                 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 431                         check_null_pointer($e, $env, sub { $self->defer(shift); },
 432                                            "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
 433                         check_fully_dereferenced($e, $env));
 434                 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
 435                 $self->defer_deindent;
 436                 $self->defer("}");
 437         }
 438
 439         if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
 440                 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$array_size);
 441         }
 442
 443         return $array_length;
 444 }
 445
 446 sub compression_alg($$)
 447 {
 448         my ($e, $l) = @_;
 449         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 450
 451         return $alg;
 452 }
 453
 454 sub compression_clen($$$)
 455 {
 456         my ($e, $l, $env) = @_;
 457         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 458
 459         return ParseExpr($clen, $env, $e->{ORIGINAL});
 460 }
 461
 462 sub compression_dlen($$$)
 463 {
 464         my ($e,$l,$env) = @_;
 465         my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
 466
 467         return ParseExpr($dlen, $env, $e->{ORIGINAL});
 468 }
 469
 470 sub ParseCompressionPushStart($$$$$)
 471 {
 472         my ($self,$e,$l,$ndr,$env) = @_;
 473         my $comndr = "$ndr\_compressed";
 474         my $alg = compression_alg($e, $l);
 475         my $dlen = compression_dlen($e, $l, $env);
 476
 477         $self->pidl("{");
 478         $self->indent;
 479         $self->pidl("struct ndr_push *$comndr;");
 480         $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
 481
 482         return $comndr;
 483 }
 484
 485 sub ParseCompressionPushEnd($$$$$)
 486 {
 487         my ($self,$e,$l,$ndr,$env) = @_;
 488         my $comndr = "$ndr\_compressed";
 489         my $alg = compression_alg($e, $l);
 490         my $dlen = compression_dlen($e, $l, $env);
 491
 492         $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
 493         $self->deindent;
 494         $self->pidl("}");
 495 }
 496
 497 sub ParseCompressionPullStart($$$$$)
 498 {
 499         my ($self,$e,$l,$ndr,$env) = @_;
 500         my $comndr = "$ndr\_compressed";
 501         my $alg = compression_alg($e, $l);
 502         my $dlen = compression_dlen($e, $l, $env);
 503
 504         $self->pidl("{");
 505         $self->indent;
 506         $self->pidl("struct ndr_pull *$comndr;");
 507         $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
 508
 509         return $comndr;
 510 }
 511
 512 sub ParseCompressionPullEnd($$$$$)
 513 {
 514         my ($self,$e,$l,$ndr,$env) = @_;
 515         my $comndr = "$ndr\_compressed";
 516         my $alg = compression_alg($e, $l);
 517         my $dlen = compression_dlen($e, $l, $env);
 518
 519         $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
 520         $self->deindent;
 521         $self->pidl("}");
 522 }
 523
 524 sub ParseSubcontextPushStart($$$$$)
 525 {
 526         my ($self,$e,$l,$ndr,$env) = @_;
 527         my $subndr = "_ndr_$e->{NAME}";
 528         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 529
 530         $self->pidl("{");
 531         $self->indent;
 532         $self->pidl("struct ndr_push *$subndr;");
 533         $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 534
 535         if (defined $l->{COMPRESSION}) {
 536                 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
 537         }
 538
 539         return $subndr;
 540 }
 541
 542 sub ParseSubcontextPushEnd($$$$$)
 543 {
 544         my ($self,$e,$l,$ndr,$env) = @_;
 545         my $subndr = "_ndr_$e->{NAME}";
 546         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 547
 548         if (defined $l->{COMPRESSION}) {
 549                 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
 550         }
 551
 552         $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 553         $self->deindent;
 554         $self->pidl("}");
 555 }
 556
 557 sub ParseSubcontextPullStart($$$$$)
 558 {
 559         my ($self,$e,$l,$ndr,$env) = @_;
 560         my $subndr = "_ndr_$e->{NAME}";
 561         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 562
 563         $self->pidl("{");
 564         $self->indent;
 565         $self->pidl("struct ndr_pull *$subndr;");
 566         $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 567
 568         if (defined $l->{COMPRESSION}) {
 569                 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
 570         }
 571
 572         return $subndr;
 573 }
 574
 575 sub ParseSubcontextPullEnd($$$$$)
 576 {
 577         my ($self,$e,$l,$ndr,$env) = @_;
 578         my $subndr = "_ndr_$e->{NAME}";
 579         my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
 580
 581         if (defined $l->{COMPRESSION}) {
 582                 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
 583         }
 584
 585         $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
 586         $self->deindent;
 587         $self->pidl("}");
 588 }
 589
 590 sub ParseElementPushLevel
 591 {
 592         my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
 593
 594         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 595
 596         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
 597                 $var_name = get_pointer_to($var_name);
 598         }
 599
 600         if (defined($ndr_flags)) {
 601                 if ($l->{TYPE} eq "SUBCONTEXT") {
 602                         my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
 603                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
 604                         $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
 605                 } elsif ($l->{TYPE} eq "POINTER") {
 606                         $self->ParsePtrPush($e, $l, $ndr, $var_name);
 607                 } elsif ($l->{TYPE} eq "ARRAY") {
 608                         my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
 609
 610                         my $nl = GetNextLevel($e, $l);
 611
 612                         # Allow speedups for arrays of scalar types
 613                         if (is_charset_array($e,$l)) {
 614                                 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
 615                                 return;
 616                         } elsif (has_fast_array($e,$l)) {
 617                                 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
 618                                 return;
 619                         }
 620                 } elsif ($l->{TYPE} eq "SWITCH") {
 621                         $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
 622                 } elsif ($l->{TYPE} eq "DATA") {
 623                         $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
 624                 } elsif ($l->{TYPE} eq "TYPEDEF") {
 625                         $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
 626                 }
 627         }
 628
 629         if ($l->{TYPE} eq "POINTER" and $deferred) {
 630                 my $rel_var_name = $var_name;
 631                 if ($l->{POINTER_TYPE} ne "ref") {
 632                         $self->pidl("if ($var_name) {");
 633                         $self->indent;
 634                         if ($l->{POINTER_TYPE} eq "relative") {
 635                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
 636                         }
 637                         if ($l->{POINTER_TYPE} eq "relative_short") {
 638                                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
 639                         }
 640                 }
 641                 $var_name = get_value_of($var_name);
 642                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
 643
 644                 if ($l->{POINTER_TYPE} ne "ref") {
 645                         if ($l->{POINTER_TYPE} eq "relative") {
 646                                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
 647                         }
 648                         $self->deindent;
 649                         $self->pidl("}");
 650                 }
 651         } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
 652                 not is_charset_array($e, $l)) {
 653                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
 654                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 655
 656                 my $array_pointless = ($length eq "0");
 657
 658                 if ($array_pointless) {
 659                         warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
 660                 }
 661
 662                 $var_name = get_array_element($var_name, $counter);
 663
 664                 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
 665                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 666                         $self->indent;
 667                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
 668                         $self->deindent;
 669                         $self->pidl("}");
 670                 }
 671
 672                 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
 673                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
 674                         $self->indent;
 675                         $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
 676                         $self->deindent;
 677                         $self->pidl("}");
 678                 }
 679         } elsif ($l->{TYPE} eq "SWITCH") {
 680                 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
 681         }
 682 }
 683
 684 #####################################################################
 685 # parse scalars in a structure element
 686 sub ParseElementPush($$$$$$)
 687 {
 688         my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
 689         my $subndr = undef;
 690
 691         my $var_name = $env->{$e->{NAME}};
 692
 693         return if ContainsPipe($e, $e->{LEVELS}[0]);
 694
 695         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
 696
 697         # Representation type is different from transmit_as
 698         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 699                 $self->pidl("{");
 700                 $self->indent;
 701                 my $transmit_name = "_transmit_$e->{NAME}";
 702                 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
 703                 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
 704                 $var_name = $transmit_name;
 705         }
 706
 707         $var_name = append_prefix($e, $var_name);
 708
 709         $self->start_flags($e, $ndr);
 710
 711         if (defined(my $value = has_property($e, "value"))) {
 712                 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
 713         }
 714
 715         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
 716
 717         $self->end_flags($e, $ndr);
 718
 719         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 720                 $self->deindent;
 721                 $self->pidl("}");
 722         }
 723 }
 724
 725 #####################################################################
 726 # parse a pointer in a struct element or function
 727 sub ParsePtrPush($$$$$)
 728 {
 729         my ($self,$e,$l,$ndr,$var_name) = @_;
 730
 731         if ($l->{POINTER_TYPE} eq "ref") {
 732                 $self->pidl("if ($var_name == NULL) {");
 733                 $self->indent;
 734                 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
 735                 $self->deindent;
 736                 $self->pidl("}");
 737                 if ($l->{LEVEL} eq "EMBEDDED") {
 738                         $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
 739                 }
 740         } elsif ($l->{POINTER_TYPE} eq "relative") {
 741                 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
 742         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
 743                 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
 744         } elsif ($l->{POINTER_TYPE} eq "unique") {
 745                 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
