/usr/share/perl5/Parse/Pidl/Samba4/Header.pm is in libparse-pidl-perl 2:4.3.8+dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 | ###################################################
# create C header files for an IDL structure
# Copyright tridge@samba.org 2000
# Copyright jelmer@samba.org 2005
# released under the GNU GPL
package Parse::Pidl::Samba4::Header;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
use strict;
use Parse::Pidl qw(fatal);
use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
use Parse::Pidl::Util qw(has_property is_constant unmake_str ParseExpr);
use Parse::Pidl::Samba4 qw(is_intree ElementStars ArrayBrackets choose_header);
use vars qw($VERSION);
$VERSION = '0.01';
my($res);
my($tab_depth);
sub pidl($) { $res .= shift; }
sub tabs()
{
my $res = "";
$res .="\t" foreach (1..$tab_depth);
return $res;
}
#####################################################################
# parse a properties list
sub HeaderProperties($$)
{
my($props,$ignores) = @_;
my $ret = "";
foreach my $d (sort(keys %{$props})) {
next if (grep(/^$d$/, @$ignores));
if($props->{$d} ne "1") {
$ret.= "$d($props->{$d}),";
} else {
$ret.="$d,";
}
}
if ($ret) {
pidl "/* [" . substr($ret, 0, -1) . "] */";
}
}
#####################################################################
# parse a structure element
sub HeaderElement($)
{
my($element) = shift;
pidl tabs();
if (has_property($element, "represent_as")) {
pidl mapTypeName($element->{PROPERTIES}->{represent_as})." ";
} else {
if (ref($element->{TYPE}) eq "HASH") {
HeaderType($element, $element->{TYPE}, $element->{TYPE}->{NAME});
} else {
HeaderType($element, $element->{TYPE}, "");
}
pidl " ".ElementStars($element);
}
pidl $element->{NAME};
pidl ArrayBrackets($element);
pidl ";";
if (defined $element->{PROPERTIES}) {
HeaderProperties($element->{PROPERTIES}, ["in", "out"]);
}
pidl "\n";
}
#####################################################################
# parse a struct
sub HeaderStruct($$;$)
{
my($struct,$name,$tail) = @_;
pidl "struct $name";
pidl $tail if defined($tail) and not defined($struct->{ELEMENTS});
return if (not defined($struct->{ELEMENTS}));
pidl " {\n";
$tab_depth++;
my $el_count=0;
foreach (@{$struct->{ELEMENTS}}) {
HeaderElement($_);
$el_count++;
}
if ($el_count == 0) {
# some compilers can't handle empty structures
pidl tabs()."char _empty_;\n";
}
$tab_depth--;
pidl tabs()."}";
if (defined $struct->{PROPERTIES}) {
HeaderProperties($struct->{PROPERTIES}, []);
}
pidl $tail if defined($tail);
}
#####################################################################
# parse a enum
sub HeaderEnum($$;$)
{
my($enum,$name,$tail) = @_;
my $first = 1;
pidl "enum $name";
if (defined($enum->{ELEMENTS})) {
pidl "\n#ifndef USE_UINT_ENUMS\n";
pidl " {\n";
$tab_depth++;
foreach my $e (@{$enum->{ELEMENTS}}) {
my @enum_els = ();
unless ($first) { pidl ",\n"; }
$first = 0;
pidl tabs();
@enum_els = split(/=/, $e);
if (@enum_els == 2) {
pidl $enum_els[0];
pidl "=(int)";
pidl "(";
pidl $enum_els[1];
pidl ")";
} else {
pidl $e;
}
}
pidl "\n";
$tab_depth--;
pidl "}";
pidl "\n";
pidl "#else\n";
my $count = 0;
my $with_val = 0;
my $without_val = 0;
pidl " { __do_not_use_enum_$name=0x7FFFFFFF}\n";
foreach my $e (@{$enum->{ELEMENTS}}) {
my $t = "$e";
my $name;
my $value;
if ($t =~ /(.*)=(.*)/) {
$name = $1;
$value = $2;
$with_val = 1;
fatal($e->{ORIGINAL}, "you can't mix enum member with values and without values!")
unless ($without_val == 0);
} else {
$name = $t;
$value = $count++;
$without_val = 1;
fatal($e->{ORIGINAL}, "you can't mix enum member with values and without values!")