 746         } elsif ($l->{POINTER_TYPE} eq "full") {
 747                 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
 748         } else {
 749                 die("Unhandled pointer type $l->{POINTER_TYPE}");
 750         }
 751 }
 752
 753 sub need_pointer_to($$$)
 754 {
 755         my ($e, $l, $scalar_only) = @_;
 756
 757         my $t;
 758         if (ref($l->{DATA_TYPE})) {
 759                 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
 760         } else {
 761                 $t = $l->{DATA_TYPE};
 762         }
 763
 764         if (not Parse::Pidl::Typelist::is_scalar($t)) {
 765                 return 1 if $scalar_only;
 766         }
 767
 768         my $arrays = 0;
 769
 770         foreach my $tl (@{$e->{LEVELS}}) {
 771                 last if $l == $tl;
 772                 if ($tl->{TYPE} eq "ARRAY") {
 773                         $arrays++;
 774                 }
 775         }
 776
 777         if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
 778                 return 1 unless $arrays;
 779         }
 780
 781         return 0;
 782 }
 783
 784 sub ParseDataPrint($$$$$)
 785 {
 786         my ($self, $e, $l, $ndr, $var_name) = @_;
 787
 788         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 789
 790                 if (need_pointer_to($e, $l, 1)) {
 791                         $var_name = get_pointer_to($var_name);
 792                 }
 793
 794                 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
 795         } else {
 796                 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
 797         }
 798 }
 799
 800 #####################################################################
 801 # print scalars in a structure element
 802 sub ParseElementPrint($$$$$)
 803 {
 804         my($self, $e, $ndr, $var_name, $env) = @_;
 805
 806         return if (has_property($e, "noprint"));
 807
 808         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
 809                 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
 810                 return;
 811         }
 812
 813         $var_name = append_prefix($e, $var_name);
 814
 815         if (defined(my $value = has_property($e, "value"))) {
 816                 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
 817         }
 818
 819         foreach my $l (@{$e->{LEVELS}}) {
 820                 if ($l->{TYPE} eq "POINTER") {
 821                         $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
 822                         $self->pidl("$ndr->depth++;");
 823                         if ($l->{POINTER_TYPE} ne "ref") {
 824                                 $self->pidl("if ($var_name) {");
 825                                 $self->indent;
 826                         }
 827                         $var_name = get_value_of($var_name);
 828                 } elsif ($l->{TYPE} eq "ARRAY") {
 829                         my $length;
 830
 831                         if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
 832                                 $var_name = get_pointer_to($var_name);
 833                         }
 834
 835                         if ($l->{IS_ZERO_TERMINATED}) {
 836                                 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
 837                         } else {
 838                                 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
 839                                                         check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 840                         }
 841
 842                         if (is_charset_array($e,$l)) {
 843                                 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
 844                                 last;
 845                         } elsif (has_fast_array($e, $l)) {
 846                                 my $nl = GetNextLevel($e, $l);
 847                                 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
 848                                 last;
 849                         } else {
 850                                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
 851
 852                                 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
 853                                 $self->pidl("$ndr->depth++;");
 854                                 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
 855                                 $self->indent;
 856
 857                                 $var_name = get_array_element($var_name, $counter);
 858                         }
 859                 } elsif ($l->{TYPE} eq "DATA") {
 860                         $self->ParseDataPrint($e, $l, $ndr, $var_name);
 861                 } elsif ($l->{TYPE} eq "SWITCH") {
 862                         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 863                                                 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
 864                         $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
 865                 }
 866         }
 867
 868         foreach my $l (reverse @{$e->{LEVELS}}) {
 869                 if ($l->{TYPE} eq "POINTER") {
 870                         if ($l->{POINTER_TYPE} ne "ref") {
 871                                 $self->deindent;
 872                                 $self->pidl("}");
 873                         }
 874                         $self->pidl("$ndr->depth--;");
 875                 } elsif (($l->{TYPE} eq "ARRAY")
 876                         and not is_charset_array($e,$l)
 877                         and not has_fast_array($e,$l)) {
 878                         $self->deindent;
 879                         $self->pidl("}");
 880                         $self->pidl("$ndr->depth--;");
 881                 }
 882         }
 883 }
 884
 885 #####################################################################
 886 # parse scalars in a structure element - pull size
 887 sub ParseSwitchPull($$$$$$)
 888 {
 889         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 890         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 891                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 892                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 893                 check_fully_dereferenced($e, $env));
 894
 895         $var_name = get_pointer_to($var_name);
 896         $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
 897 }
 898
 899 #####################################################################
 900 # push switch element
 901 sub ParseSwitchPush($$$$$$)
 902 {
 903         my($self,$e,$l,$ndr,$var_name,$env) = @_;
 904         my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
 905                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
 906                                    "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
 907                 check_fully_dereferenced($e, $env));
 908
 909         $var_name = get_pointer_to($var_name);
 910         $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
 911 }
 912
 913 sub ParseDataPull($$$$$$$)
 914 {
 915         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 916
 917         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 918
 919                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 920
 921                 if (need_pointer_to($e, $l, 0)) {
 922                         $var_name = get_pointer_to($var_name);
 923                 }
 924
 925                 $var_name = get_pointer_to($var_name);
 926
 927                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 928
 929                 my $pl = GetPrevLevel($e, $l);
 930
 931                 my $range = has_property($e, "range");
 932                 if ($range and $pl->{TYPE} ne "ARRAY") {
 933                         $var_name = get_value_of($var_name);
 934                         my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
 935                         my ($low, $high) = split(/,/, $range, 2);
 936                         if ($low < 0 and not $signed) {
 937                                 warning(0, "$low is invalid for the range of an unsigned type");
 938                         }
 939                         if ($low == 0 and not $signed) {
 940                                 $self->pidl("if ($var_name > $high) {");
 941                         } else {
 942                                 $self->pidl("if ($var_name < $low || $var_name > $high) {");
 943                         }
 944                         $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
 945                         $self->pidl("}");
 946                 }
 947         } else {
 948                 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 949         }
 950 }
 951
 952 sub ParseDataPush($$$$$$$)
 953 {
 954         my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
 955
 956         if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
 957
 958                 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
 959
 960                 # strings are passed by value rather than reference
 961                 if (need_pointer_to($e, $l, 1)) {
 962                         $var_name = get_pointer_to($var_name);
 963                 }
 964
 965                 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
 966         } else {
 967                 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
 968         }
 969 }
 970
 971 sub CalcNdrFlags($$$)
 972 {
 973         my ($l,$primitives,$deferred) = @_;
 974
 975         my $scalars = 0;
 976         my $buffers = 0;
 977
 978         # Add NDR_SCALARS if this one is deferred
 979         # and deferreds may be pushed
 980         $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
 981
 982         # Add NDR_SCALARS if this one is not deferred and
 983         # primitives may be pushed
 984         $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
 985
 986         # Add NDR_BUFFERS if this one contains deferred stuff
 987         # and deferreds may be pushed
 988         $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
 989
 990         return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
 991         return "NDR_SCALARS" if ($scalars);
 992         return "NDR_BUFFERS" if ($buffers);
 993         return undef;
 994 }
 995
 996 sub ParseMemCtxPullFlags($$$$)
 997 {
 998         my ($self, $e, $l) = @_;
 999
1000         return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
1001
1002         return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
1003         return undef if has_fast_array($e, $l);
1004         return undef if is_charset_array($e, $l);
1005
1006         my $mem_flags = "0";
1007
1008         if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
1009                 my $nl = GetNextLevel($e, $l);
1010                 return undef if ($nl->{TYPE} eq "PIPE");
1011                 return undef if ($nl->{TYPE} eq "ARRAY");
1012                 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
1013
1014                 if ($l->{LEVEL} eq "TOP") {
1015                         $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
1016                 }
1017         }
1018
1019         return $mem_flags;
1020 }
1021
1022 sub ParseMemCtxPullStart($$$$$)
1023 {
1024         my ($self, $e, $l, $ndr, $ptr_name) = @_;
1025
1026         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1027         my $mem_c_ctx = $ptr_name;
1028         my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1029
1030         return unless defined($mem_c_flags);
1031
1032         $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1033         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1034 }
1035
1036 sub ParseMemCtxPullEnd($$$$)
1037 {
1038         my ($self, $e, $l, $ndr) = @_;
1039
1040         my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1041         my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1042
1043         return unless defined($mem_r_flags);
1044
1045         $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1046 }
1047
1048 sub CheckStringTerminator($$$$$)
1049 {
1050         my ($self,$ndr,$e,$l,$length) = @_;
1051         my $nl = GetNextLevel($e, $l);
1052
1053         # Make sure last element is zero!
1054         $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1055 }
1056
1057 sub ParseElementPullLevel
1058 {
1059         my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1060
1061         my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1062         my $array_length = undef;
1063
1064         if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1065                 $var_name = get_pointer_to($var_name);
1066         }
1067
1068         # Only pull something if there's actually something to be pulled
1069         if (defined($ndr_flags)) {
1070                 if ($l->{TYPE} eq "SUBCONTEXT") {
1071                         my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1072                         $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1073                         $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1074                 } elsif ($l->{TYPE} eq "ARRAY") {
1075                         my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1076                         $array_length = $length;
1077
1078                         my $nl = GetNextLevel($e, $l);
1079
1080                         if (is_charset_array($e,$l)) {
1081                                 if ($l->{IS_ZERO_TERMINATED}) {
1082                                         $self->CheckStringTerminator($ndr, $e, $l, $length);
1083                                 }
1084                                 if ($l->{IS_TO_NULL}) {
1085                                         $self->pidl("NDR_CHECK(ndr_pull_charset_to_null($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1086                                 } else {
1087                                         $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}));");
1088                                 }
1089                                 return;
1090                         } elsif (has_fast_array($e, $l)) {
1091                                 if ($l->{IS_ZERO_TERMINATED}) {
1092                                         $self->CheckStringTerminator($ndr,$e,$l,$length);
1093                                 }
1094                                 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1095                                 return;
1096                         }
1097                 } elsif ($l->{TYPE} eq "POINTER") {
1098                         $self->ParsePtrPull($e, $l, $ndr, $var_name);
1099                 } elsif ($l->{TYPE} eq "SWITCH") {
1100                         $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1101                 } elsif ($l->{TYPE} eq "DATA") {
1102                         $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1103                 } elsif ($l->{TYPE} eq "TYPEDEF") {
1104                         $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1105                 }
1106         }
1107
1108         # add additional constructions
1109         if ($l->{TYPE} eq "POINTER" and $deferred) {
1110                 if ($l->{POINTER_TYPE} ne "ref") {
1111                         $self->pidl("if ($var_name) {");
1112                         $self->indent;
1113
1114                         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1115                                 $self->pidl("uint32_t _relative_save_offset;");
1116                                 $self->pidl("_relative_save_offset = $ndr->offset;");
1117                                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1118                         }
1119                 }
1120
1121                 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1122
1123                 $var_name = get_value_of($var_name);
1124                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1125
1126                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1127
1128                 if ($l->{POINTER_TYPE} ne "ref") {
1129                         if ($l->{POINTER_TYPE} eq "relative") {
1130                                 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1131                                 $self->indent;
1132                                 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1133                                 $self->deindent;
1134                                 $self->pidl("}");
1135                                 $self->pidl("$ndr->offset = _relative_save_offset;");
1136                         }
1137                         $self->deindent;
1138                         $self->pidl("}");
1139                 }
1140         } elsif ($l->{TYPE} eq "ARRAY" and
1141                         not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1142                 my $length = $array_length;
1143                 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1144                 my $array_name = $var_name;
1145
1146                 if (not defined($length)) {
1147                         $length = $self->ParseArrayPullGetLength($e, $l, $ndr, $var_name, $env);
1148                 }
1149
1150                 $var_name = get_array_element($var_name, $counter);
1151
1152                 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1153
1154                 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1155                         my $nl = GetNextLevel($e,$l);
1156
1157                         if ($l->{IS_ZERO_TERMINATED}) {
1158                                 $self->CheckStringTerminator($ndr,$e,$l,$length);
1159                         }
1160
1161                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1162                         $self->indent;
1163                         $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1164                         $self->deindent;
1165                         $self->pidl("}");
1166                 }
1167
1168                 if ($deferred and ContainsDeferred($e, $l)) {
1169                         $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1170                         $self->indent;
1171                         $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1172                         $self->deindent;
1173                         $self->pidl("}");
1174                 }
1175
1176                 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1177
1178         } elsif ($l->{TYPE} eq "SWITCH") {
1179                 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1180         }
1181 }
1182
1183 #####################################################################
1184 # parse scalars in a structure element - pull size
1185 sub ParseElementPull($$$$$$)
1186 {
1187         my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1188
1189         my $var_name = $env->{$e->{NAME}};
1190         my $represent_name;
1191         my $transmit_name;
1192
1193         return if ContainsPipe($e, $e->{LEVELS}[0]);
1194
1195         return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1196
1197         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1198                 $self->pidl("{");
1199                 $self->indent;
1200                 $represent_name = $var_name;
1201                 $transmit_name = "_transmit_$e->{NAME}";
1202                 $var_name = $transmit_name;
1203                 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1204         }
1205
1206         $var_name = append_prefix($e, $var_name);
1207
1208         $self->start_flags($e, $ndr);
1209
1210         $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1211
1212         $self->end_flags($e, $ndr);
1213
1214         # Representation type is different from transmit_as
1215         if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1216                 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1217                 $self->deindent;
1218                 $self->pidl("}");
1219         }
1220 }
1221
1222 #####################################################################
1223 # parse a pointer in a struct element or function
1224 sub ParsePtrPull($$$$$)
1225 {
1226         my($self, $e,$l,$ndr,$var_name) = @_;
1227
1228         my $nl = GetNextLevel($e, $l);
1229         my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1230         my $next_is_string = (($nl->{TYPE} eq "DATA") and
1231                                                  ($nl->{DATA_TYPE} eq "string"));
1232
1233         if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1234
1235                 if (!$next_is_array and !$next_is_string) {
1236                         $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1237                         $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1238                         $self->pidl("}");
1239                 }
1240
1241                 return;
1242         } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1243                 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1244         } elsif (($l->{POINTER_TYPE} eq "unique") or
1245                  ($l->{POINTER_TYPE} eq "relative") or
1246                  ($l->{POINTER_TYPE} eq "full")) {
1247                 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1248         } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1249                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1250         } else {
1251                 die("Unhandled pointer type $l->{POINTER_TYPE}");
1252         }
1253
1254         $self->pidl("if (_ptr_$e->{NAME}) {");
1255         $self->indent;
1256
1257         # Don't do this for arrays, they're allocated at the actual level
1258         # of the array
1259         unless ($next_is_array or $next_is_string) {
1260                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1261         } else {
1262                 # FIXME: Yes, this is nasty.
1263                 # We allocate an array twice
1264                 # - once just to indicate that it's there,
1265                 # - then the real allocation...
1266                 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1267         }
1268
1269         #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1270         if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1271                 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1272         }
1273         $self->deindent;
1274         $self->pidl("} else {");
1275         $self->pidl("\t$var_name = NULL;");
1276         $self->pidl("}");
1277 }
1278
1279 sub ParseStructPushPrimitives($$$$$)
1280 {
1281         my ($self, $struct, $ndr, $varname, $env) = @_;
1282
1283         # see if the structure contains a conformant array. If it
1284         # does, then it must be the last element of the structure, and
1285         # we need to push the conformant length early, as it fits on
1286         # the wire before the structure (and even before the structure
1287         # alignment)
1288         if (defined($struct->{SURROUNDING_ELEMENT})) {
1289                 my $e = $struct->{SURROUNDING_ELEMENT};
1290
1291                 if (defined($e->{LEVELS}[0]) and
1292                         $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1293                         my $size;
1294
1295                         if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1296                                 if (has_property($e, "charset")) {
1297                                         $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1298                                 } else {
1299                                         $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1300                                 }
1301                         } else {
1302                                 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1303                         }
1304
1305                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1306                 } else {
1307                         $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1308                 }
1309         }
1310
1311         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1312
1313         if (defined($struct->{PROPERTIES}{relative_base})) {
1314                 # set the current offset as base for relative pointers
1315                 # and store it based on the toplevel struct/union
1316                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1317         }
1318
1319         $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1320
1321         $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1322 }
1323
1324 sub ParseStructPushDeferred($$$$)
1325 {
1326         my ($self, $struct, $ndr, $varname, $env) = @_;
1327         if (defined($struct->{PROPERTIES}{relative_base})) {
1328                 # retrieve the current offset as base for relative pointers
1329                 # based on the toplevel struct/union
1330                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1331         }
1332         $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1333 }
1334
1335 #####################################################################
1336 # parse a struct
1337 sub ParseStructPush($$$$)
1338 {
1339         my ($self, $struct, $ndr, $varname) = @_;
1340
1341         return unless defined($struct->{ELEMENTS});
1342
1343         my $env = GenerateStructEnv($struct, $varname);
1344
1345         EnvSubstituteValue($env, $struct);
1346
1347         $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1348
1349         $self->start_flags($struct, $ndr);
1350
1351         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1352         $self->indent;
1353         $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1354         $self->deindent;
1355         $self->pidl("}");
1356
1357         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1358         $self->indent;
1359         $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1360         $self->deindent;
1361         $self->pidl("}");
1362
1363         $self->end_flags($struct, $ndr);
1364 }
1365
1366 #####################################################################
1367 # generate a push function for an enum
1368 sub ParseEnumPush($$$$)
1369 {
1370         my($self,$enum,$ndr,$varname) = @_;
1371         my($type_fn) = $enum->{BASE_TYPE};
1372
1373         $self->start_flags($enum, $ndr);
1374         $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1375         $self->end_flags($enum, $ndr);
1376 }
1377
1378 #####################################################################
1379 # generate a pull function for an enum
1380 sub ParseEnumPull($$$$)
1381 {
1382         my($self,$enum,$ndr,$varname) = @_;
1383         my($type_fn) = $enum->{BASE_TYPE};
1384         my($type_v_decl) = mapTypeName($type_fn);
1385
1386         $self->pidl("$type_v_decl v;");
1387         $self->start_flags($enum, $ndr);
1388         $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1389         $self->pidl("*$varname = v;");
1390
1391         $self->end_flags($enum, $ndr);
1392 }
1393
1394 #####################################################################
1395 # generate a print function for an enum
1396 sub ParseEnumPrint($$$$$)
1397 {
1398         my($self,$enum,$ndr,$name,$varname) = @_;
1399
1400         $self->pidl("const char *val = NULL;");
1401         $self->pidl("");
1402
1403         $self->start_flags($enum, $ndr);
1404
1405         $self->pidl("switch ($varname) {");
1406         $self->indent;
1407         my $els = \@{$enum->{ELEMENTS}};
1408         foreach my $i (0 .. $#{$els}) {
1409                 my $e = ${$els}[$i];
1410                 chomp $e;
1411                 if ($e =~ /^(.*)=/) {
1412                         $e = $1;
1413                 }
1414                 $self->pidl("case $e: val = \"$e\"; break;");
1415         }
1416
1417         $self->deindent;
1418         $self->pidl("}");
1419
1420         $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1421
1422         $self->end_flags($enum, $ndr);
1423 }
1424
1425 sub DeclEnum($$$$)
1426 {
1427         my ($e,$t,$name,$varname) = @_;
1428         return "enum $name " .