unless ($with_val == 0);
}
pidl "#define $name ( $value )\n";
}
pidl "#endif\n";
}
pidl $tail if defined($tail);
}
#####################################################################
# parse a bitmap
sub HeaderBitmap($$)
{
my($bitmap,$name) = @_;
return unless defined($bitmap->{ELEMENTS});
pidl "/* bitmap $name */\n";
pidl "#define $_\n" foreach (@{$bitmap->{ELEMENTS}});
pidl "\n";
}
#####################################################################
# parse a union
sub HeaderUnion($$;$)
{
my($union,$name,$tail) = @_;
my %done = ();
pidl "union $name";
pidl $tail if defined($tail) and not defined($union->{ELEMENTS});
return if (not defined($union->{ELEMENTS}));
pidl " {\n";
$tab_depth++;
my $needed = 0;
foreach my $e (@{$union->{ELEMENTS}}) {
if ($e->{TYPE} ne "EMPTY") {
if (! defined $done{$e->{NAME}}) {
HeaderElement($e);
}
$done{$e->{NAME}} = 1;
$needed++;
}
}
if (!$needed) {
# sigh - some compilers don't like empty structures
pidl tabs()."int _dummy_element;\n";
}
$tab_depth--;
pidl "}";
if (defined $union->{PROPERTIES}) {
HeaderProperties($union->{PROPERTIES}, []);
}
pidl $tail if defined($tail);
}
#####################################################################
# parse a pipe
sub HeaderPipe($$;$)
{
my($pipe,$name,$tail) = @_;
my $struct = $pipe->{DATA};
my $e = $struct->{ELEMENTS}[1];
pidl "struct $name;\n";
pidl "struct $struct->{NAME} {\n";
$tab_depth++;
pidl tabs()."uint32_t count;\n";
pidl tabs().mapTypeName($e->{TYPE})." *array;\n";
$tab_depth--;
pidl "}";
if (defined $struct->{PROPERTIES}) {
HeaderProperties($struct->{PROPERTIES}, []);
}
pidl $tail if defined($tail);
}
#####################################################################
# parse a type
sub HeaderType($$$;$)
{
my($e,$data,$name,$tail) = @_;
if (ref($data) eq "HASH") {
($data->{TYPE} eq "ENUM") && HeaderEnum($data, $name, $tail);
($data->{TYPE} eq "BITMAP") && HeaderBitmap($data, $name);
($data->{TYPE} eq "STRUCT") && HeaderStruct($data, $name, $tail);
($data->{TYPE} eq "UNION") && HeaderUnion($data, $name, $tail);
($data->{TYPE} eq "PIPE") && HeaderPipe($data, $name, $tail);
return;
}
if (has_property($e, "charset")) {
pidl "const char";
} else {
pidl mapTypeName($e->{TYPE});
}
pidl $tail if defined($tail);
}
#####################################################################
# parse a typedef
sub HeaderTypedef($;$)
{
my($typedef,$tail) = @_;
# Don't print empty "enum foo;", since some compilers don't like it.
return if ($typedef->{DATA}->{TYPE} eq "ENUM" and not defined($typedef->{DATA}->{ELEMENTS}));
HeaderType($typedef, $typedef->{DATA}, $typedef->{NAME}, $tail) if defined ($typedef->{DATA});
}
#####################################################################
# parse a const
sub HeaderConst($)
{
my($const) = shift;
if (!defined($const->{ARRAY_LEN}[0])) {
pidl "#define $const->{NAME}\t( $const->{VALUE} )\n";
} else {
pidl "#define $const->{NAME}\t $const->{VALUE}\n";
}
}
sub ElementDirection($)
{
my ($e) = @_;
return "inout" if (has_property($e, "in") and has_property($e, "out"));
return "in" if (has_property($e, "in"));
return "out" if (has_property($e, "out"));
return "inout";
}
#####################################################################
# parse a function
sub HeaderFunctionInOut($$)
{
my($fn,$prop) = @_;
return unless defined($fn->{ELEMENTS});
foreach my $e (@{$fn->{ELEMENTS}}) {
HeaderElement($e) if (ElementDirection($e) eq $prop);
}
}
#####################################################################
# determine if we need an "in" or "out" section
sub HeaderFunctionInOut_needed($$)
{
my($fn,$prop) = @_;
return 1 if ($prop eq "out" && defined($fn->{RETURN_TYPE}));
return undef unless defined($fn->{ELEMENTS});
foreach my $e (@{$fn->{ELEMENTS}}) {
return 1 if (ElementDirection($e) eq $prop);
}
return undef;
}
my %headerstructs;
#####################################################################
# parse a function
sub HeaderFunction($)
{
my($fn) = shift;
return if ($headerstructs{$fn->{NAME}});
$headerstructs{$fn->{NAME}} = 1;