1429                 ($t eq "pull"?"*":"") . $varname;
1430 }
1431
1432 $typefamily{ENUM} = {
1433         DECL => \&DeclEnum,
1434         PUSH_FN_BODY => \&ParseEnumPush,
1435         PULL_FN_BODY => \&ParseEnumPull,
1436         PRINT_FN_BODY => \&ParseEnumPrint,
1437 };
1438
1439 #####################################################################
1440 # generate a push function for a bitmap
1441 sub ParseBitmapPush($$$$)
1442 {
1443         my($self,$bitmap,$ndr,$varname) = @_;
1444         my($type_fn) = $bitmap->{BASE_TYPE};
1445
1446         $self->start_flags($bitmap, $ndr);
1447
1448         $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1449
1450         $self->end_flags($bitmap, $ndr);
1451 }
1452
1453 #####################################################################
1454 # generate a pull function for an bitmap
1455 sub ParseBitmapPull($$$$)
1456 {
1457         my($self,$bitmap,$ndr,$varname) = @_;
1458         my $type_fn = $bitmap->{BASE_TYPE};
1459         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1460
1461         $self->pidl("$type_decl v;");
1462         $self->start_flags($bitmap, $ndr);
1463         $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1464         $self->pidl("*$varname = v;");
1465
1466         $self->end_flags($bitmap, $ndr);
1467 }
1468
1469 #####################################################################
1470 # generate a print function for an bitmap
1471 sub ParseBitmapPrintElement($$$$$$)
1472 {
1473         my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1474         my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1475         my($type_fn) = $bitmap->{BASE_TYPE};
1476         my($flag);
1477
1478         if ($e =~ /^(\w+) .*$/) {
1479                 $flag = "$1";
1480         } else {
1481                 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1482         }
1483
1484         $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1485 }
1486
1487 #####################################################################
1488 # generate a print function for an bitmap
1489 sub ParseBitmapPrint($$$$$)
1490 {
1491         my($self,$bitmap,$ndr,$name,$varname) = @_;
1492         my($type_decl) = mapTypeName($bitmap->{TYPE});
1493         my($type_fn) = $bitmap->{BASE_TYPE};
1494
1495         $self->start_flags($bitmap, $ndr);
1496
1497         $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1498
1499         $self->pidl("$ndr->depth++;");
1500         foreach my $e (@{$bitmap->{ELEMENTS}}) {
1501                 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1502         }
1503         $self->pidl("$ndr->depth--;");
1504
1505         $self->end_flags($bitmap, $ndr);
1506 }
1507
1508 sub DeclBitmap($$$$)
1509 {
1510         my ($e,$t,$name,$varname) = @_;
1511         return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1512                 ($t eq "pull"?" *":" ") . $varname;
1513 }
1514
1515 $typefamily{BITMAP} = {
1516         DECL => \&DeclBitmap,
1517         PUSH_FN_BODY => \&ParseBitmapPush,
1518         PULL_FN_BODY => \&ParseBitmapPull,
1519         PRINT_FN_BODY => \&ParseBitmapPrint,
1520 };
1521
1522 #####################################################################
1523 # generate a struct print function
1524 sub ParseStructPrint($$$$$)
1525 {
1526         my($self,$struct,$ndr,$name,$varname) = @_;
1527
1528         return unless defined $struct->{ELEMENTS};
1529
1530         my $env = GenerateStructEnv($struct, $varname);
1531
1532         $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1533
1534         $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1535         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1536
1537         $self->start_flags($struct, $ndr);
1538
1539         $self->pidl("$ndr->depth++;");
1540
1541         $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1542                 foreach (@{$struct->{ELEMENTS}});
1543         $self->pidl("$ndr->depth--;");
1544
1545         $self->end_flags($struct, $ndr);
1546 }
1547
1548 sub DeclarePtrVariables($$)
1549 {
1550         my ($self,$e) = @_;
1551         foreach my $l (@{$e->{LEVELS}}) {
1552                 my $size = 32;
1553                 if ($l->{TYPE} eq "POINTER" and
1554                         not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1555                         if ($l->{POINTER_TYPE} eq "relative_short") {
1556                                 $size = 16;
1557                         }
1558                         $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1559                         last;
1560                 }
1561         }
1562 }
1563
1564 sub DeclareArrayVariables($$;$)
1565 {
1566         my ($self,$e,$pull) = @_;
1567
1568         foreach my $l (@{$e->{LEVELS}}) {
1569                 next if ($l->{TYPE} ne "ARRAY");
1570                 if (defined($pull)) {
1571                         $self->pidl("uint32_t size_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1572                         if ($l->{IS_VARYING}) {
1573                                 $self->pidl("uint32_t length_$e->{NAME}_$l->{LEVEL_INDEX} = 0;");
1574                         }
1575                 }
1576                 next if has_fast_array($e,$l);
1577                 next if is_charset_array($e,$l);
1578                 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1579         }
1580 }
1581
1582 sub DeclareArrayVariablesNoZero($$$)
1583 {
1584         my ($self,$e,$env) = @_;
1585
1586         foreach my $l (@{$e->{LEVELS}}) {
1587                 next if ($l->{TYPE} ne "ARRAY");
1588                 next if has_fast_array($e,$l);
1589                 next if is_charset_array($e,$l);
1590                 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1591                 if ($length eq "0") {
1592                         warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1593                 } else {
1594                         $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1595                 }
1596         }
1597 }
1598
1599 sub DeclareMemCtxVariables($$)
1600 {
1601         my ($self,$e) = @_;
1602         foreach my $l (@{$e->{LEVELS}}) {
1603                 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1604                 if (defined($mem_flags)) {
1605                         $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1606                 }
1607         }
1608 }
1609
1610 sub ParseStructPullPrimitives($$$$$)
1611 {
1612         my($self,$struct,$ndr,$varname,$env) = @_;
1613
1614         if (defined $struct->{SURROUNDING_ELEMENT}) {
1615                 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1616         }
1617
1618         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1619
1620         if (defined($struct->{PROPERTIES}{relative_base})) {
1621                 # set the current offset as base for relative pointers
1622                 # and store it based on the toplevel struct/union
1623                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1624         }
1625
1626         $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1627
1628         $self->add_deferred();
1629
1630         $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1631 }
1632
1633 sub ParseStructPullDeferred($$$$$)
1634 {
1635         my ($self,$struct,$ndr,$varname,$env) = @_;
1636
1637         if (defined($struct->{PROPERTIES}{relative_base})) {
1638                 # retrieve the current offset as base for relative pointers
1639                 # based on the toplevel struct/union
1640                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1641         }
1642         foreach my $e (@{$struct->{ELEMENTS}}) {
1643                 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1644         }
1645
1646         $self->add_deferred();
1647 }
1648
1649 #####################################################################
1650 # parse a struct - pull side
1651 sub ParseStructPull($$$$)
1652 {
1653         my($self,$struct,$ndr,$varname) = @_;
1654
1655         return unless defined $struct->{ELEMENTS};
1656
1657         # declare any internal pointers we need
1658         foreach my $e (@{$struct->{ELEMENTS}}) {
1659                 $self->DeclarePtrVariables($e);
1660                 $self->DeclareArrayVariables($e, "pull");
1661                 $self->DeclareMemCtxVariables($e);
1662         }
1663
1664         $self->start_flags($struct, $ndr);
1665
1666         my $env = GenerateStructEnv($struct, $varname);
1667
1668         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1669         $self->indent;
1670         $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1671         $self->deindent;
1672         $self->pidl("}");
1673         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1674         $self->indent;
1675         $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1676         $self->deindent;
1677         $self->pidl("}");
1678
1679         $self->end_flags($struct, $ndr);
1680 }
1681
1682 #####################################################################
1683 # calculate size of ndr struct
1684 sub ParseStructNdrSize($$$$)
1685 {
1686         my ($self,$t, $name, $varname) = @_;
1687         my $sizevar;
1688
1689         if (my $flags = has_property($t, "flag")) {
1690                 $self->pidl("flags |= $flags;");
1691         }
1692         $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1693 }
1694
1695 sub DeclStruct($$$$)
1696 {
1697         my ($e,$t,$name,$varname) = @_;
1698         return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1699 }
1700
1701 sub ArgsStructNdrSize($$$)
1702 {
1703         my ($d, $name, $varname) = @_;
1704         return "const struct $name *$varname, int flags";
1705 }
1706
1707 $typefamily{STRUCT} = {
1708         PUSH_FN_BODY => \&ParseStructPush,
1709         DECL => \&DeclStruct,
1710         PULL_FN_BODY => \&ParseStructPull,
1711         PRINT_FN_BODY => \&ParseStructPrint,
1712         SIZE_FN_BODY => \&ParseStructNdrSize,
1713         SIZE_FN_ARGS => \&ArgsStructNdrSize,
1714 };
1715
1716 #####################################################################
1717 # calculate size of ndr struct
1718 sub ParseUnionNdrSize($$$)
1719 {
1720         my ($self, $t, $name, $varname) = @_;
1721         my $sizevar;
1722
1723         if (my $flags = has_property($t, "flag")) {
1724                 $self->pidl("flags |= $flags;");
1725         }
1726
1727         $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1728 }
1729
1730 sub ParseUnionPushPrimitives($$$$)
1731 {
1732         my ($self, $e, $ndr ,$varname) = @_;
1733
1734         my $have_default = 0;
1735
1736         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1737
1738         if (defined($e->{SWITCH_TYPE})) {
1739                 if (defined($e->{ALIGN})) {
1740                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1741                 }
1742
1743                 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1744         }
1745
1746         if (defined($e->{ALIGN})) {
1747                 if ($e->{IS_MS_UNION}) {
1748                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1749                         $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1750                 } else {
1751                         $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1752                 }
1753         }
1754
1755         $self->pidl("switch (level) {");
1756         $self->indent;
1757         foreach my $el (@{$e->{ELEMENTS}}) {
1758                 if ($el->{CASE} eq "default") {
1759                         $have_default = 1;
1760                 }
1761                 $self->pidl("$el->{CASE}: {");
1762
1763                 if ($el->{TYPE} ne "EMPTY") {
1764                         $self->indent;
1765                         if (defined($e->{PROPERTIES}{relative_base})) {
1766                                 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1767                                 # set the current offset as base for relative pointers
1768                                 # and store it based on the toplevel struct/union
1769                                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1770                         }
1771                         $self->DeclareArrayVariables($el);
1772                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1773                         $self->deindent;
1774                 }
1775                 $self->pidl("break; }");
1776                 $self->pidl("");
1777         }
1778         if (! $have_default) {
1779                 $self->pidl("default:");
1780                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1781         }
1782         $self->deindent;
1783         $self->pidl("}");
1784 }
1785
1786 sub ParseUnionPushDeferred($$$$)
1787 {
1788         my ($self,$e,$ndr,$varname) = @_;
1789
1790         my $have_default = 0;
1791
1792         $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1793         if (defined($e->{PROPERTIES}{relative_base})) {
1794                 # retrieve the current offset as base for relative pointers
1795                 # based on the toplevel struct/union
1796                 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1797         }
1798         $self->pidl("switch (level) {");
1799         $self->indent;
1800         foreach my $el (@{$e->{ELEMENTS}}) {
1801                 if ($el->{CASE} eq "default") {
1802                         $have_default = 1;
1803                 }
1804
1805                 $self->pidl("$el->{CASE}:");
1806                 if ($el->{TYPE} ne "EMPTY") {
1807                         $self->indent;
1808                         $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1809                         $self->deindent;
1810                 }
1811                 $self->pidl("break;");
1812                 $self->pidl("");
1813         }
1814         if (! $have_default) {
1815                 $self->pidl("default:");
1816                 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1817         }
1818         $self->deindent;
1819         $self->pidl("}");
1820 }
1821
1822 #####################################################################
1823 # parse a union - push side
1824 sub ParseUnionPush($$$$)
1825 {
1826         my ($self,$e,$ndr,$varname) = @_;
1827         my $have_default = 0;
1828
1829         $self->start_flags($e, $ndr);
1830
1831         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1832         $self->indent;
1833         $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1834         $self->deindent;
1835         $self->pidl("}");
1836         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1837         $self->indent;
1838         $self->ParseUnionPushDeferred($e, $ndr, $varname);
1839         $self->deindent;
1840         $self->pidl("}");
1841         $self->end_flags($e, $ndr);
1842 }
1843
1844 #####################################################################
1845 # print a union
1846 sub ParseUnionPrint($$$$$)
1847 {
1848         my ($self,$e,$ndr,$name,$varname) = @_;
1849         my $have_default = 0;
1850
1851         $self->pidl("uint32_t level;");
1852         foreach my $el (@{$e->{ELEMENTS}}) {
1853                 $self->DeclareArrayVariables($el);
1854         }
1855
1856         $self->start_flags($e, $ndr);
1857
1858         $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1859
1860         $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1861
1862         $self->pidl("switch (level) {");
1863         $self->indent;
1864         foreach my $el (@{$e->{ELEMENTS}}) {
1865                 if ($el->{CASE} eq "default") {
1866                         $have_default = 1;
1867                 }
1868                 $self->pidl("$el->{CASE}:");
1869                 if ($el->{TYPE} ne "EMPTY") {
1870                         $self->indent;
1871                         $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1872                         $self->deindent;
1873                 }
1874                 $self->pidl("break;");
1875                 $self->pidl("");
1876         }
1877         if (! $have_default) {
1878                 $self->pidl("default:");
1879                 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1880         }
1881         $self->deindent;
1882         $self->pidl("}");
1883
1884         $self->end_flags($e, $ndr);
1885 }
1886
1887 sub ParseUnionPullPrimitives($$$$$)
1888 {
1889         my ($self,$e,$ndr,$varname,$switch_type) = @_;
1890         my $have_default = 0;
1891
1892
1893         if (defined($switch_type)) {
1894                 if (defined($e->{ALIGN})) {
1895                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1896                 }
1897
1898                 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1899                 $self->pidl("if (_level != level) {");
1900                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1901                 $self->pidl("}");
1902         }
1903
1904         if (defined($e->{ALIGN})) {
1905                 if ($e->{IS_MS_UNION}) {
1906                         $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1907                         $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1908                 } else {
1909                         $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1910                 }
1911         }
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                 $self->pidl("$el->{CASE}: {");
1920
1921                 if ($el->{TYPE} ne "EMPTY") {
1922                         $self->indent;
1923                         if (defined($e->{PROPERTIES}{relative_base})) {
1924                                 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1925                                 # set the current offset as base for relative pointers
1926                                 # and store it based on the toplevel struct/union
1927                                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1928                         }
1929                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1930                         $self->deindent;
1931                 }
1932                 $self->pidl("break; }");
1933                 $self->pidl("");
1934         }
1935         if (! $have_default) {
1936                 $self->pidl("default:");
1937                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1938         }
1939         $self->deindent;
1940         $self->pidl("}");
1941 }
1942
1943 sub ParseUnionPullDeferred($$$$)
1944 {
1945         my ($self,$e,$ndr,$varname) = @_;
1946         my $have_default = 0;
1947
1948         if (defined($e->{PROPERTIES}{relative_base})) {
1949                 # retrieve the current offset as base for relative pointers
1950                 # based on the toplevel struct/union
1951                 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1952         }
1953         $self->pidl("switch (level) {");
1954         $self->indent;
1955         foreach my $el (@{$e->{ELEMENTS}}) {
1956                 if ($el->{CASE} eq "default") {
1957                         $have_default = 1;
1958                 }
1959
1960                 $self->pidl("$el->{CASE}:");
1961                 if ($el->{TYPE} ne "EMPTY") {
1962                         $self->indent;
1963                         $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1964                         $self->deindent;
1965                 }
1966                 $self->pidl("break;");
1967                 $self->pidl("");
1968         }
1969         if (! $have_default) {
1970                 $self->pidl("default:");
1971                 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1972         }
1973         $self->deindent;
1974         $self->pidl("}");
1975
1976
1977 }
1978
1979 #####################################################################
1980 # parse a union - pull side
1981 sub ParseUnionPull($$$$)
1982 {
1983         my ($self,$e,$ndr,$varname) = @_;
1984         my $switch_type = $e->{SWITCH_TYPE};
1985
1986         $self->pidl("uint32_t level;");
1987         if (defined($switch_type)) {
1988                 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
1989                         $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
1990                 }
1991                 $self->pidl(mapTypeName($switch_type) . " _level;");
1992         }
1993
1994         my %double_cases = ();
1995         foreach my $el (@{$e->{ELEMENTS}}) {
1996                 next if ($el->{TYPE} eq "EMPTY");
1997                 next if ($double_cases{"$el->{NAME}"});
1998                 $self->DeclareMemCtxVariables($el);
1999                 $self->DeclarePtrVariables($el);
2000                 $self->DeclareArrayVariables($el, "pull");
2001                 $double_cases{"$el->{NAME}"} = 1;
2002         }
2003
2004         $self->start_flags($e, $ndr);
2005
2006         $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2007
2008         $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2009         $self->indent;
2010         $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2011         $self->deindent;
2012         $self->pidl("}");
2013
2014         $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2015         $self->indent;
2016         $self->ParseUnionPullDeferred($e,$ndr,$varname);
2017         $self->deindent;
2018         $self->pidl("}");
2019
2020         $self->add_deferred();
2021
2022         $self->end_flags($e, $ndr);
2023 }
2024
2025 sub DeclUnion($$$$)
2026 {
2027         my ($e,$t,$name,$varname) = @_;
2028         return ($t ne "pull"?"const ":"") . "union $name *$varname";
2029 }
2030
2031 sub ArgsUnionNdrSize($$)
2032 {
2033         my ($d,$name) = @_;
2034         return "const union $name *r, uint32_t level, int flags";
2035 }
2036
2037 $typefamily{UNION} = {
2038         PUSH_FN_BODY => \&ParseUnionPush,
2039         DECL => \&DeclUnion,
2040         PULL_FN_BODY => \&ParseUnionPull,
2041         PRINT_FN_BODY => \&ParseUnionPrint,
2042         SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2043         SIZE_FN_BODY => \&ParseUnionNdrSize,
2044 };
2045
2046 #####################################################################
2047 # parse a typedef - push side
2048 sub ParseTypedefPush($$$$)
2049 {
2050         my($self,$e,$ndr,$varname) = @_;
2051
2052         my $env;
2053