pidl "\nstruct $fn->{NAME} {\n";
$tab_depth++;
my $needed = 0;
if (HeaderFunctionInOut_needed($fn, "in") or
HeaderFunctionInOut_needed($fn, "inout")) {
pidl tabs()."struct {\n";
$tab_depth++;
HeaderFunctionInOut($fn, "in");
HeaderFunctionInOut($fn, "inout");
$tab_depth--;
pidl tabs()."} in;\n\n";
$needed++;
}
if (HeaderFunctionInOut_needed($fn, "out") or
HeaderFunctionInOut_needed($fn, "inout")) {
pidl tabs()."struct {\n";
$tab_depth++;
HeaderFunctionInOut($fn, "out");
HeaderFunctionInOut($fn, "inout");
if (defined($fn->{RETURN_TYPE})) {
pidl tabs().mapTypeName($fn->{RETURN_TYPE}) . " result;\n";
}
$tab_depth--;
pidl tabs()."} out;\n\n";
$needed++;
}
if (!$needed) {
# sigh - some compilers don't like empty structures
pidl tabs()."int _dummy_element;\n";
}
$tab_depth--;
pidl "};\n\n";
}
sub HeaderImport
{
my @imports = @_;
foreach my $import (@imports) {
$import = unmake_str($import);
$import =~ s/\.idl$//;
pidl choose_header("librpc/gen_ndr/$import\.h", "gen_ndr/$import.h") . "\n";
}
}
sub HeaderInclude
{
my @includes = @_;
foreach (@includes) {
pidl "#include $_\n";
}
}
#####################################################################
# parse the interface definitions
sub HeaderInterface($)
{
my($interface) = shift;
pidl "#ifndef _HEADER_$interface->{NAME}\n";
pidl "#define _HEADER_$interface->{NAME}\n\n";
foreach my $c (@{$interface->{CONSTS}}) {
HeaderConst($c);
}
foreach my $t (@{$interface->{TYPES}}) {
HeaderTypedef($t, ";\n\n") if ($t->{TYPE} eq "TYPEDEF");
HeaderStruct($t, $t->{NAME}, ";\n\n") if ($t->{TYPE} eq "STRUCT");
HeaderUnion($t, $t->{NAME}, ";\n\n") if ($t->{TYPE} eq "UNION");
HeaderEnum($t, $t->{NAME}, ";\n\n") if ($t->{TYPE} eq "ENUM");
HeaderBitmap($t, $t->{NAME}) if ($t->{TYPE} eq "BITMAP");
HeaderPipe($t, $t->{NAME}, "\n\n") if ($t->{TYPE} eq "PIPE");
}
foreach my $fn (@{$interface->{FUNCTIONS}}) {
HeaderFunction($fn);
}
pidl "#endif /* _HEADER_$interface->{NAME} */\n";
}
sub HeaderQuote($)
{
my($quote) = shift;
pidl unmake_str($quote->{DATA}) . "\n";
}
#####################################################################
# parse a parsed IDL into a C header
sub Parse($)
{
my($ndr) = shift;
$tab_depth = 0;
$res = "";
%headerstructs = ();
pidl "/* header auto-generated by pidl */\n\n";
my $ifacename = "";
# work out a unique interface name
foreach (@{$ndr}) {
if ($_->{TYPE} eq "INTERFACE") {
$ifacename = $_->{NAME};
last;
}
}
pidl "#ifndef _PIDL_HEADER_$ifacename\n";
pidl "#define _PIDL_HEADER_$ifacename\n\n";
if (!is_intree()) {
pidl "#include <util/data_blob.h>\n";
}
pidl "#include <stdint.h>\n";
pidl "\n";
# FIXME: Include this only if NTSTATUS was actually used
pidl choose_header("libcli/util/ntstatus.h", "core/ntstatus.h") . "\n";
pidl "\n";
foreach (@{$ndr}) {
($_->{TYPE} eq "CPP_QUOTE") && HeaderQuote($_);
($_->{TYPE} eq "INTERFACE") && HeaderInterface($_);
($_->{TYPE} eq "IMPORT") && HeaderImport(@{$_->{PATHS}});
($_->{TYPE} eq "INCLUDE") && HeaderInclude(@{$_->{PATHS}});
}
pidl "#endif /* _PIDL_HEADER_$ifacename */\n";
return $res;
}
sub GenerateStructEnv($$)
{
my ($x, $v) = @_;
my %env;
foreach my $e (@{$x->{ELEMENTS}}) {
$env{$e->{NAME}} = "$v->$e->{NAME}";
}
$env{"this"} = $v;
return \%env;
}
sub EnvSubstituteValue($$)
{
my ($env,$s) = @_;
# Substitute the value() values in the env
foreach my $e (@{$s->{ELEMENTS}}) {
next unless (defined(my $v = has_property($e, "value")));
$env->{$e->{NAME}} = ParseExpr($v, $env, $e);
}
return $env;
}
sub GenerateFunctionInEnv($;$)
{
my ($fn, $base) = @_;
my %env;
$base = "r->" unless defined($base);
foreach my $e (@{$fn->{ELEMENTS}}) {
if (grep (/in/, @{$e->{DIRECTION}})) {
$env{$e->{NAME}} = $base."in.$e->{NAME}";
}
}
return \%env;
}
sub GenerateFunctionOutEnv($;$)
{
my ($fn, $base) = @_;
my %env;
$base = "r->" unless defined($base);
foreach my $e (@{$fn->{ELEMENTS}}) {
if (grep (/out/, @{$e->{DIRECTION}})) {
$env{$e->{NAME}} = $base."out.$e->{NAME}";
} elsif (grep (/in/, @{$e->{DIRECTION}})) {
$env{$e->{NAME}} = $base."in.$e->{NAME}";
}
}
return \%env;
}
1;
|