2054         $env->{$e->{NAME}} = $varname;
2055
2056         $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2057 }
2058
2059 #####################################################################
2060 # parse a typedef - pull side
2061 sub ParseTypedefPull($$$$)
2062 {
2063         my($self,$e,$ndr,$varname) = @_;
2064
2065         my $env;
2066
2067         $env->{$e->{NAME}} = $varname;
2068
2069         $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2070 }
2071
2072 #####################################################################
2073 # parse a typedef - print side
2074 sub ParseTypedefPrint($$$$$)
2075 {
2076         my($self,$e,$ndr,$name,$varname) = @_;
2077
2078         $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2079 }
2080
2081 #####################################################################
2082 ## calculate the size of a structure
2083 sub ParseTypedefNdrSize($$$$)
2084 {
2085         my($self,$t,$name,$varname) = @_;
2086
2087         $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2088 }
2089
2090 sub DeclTypedef($$$$)
2091 {
2092         my ($e, $t, $name, $varname) = @_;
2093
2094         return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2095 }
2096
2097 sub ArgsTypedefNdrSize($$$)
2098 {
2099         my ($d, $name, $varname) = @_;
2100         return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2101 }
2102
2103 $typefamily{TYPEDEF} = {
2104         PUSH_FN_BODY => \&ParseTypedefPush,
2105         DECL => \&DeclTypedef,
2106         PULL_FN_BODY => \&ParseTypedefPull,
2107         PRINT_FN_BODY => \&ParseTypedefPrint,
2108         SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2109         SIZE_FN_BODY => \&ParseTypedefNdrSize,
2110 };
2111
2112 sub ParsePipePushChunk($$)
2113 {
2114         my ($self, $t) = @_;
2115
2116         my $pipe = $t;
2117         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2118         my $struct = $pipe->{DATA};
2119
2120         my $name = "$struct->{NAME}";
2121         my $ndr = "ndr";
2122         my $varname = "r";
2123
2124         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2125
2126         $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2127
2128         return if has_property($t, "nopush");
2129
2130         $self->pidl("{");
2131         $self->indent;
2132
2133         $self->ParseStructPush($struct, $ndr, $varname);
2134         $self->pidl("");
2135
2136         $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2137         $self->pidl("");
2138
2139         $self->pidl("return NDR_ERR_SUCCESS;");
2140         $self->deindent;
2141         $self->pidl("}");
2142         $self->pidl("");
2143 }
2144
2145 sub ParsePipePullChunk($$)
2146 {
2147         my ($self, $t) = @_;
2148
2149         my $pipe = $t;
2150         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2151         my $struct = $pipe->{DATA};
2152
2153         my $name = "$struct->{NAME}";
2154         my $ndr = "ndr";
2155         my $varname = "r";
2156
2157         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2158
2159         $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2160
2161         return if has_property($struct, "nopull");
2162
2163         $self->pidl("{");
2164         $self->indent;
2165
2166         $self->ParseStructPull($struct, $ndr, $varname);
2167         $self->pidl("");
2168
2169         $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2170         $self->pidl("");
2171
2172         $self->pidl("return NDR_ERR_SUCCESS;");
2173         $self->deindent;
2174         $self->pidl("}");
2175         $self->pidl("");
2176 }
2177
2178 sub ParsePipePrintChunk($$)
2179 {
2180         my ($self, $t) = @_;
2181
2182         my $pipe = $t;
2183         $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2184         my $struct = $pipe->{DATA};
2185
2186         my $name = "$struct->{NAME}";
2187         my $ndr = "ndr";
2188         my $varname = "r";
2189
2190         my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2191
2192         $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2193
2194         return if (has_property($t, "noprint"));
2195
2196         $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2197         $self->pidl("{");
2198         $self->indent;
2199         $self->ParseTypePrint($struct, $ndr, $varname);
2200         $self->deindent;
2201         $self->pidl("}");
2202         $self->pidl("");
2203 }
2204
2205 #####################################################################
2206 # parse a function - print side
2207 sub ParseFunctionPrint($$)
2208 {
2209         my($self, $fn) = @_;
2210         my $ndr = "ndr";
2211
2212         $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2213
2214         return if has_property($fn, "noprint");
2215
2216         $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2217         $self->pidl("{");
2218         $self->indent;
2219
2220         foreach my $e (@{$fn->{ELEMENTS}}) {
2221                 $self->DeclareArrayVariables($e);
2222         }
2223
2224         $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2225         $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2226         $self->pidl("$ndr->depth++;");
2227
2228         $self->pidl("if (flags & NDR_SET_VALUES) {");
2229         $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2230         $self->pidl("}");
2231
2232         $self->pidl("if (flags & NDR_IN) {");
2233         $self->indent;
2234         $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2235         $self->pidl("$ndr->depth++;");
2236
2237         my $env = GenerateFunctionInEnv($fn);
2238
2239         foreach my $e (@{$fn->{ELEMENTS}}) {
2240                 if (grep(/in/,@{$e->{DIRECTION}})) {
2241                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2242                 }
2243         }
2244         $self->pidl("$ndr->depth--;");
2245         $self->deindent;
2246         $self->pidl("}");
2247
2248         $self->pidl("if (flags & NDR_OUT) {");
2249         $self->indent;
2250         $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2251         $self->pidl("$ndr->depth++;");
2252
2253         $env = GenerateFunctionOutEnv($fn);
2254         foreach my $e (@{$fn->{ELEMENTS}}) {
2255                 if (grep(/out/,@{$e->{DIRECTION}})) {
2256                         $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2257                 }
2258         }
2259         if ($fn->{RETURN_TYPE}) {
2260                 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2261         }
2262         $self->pidl("$ndr->depth--;");
2263         $self->deindent;
2264         $self->pidl("}");
2265
2266         $self->pidl("$ndr->depth--;");
2267         $self->deindent;
2268         $self->pidl("}");
2269         $self->pidl("");
2270 }
2271
2272 #####################################################################
2273 # parse a function
2274 sub ParseFunctionPush($$)
2275 {
2276         my($self, $fn) = @_;
2277         my $ndr = "ndr";
2278
2279         $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2280
2281         return if has_property($fn, "nopush");
2282
2283         $self->pidl("{");
2284         $self->indent;
2285
2286         foreach my $e (@{$fn->{ELEMENTS}}) {
2287                 $self->DeclareArrayVariables($e);
2288         }
2289
2290         $self->pidl("if (flags & NDR_IN) {");
2291         $self->indent;
2292
2293         my $env = GenerateFunctionInEnv($fn);
2294
2295         EnvSubstituteValue($env, $fn);
2296
2297         foreach my $e (@{$fn->{ELEMENTS}}) {
2298                 if (grep(/in/,@{$e->{DIRECTION}})) {
2299                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2300                 }
2301         }
2302
2303         $self->deindent;
2304         $self->pidl("}");
2305
2306         $self->pidl("if (flags & NDR_OUT) {");
2307         $self->indent;
2308
2309         $env = GenerateFunctionOutEnv($fn);
2310         foreach my $e (@{$fn->{ELEMENTS}}) {
2311                 if (grep(/out/,@{$e->{DIRECTION}})) {
2312                         $self->ParseElementPush($e, $ndr, $env, 1, 1);
2313                 }
2314         }
2315
2316         if ($fn->{RETURN_TYPE}) {
2317                 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2318         }
2319
2320         $self->deindent;
2321         $self->pidl("}");
2322         $self->pidl("return NDR_ERR_SUCCESS;");
2323         $self->deindent;
2324         $self->pidl("}");
2325         $self->pidl("");
2326 }
2327
2328 sub AllocateArrayLevel($$$$$$)
2329 {
2330         my ($self,$e,$l,$ndr,$var,$size) = @_;
2331
2332         my $pl = GetPrevLevel($e, $l);
2333         if (defined($pl) and
2334             $pl->{TYPE} eq "POINTER" and
2335             $pl->{POINTER_TYPE} eq "ref"
2336             and not $l->{IS_ZERO_TERMINATED}) {
2337                 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2338                 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2339                 $self->pidl("}");
2340                 if (grep(/in/,@{$e->{DIRECTION}}) and
2341                     grep(/out/,@{$e->{DIRECTION}})) {
2342                         $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2343                 }
2344                 return;
2345         }
2346
2347         $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2348 }
2349
2350 #####################################################################
2351 # parse a function
2352 sub ParseFunctionPull($$)
2353 {
2354         my($self,$fn) = @_;
2355         my $ndr = "ndr";
2356
2357         # pull function args
2358         $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;
2359
2360         $self->pidl("{");
2361         $self->indent;
2362
2363         # declare any internal pointers we need
2364         foreach my $e (@{$fn->{ELEMENTS}}) {
2365                 $self->DeclarePtrVariables($e);
2366                 $self->DeclareArrayVariables($e, "pull");
2367         }
2368
2369         my %double_cases = ();
2370         foreach my $e (@{$fn->{ELEMENTS}}) {
2371                 next if ($e->{TYPE} eq "EMPTY");
2372                 next if ($double_cases{"$e->{NAME}"});
2373                 $self->DeclareMemCtxVariables($e);
2374                 $double_cases{"$e->{NAME}"} = 1;
2375         }
2376
2377         $self->pidl("if (flags & NDR_IN) {");
2378         $self->indent;
2379
2380         # auto-init the out section of a structure. I originally argued that
2381         # this was a bad idea as it hides bugs, but coping correctly
2382         # with initialisation and not wiping ref vars is turning
2383         # out to be too tricky (tridge)
2384         foreach my $e (@{$fn->{ELEMENTS}}) {
2385                 next unless grep(/out/, @{$e->{DIRECTION}});
2386                 $self->pidl("ZERO_STRUCT(r->out);");
2387                 $self->pidl("");
2388                 last;
2389         }
2390
2391         my $env = GenerateFunctionInEnv($fn);
2392
2393         foreach my $e (@{$fn->{ELEMENTS}}) {
2394                 next unless (grep(/in/, @{$e->{DIRECTION}}));
2395                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2396         }
2397
2398         # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2399         # own flag rather than be in NDR_IN ?
2400
2401         foreach my $e (@{$fn->{ELEMENTS}}) {
2402                 next unless (grep(/out/, @{$e->{DIRECTION}}));
2403                 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2404                              $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2405                 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2406                                  ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2407                 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2408                 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2409                         and   $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2410
2411                 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2412                         my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2413                                 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2414                                                    "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2415                                 check_fully_dereferenced($e, $env));
2416                         $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2417
2418                         if (grep(/in/, @{$e->{DIRECTION}})) {
2419                                 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2420                         } else {
2421                                 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2422                         }
2423                 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2424                         if (grep(/in/, @{$e->{DIRECTION}})) {
2425                                 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2426                         } else {
2427                                 $self->pidl("r->out.$e->{NAME} = NULL;");
2428                         }
2429                 } else {
2430                         $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2431
2432                         if (grep(/in/, @{$e->{DIRECTION}})) {
2433                                 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2434                         } else {
2435                                 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2436                         }
2437                 }
2438         }
2439
2440         $self->add_deferred();
2441         $self->deindent;
2442         $self->pidl("}");
2443
2444         $self->pidl("if (flags & NDR_OUT) {");
2445         $self->indent;
2446
2447         $env = GenerateFunctionOutEnv($fn);
2448         foreach my $e (@{$fn->{ELEMENTS}}) {
2449                 next unless grep(/out/, @{$e->{DIRECTION}});
2450                 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2451         }
2452
2453         if ($fn->{RETURN_TYPE}) {
2454                 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2455         }
2456
2457         $self->add_deferred();
2458         $self->deindent;
2459         $self->pidl("}");
2460
2461         $self->pidl("return NDR_ERR_SUCCESS;");
2462         $self->deindent;
2463         $self->pidl("}");
2464         $self->pidl("");
2465 }
2466
2467 sub AuthServiceStruct($$$)
2468 {
2469         my ($self, $ifacename, $authservice) = @_;
2470         my @a = split /,/, $authservice;
2471         my $authservice_count = $#a + 1;
2472
2473         $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2474         foreach my $ap (@a) {
2475                 $self->pidl("\t$ap, ");
2476         }
2477         $self->pidl("};");
2478         $self->pidl("");
2479
2480         $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2481         $self->pidl("\t.count\t= $authservice_count,");
2482         $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2483         $self->pidl("};");
2484         $self->pidl("");
2485 }
2486
2487 sub ParseGeneratePipeArray($$$)
2488 {
2489         my ($self, $fn, $direction) = @_;
2490
2491         $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2492         $self->indent;
2493
2494         foreach my $e (@{$fn->{ELEMENTS}}) {
2495                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2496                 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2497
2498                 my $cname = "$e->{TYPE}_chunk";
2499
2500                 $self->pidl("{");
2501                 $self->indent;
2502                 $self->pidl("\"$direction.$e->{NAME}\",");
2503                 $self->pidl("\"$cname\",");
2504                 $self->pidl("sizeof(struct $cname),");
2505                 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2506                 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2507                 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2508                 $self->deindent;
2509                 $self->pidl("},");
2510         }
2511         $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2512         $self->deindent;
2513         $self->pidl("};");
2514         $self->pidl("");
2515 }
2516
2517 sub FunctionCallPipes($$)
2518 {
2519         my ($self, $d) = @_;
2520         return if not defined($d->{OPNUM});
2521
2522         my $in_pipes = 0;
2523         my $out_pipes = 0;
2524
2525         foreach my $e (@{$d->{ELEMENTS}}) {
2526                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2527
2528                 if (grep(/in/, @{$e->{DIRECTION}})) {
2529                         $in_pipes++;
2530                 }
2531                 if (grep(/out/, @{$e->{DIRECTION}})) {
2532                         $out_pipes++;
2533                 }
2534         }
2535
2536         if ($in_pipes) {
2537                 $self->ParseGeneratePipeArray($d, "in");
2538         }
2539
2540         if ($out_pipes) {
2541                 $self->ParseGeneratePipeArray($d, "out");
2542         }
2543 }
2544
2545 sub FunctionCallEntry($$)
2546 {
2547         my ($self, $d) = @_;
2548         return 0 if not defined($d->{OPNUM});
2549
2550         my $in_pipes = 0;
2551         my $out_pipes = 0;
2552
2553         foreach my $e (@{$d->{ELEMENTS}}) {
2554                 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2555
2556                 if (grep(/in/, @{$e->{DIRECTION}})) {
2557                         $in_pipes++;
2558                 }
2559                 if (grep(/out/, @{$e->{DIRECTION}})) {
2560                         $out_pipes++;
2561                 }
2562         }
2563
2564         my $in_pipes_ptr = "NULL";
2565         my $out_pipes_ptr = "NULL";
2566
2567         if ($in_pipes) {
2568                 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2569         }
2570
2571         if ($out_pipes) {
2572                 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2573         }
2574
2575         $self->pidl("\t{");
2576         $self->pidl("\t\t\"$d->{NAME}\",");
2577         $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2578         $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2579         $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2580         $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2581         $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2582         $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2583         $self->pidl("\t},");
2584         return 1;
2585 }
2586
2587 #####################################################################
2588 # produce a function call table
2589 sub FunctionTable($$)
2590 {
2591         my($self,$interface) = @_;
2592         my $count = 0;
2593         my $uname = uc $interface->{NAME};
2594
2595         return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2596         return unless defined ($interface->{PROPERTIES}->{uuid});
2597
2598         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2599                 $self->FunctionCallPipes($d);
2600         }
2601
2602         $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2603
2604         foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2605                 $count += $self->FunctionCallEntry($d);
2606         }
2607         $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2608         $self->pidl("};");
2609         $self->pidl("");
2610
2611         $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2612         foreach my $ep (@{$interface->{ENDPOINTS}}) {
2613                 $self->pidl("\t$ep, ");
2614         }
2615         my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2616
2617         $self->pidl("};");
2618         $self->pidl("");
2619
2620         $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2621         $self->pidl("\t.count\t= $endpoint_count,");
2622         $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2623         $self->pidl("};");
2624         $self->pidl("");
2625
2626         if (! defined $interface->{PROPERTIES}->{authservice}) {
2627                 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2628         }
2629
2630         $self->AuthServiceStruct($interface->{NAME},
2631                                      $interface->{PROPERTIES}->{authservice});
2632
2633         $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2634         $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2635         $self->pidl("\t.syntax_id\t= {");
2636         $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2637         $self->pidl("\t\tNDR_$uname\_VERSION");
2638         $self->pidl("\t},");
2639         $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2640         $self->pidl("\t.num_calls\t= $count,");
2641         $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2642         $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2643         $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2644         $self->pidl("};");
2645         $self->pidl("");
2646
2647 }
2648
2649 #####################################################################
2650 # generate include statements for imported idl files
2651 sub HeaderImport
2652 {
2653         my $self = shift;
2654         my @imports = @_;
2655         foreach (@imports) {
2656                 $_ = unmake_str($_);
2657                 s/\.idl$//;
2658                 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2659         }
2660 }
2661
2662 #####################################################################
2663 # generate include statements for included header files
2664 sub HeaderInclude
2665 {
2666         my $self = shift;
2667         my @includes = @_;
2668         foreach (@includes) {
2669                 $self->pidl_hdr("#include $_");
2670         }
2671 }
2672
2673 #####################################################################
2674 # generate prototypes and defines for the interface definitions
2675 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2676 # NDR parser and so do not belong here, technically speaking
2677 sub HeaderInterface($$$)
2678 {
2679         my($self,$interface,$needed) = @_;
2680
2681         my $count = 0;
2682
2683         if ($needed->{"compression"}) {
2684                 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2685         }
2686
2687         if (has_property($interface, "object")) {
2688                 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2689         }
2690
2691         if (defined $interface->{PROPERTIES}->{helper}) {
2692                 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2693         }
2694
2695         if (defined $interface->{PROPERTIES}->{uuid}) {
2696                 my $name = uc $interface->{NAME};
2697                 $self->pidl_hdr("#define NDR_$name\_UUID " .
2698                 Parse::Pidl::Util::make_str(lc($interface->{PROPERTIES}->{uuid})));
2699
2700                 if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
2701                 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{PROPERTIES}->{version}");
2702
2703                 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2704
2705                 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2706                 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2707
2708                 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2709         }
2710
2711         foreach (@{$interface->{FUNCTIONS}}) {
2712                 next if has_property($_, "noopnum");
2713                 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2714                 my $u_name = uc $_->{NAME};
2715
2716                 my $val = sprintf("0x%02x", $count);
2717                 if (defined($interface->{BASE})) {
2718                         $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2719                 }
2720
2721                 $self->pidl_hdr("#define NDR_$u_name ($val)");
2722
2723                 $self->pidl_hdr("");
2724                 $count++;
2725         }
2726
2727         my $val = $count;
2728
2729         if (defined($interface->{BASE})) {
2730                 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2731         }
2732
2733         $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2734
2735 }
2736
2737 sub ParseTypePush($$$$$$)
2738 {
2739         my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2740
2741         # save the old relative_base_offset
2742         $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2743         $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2744         # restore the old relative_base_offset
2745         $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2746 }
2747
2748 sub ParseTypePushFunction($$$)
2749 {
2750         my ($self, $e, $varname) = @_;
2751         my $ndr = "ndr";
2752
2753         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2754
2755         $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2756
2757         $self->pidl("{");
2758         $self->indent;
2759         $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2760         $self->pidl("return NDR_ERR_SUCCESS;");
2761         $self->deindent;
2762         $self->pidl("}");
2763         $self->pidl("");;
2764 }
2765
2766 sub ParseTypePull($$$$$$)
2767 {
2768         my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2769
2770         # save the old relative_base_offset
2771         $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2772         $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2773         # restore the old relative_base_offset
2774         $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2775 }
2776
2777 sub ParseTypePullFunction($$)
2778 {
2779         my ($self, $e, $varname) = @_;
2780         my $ndr = "ndr";
2781
2782         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2783
2784         $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2785
2786         $self->pidl("{");
2787         $self->indent;
2788         $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2789         $self->pidl("return NDR_ERR_SUCCESS;");
2790         $self->deindent;
2791         $self->pidl("}");
2792         $self->pidl("");
2793 }
2794
2795 sub ParseTypePrint($$$$)
2796 {
2797         my ($self, $e, $ndr, $varname) = @_;
2798
2799         $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2800 }
2801
2802 sub ParseTypePrintFunction($$$)
2803 {
2804         my ($self, $e, $varname) = @_;
2805         my $ndr = "ndr";
2806
2807         my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2808
2809         $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2810
2811         return if (has_property($e, "noprint"));
2812
2813         $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2814         $self->pidl("{");
2815         $self->indent;
2816         $self->ParseTypePrint($e, $ndr, $varname);
2817         $self->deindent;
2818         $self->pidl("}");
2819         $self->pidl("");
2820 }
2821
2822 sub ParseTypeNdrSize($$)
2823 {
2824         my ($self,$t) = @_;
2825
2826         my $varname = "r";
2827         my $tf = $typefamily{$t->{TYPE}};
2828         my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2829
2830         $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2831
2832         $self->pidl("{");
2833         $self->indent;
2834         $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2835         $self->deindent;
2836         $self->pidl("}");
2837         $self->pidl("");
2838 }
2839
2840 #####################################################################
2841 # parse the interface definitions
2842 sub ParseInterface($$$)
2843 {
2844         my($self,$interface,$needed) = @_;
2845
2846         $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2847         $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2848
2849         $self->pidl_hdr("");
2850
2851         $self->HeaderInterface($interface, $needed);
2852
2853         # Typedefs
2854         foreach my $d (@{$interface->{TYPES}}) {
2855                 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2856                         ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2857                                 $self->ParsePipePushChunk($d);
2858                         ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2859                                 $self->ParsePipePullChunk($d);
2860                         ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2861                                 $self->ParsePipePrintChunk($d);
2862
2863                         $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2864                         $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2865                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2866                         next;
2867                 }
2868
2869                 next unless(typeHasBody($d));
2870
2871                 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2872                 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2873                 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2874
2875                 # Make sure we don't generate a function twice...
2876                 $needed->{TypeFunctionName("ndr_push", $d)} =
2877                     $needed->{TypeFunctionName("ndr_pull", $d)} =
2878                         $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2879
2880                 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2881         }
2882
2883         # Functions
2884         foreach my $d (@{$interface->{FUNCTIONS}}) {
2885                 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2886                 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2887                 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2888         }
2889
2890         $self->FunctionTable($interface);
2891
2892         $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2893 }
2894
2895 sub GenerateIncludes($)
2896 {
2897         my ($self) = @_;
2898         if (is_intree()) {
2899                 $self->pidl("#include \"includes.h\"");
2900         } else {
2901                 $self->pidl("#ifndef _GNU_SOURCE");
2902                 $self->pidl("#define _GNU_SOURCE");
2903                 $self->pidl("#endif");
2904                 $self->pidl("#include <stdint.h>");
2905                 $self->pidl("#include <stdlib.h>");
2906                 $self->pidl("#include <stdio.h>");
2907                 $self->pidl("#include <stdbool.h>");
2908                 $self->pidl("#include <stdarg.h>");
2909                 $self->pidl("#include <string.h>");
2910         }
2911 }
2912
2913 #####################################################################
2914 # parse a parsed IDL structure back into an IDL file
2915 sub Parse($$$$)
2916 {
2917         my($self, $ndr,$gen_header,$ndr_header) = @_;
2918
2919         $self->pidl_hdr("/* header auto-generated by pidl */");
2920         $self->pidl_hdr("");
2921         $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2922         $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2923         $self->pidl_hdr("");
2924
2925         $self->pidl("/* parser auto-generated by pidl */");
2926         $self->pidl("");
2927         $self->GenerateIncludes();
2928         $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2929         $self->pidl("");
2930
2931         my %needed = ();
2932
2933         foreach (@{$ndr}) {
2934                 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2935         }
2936
2937         foreach (@{$ndr}) {
2938                 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2939                 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2940                 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2941         }
2942
2943         return ($self->{res_hdr}, $self->{res});
2944 }
2945
2946 sub NeededElement($$$)
2947 {
2948         my ($e, $dir, $needed) = @_;
2949
2950         return if ($e->{TYPE} eq "EMPTY");
2951
2952         return if (ref($e->{TYPE}) eq "HASH" and
2953                        not defined($e->{TYPE}->{NAME}));
2954
2955         my ($t, $rt);
2956         if (ref($e->{TYPE}) eq "HASH") {
2957                 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2958         } else {
2959                 $t = $e->{TYPE};
2960         }
2961
2962         if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2963                 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2964         } else {
2965                 $rt = $e->{REPRESENTATION_TYPE};
2966         }
2967
2968         die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2969
2970         my @fn = ();
2971         if ($dir eq "print") {
2972                 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2973         } elsif ($dir eq "pull") {
2974                 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2975                 push (@fn, "ndr_$t\_to_$rt")
2976                         if ($rt ne $t);
2977         } elsif ($dir eq "push") {
2978                 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
2979                 push (@fn, "ndr_$rt\_to_$t")
2980                         if ($rt ne $t);
2981         } else {
2982                 die("invalid direction `$dir'");
2983         }
2984
2985         foreach (@fn) {
2986                 unless (defined($needed->{$_})) {
2987                         $needed->{$_} = 1;
2988                 }
2989         }
2990 }
2991
2992 sub NeededFunction($$)
2993 {
2994         my ($fn,$needed) = @_;
2995         $needed->{"ndr_pull_$fn->{NAME}"} = 1;
2996         $needed->{"ndr_push_$fn->{NAME}"} = 1;
2997         $needed->{"ndr_print_$fn->{NAME}"} = 1;
2998         foreach my $e (@{$fn->{ELEMENTS}}) {
2999                 $e->{PARENT} = $fn;
3000                 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3001         }
3002 }
3003
3004 sub NeededType($$$)
3005 {
3006         sub NeededType($$$);
3007         my ($t,$needed,$req) = @_;
3008
3009         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3010         NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3011
3012         if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3013                 return unless defined($t->{ELEMENTS});
3014                 for my $e (@{$t->{ELEMENTS}}) {
3015                         $e->{PARENT} = $t;
3016                         if (has_property($e, "compression")) {
3017                                 $needed->{"compression"} = 1;
3018                         }
3019                         NeededElement($e, $req, $needed);
3020                         NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3021                 }
3022         }
3023 }
3024
3025 #####################################################################
3026 # work out what parse functions are needed
3027 sub NeededInterface($$)
3028 {
3029         my ($interface,$needed) = @_;
3030         NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3031         foreach (reverse @{$interface->{TYPES}}) {
3032
3033                 if (has_property($_, "public")) {
3034                         $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3035                                 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3036                 }
3037
3038                 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3039                 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3040                 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3041                 if (has_property($_, "gensize")) {
3042                         $needed->{"ndr_size_$_->{NAME}"} = 1;
3043                 }
3044         }
3045 }
3046
3047 sub TypeFunctionName($$)
3048 {
3049         my ($prefix, $t) = @_;
3050
3051         return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3052                         $t->{TYPE} eq "TYPEDEF");
3053         return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3054         return "$prefix\_$t";
3055 }
3056
3057 1;