tools/winapi/c_parser.pm

   1 #
   2 # Copyright 1999, 2000, 2001 Patrik Stridvall
   3 #
   4 # This library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8 #
   9 # This library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with this library; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17 #
  18
  19 package c_parser;
  20
  21 use strict;
  22
  23 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
  24 require Exporter;
  25
  26 @ISA = qw(Exporter);
  27 @EXPORT = qw();
  28 @EXPORT_OK = qw();
  29
  30 use options qw($options);
  31 use output qw($output);
  32
  33 use c_function;
  34 use c_type;
  35
  36 # Defined a couple common regexp tidbits
  37 my $CALL_CONVENTION="__cdecl|__stdcall|" .
  38                     "__RPC_API|__RPC_STUB|__RPC_USER|" .
  39                     "CALLBACK|CDECL|NTAPI|PASCAL|RPC_ENTRY|RPC_VAR_ENTRY|" .
  40                     "VFWAPI|VFWAPIV|WINAPI|WINAPIV|APIENTRY|";
  41
  42
  43 sub parse_c_function($$$$$);
  44 sub parse_c_function_call($$$$$$$$);
  45 sub parse_c_preprocessor($$$$);
  46 sub parse_c_statements($$$$);
  47 sub parse_c_tuple($$$$$$$);
  48 sub parse_c_type($$$$$);
  49 sub parse_c_typedef($$$$);
  50 sub parse_c_variable($$$$$$$);
  51
  52
  53 ########################################################################
  54 # new
  55 #
  56 sub new($$) {
  57     my $proto = shift;
  58     my $class = ref($proto) || $proto;
  59     my $self  = {};
  60     bless ($self, $class);
  61
  62     my $file = \${$self->{FILE}};
  63     my $create_function = \${$self->{CREATE_FUNCTION}};
  64     my $create_type = \${$self->{CREATE_TYPE}};
  65     my $found_comment = \${$self->{FOUND_COMMENT}};
  66     my $found_declaration = \${$self->{FOUND_DECLARATION}};
  67     my $found_function = \${$self->{FOUND_FUNCTION}};
  68     my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
  69     my $found_line = \${$self->{FOUND_LINE}};
  70     my $found_preprocessor = \${$self->{FOUND_PREPROCESSOR}};
  71     my $found_statement = \${$self->{FOUND_STATEMENT}};
  72     my $found_type = \${$self->{FOUND_TYPE}};
  73     my $found_variable = \${$self->{FOUND_VARIABLE}};
  74
  75     $$file = shift;
  76
  77     $$create_function = sub { return new c_function; };
  78     $$create_type = sub { return new c_type; };
  79     $$found_comment = sub { return 1; };
  80     $$found_declaration = sub { return 1; };
  81     $$found_function = sub { return 1; };
  82     $$found_function_call = sub { return 1; };
  83     $$found_line = sub { return 1; };
  84     $$found_preprocessor = sub { return 1; };
  85     $$found_statement = sub { return 1; };
  86     $$found_type = sub { return 1; };
  87     $$found_variable = sub { return 1; };
  88
  89     return $self;
  90 }
  91
  92 ########################################################################
  93 # set_found_comment_callback
  94 #
  95 sub set_found_comment_callback($$) {
  96     my $self = shift;
  97
  98     my $found_comment = \${$self->{FOUND_COMMENT}};
  99
 100     $$found_comment = shift;
 101 }
 102
 103 ########################################################################
 104 # set_found_declaration_callback
 105 #
 106 sub set_found_declaration_callback($$) {
 107     my $self = shift;
 108
 109     my $found_declaration = \${$self->{FOUND_DECLARATION}};
 110
 111     $$found_declaration = shift;
 112 }
 113
 114 ########################################################################
 115 # set_found_function_callback
 116 #
 117 sub set_found_function_callback($$) {
 118     my $self = shift;
 119
 120     my $found_function = \${$self->{FOUND_FUNCTION}};
 121
 122     $$found_function = shift;
 123 }
 124
 125 ########################################################################
 126 # set_found_function_call_callback
 127 #
 128 sub set_found_function_call_callback($$) {
 129     my $self = shift;
 130
 131     my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
 132
 133     $$found_function_call = shift;
 134 }
 135
 136 ########################################################################
 137 # set_found_line_callback
 138 #
 139 sub set_found_line_callback($$) {
 140     my $self = shift;
 141
 142     my $found_line = \${$self->{FOUND_LINE}};
 143
 144     $$found_line = shift;
 145 }
 146
 147 ########################################################################
 148 # set_found_preprocessor_callback
 149 #
 150 sub set_found_preprocessor_callback($$) {
 151     my $self = shift;
 152
 153     my $found_preprocessor = \${$self->{FOUND_PREPROCESSOR}};
 154
 155     $$found_preprocessor = shift;
 156 }
 157
 158 ########################################################################
 159 # set_found_statement_callback
 160 #
 161 sub set_found_statement_callback($$) {
 162     my $self = shift;
 163
 164     my $found_statement = \${$self->{FOUND_STATEMENT}};
 165
 166     $$found_statement = shift;
 167 }
 168
 169 ########################################################################
 170 # set_found_type_callback
 171 #
 172 sub set_found_type_callback($$) {
 173     my $self = shift;
 174
 175     my $found_type = \${$self->{FOUND_TYPE}};
 176
 177     $$found_type = shift;
 178 }
 179
 180 ########################################################################
 181 # set_found_variable_callback
 182 #
 183 sub set_found_variable_callback($$) {
 184     my $self = shift;
 185
 186     my $found_variable = \${$self->{FOUND_VARIABLE}};
 187
 188     $$found_variable = shift;
 189 }
 190
 191
 192 ########################################################################
 193 # _format_c_type
 194
 195 sub _format_c_type($$) {
 196     my $self = shift;
 197
 198     local $_ = shift;
 199     s/^\s*(.*?)\s*$/$1/;
 200
 201     if (/^(\w+(?:\s*\*)*)\s*\(\s*\*\s*\)\s*\(\s*(.*?)\s*\)$/s) {
 202         my $return_type = $1;
 203         my @arguments = split(/\s*,\s*/, $2);
 204         foreach my $argument (@arguments) {
 205             if ($argument =~ s/^(\w+(?:\s*\*)*)\s*\w+$/$1/) {
 206                 $argument =~ s/\s+/ /g;
 207                 $argument =~ s/\s*\*\s*/*/g;
 208                 $argument =~ s/(\*+)$/ $1/;
 209             }
 210         }
 211
 212         $_ = "$return_type (*)(" . join(", ", @arguments) . ")";
 213     }
 214
 215     return $_;
 216 }
 217
 218
 219 ########################################################################
 220 # _parse_c_warning
 221 #
 222 # FIXME: Use caller (See man perlfunc)
 223
 224 sub _parse_c_warning($$$$$$) {
 225     my $self = shift;
 226
 227     local $_ = shift;
 228     my $line = shift;
 229     my $column = shift;
 230     my $context = shift;
 231     my $message = shift;
 232
 233     my $file = \${$self->{FILE}};
 234
 235     $message = "warning" if !$message;
 236
 237     my $current = "";
 238     if($_) {
 239         my @lines = split(/\n/, $_);
 240
 241         $current .= $lines[0] . "\n" if $lines[0];
 242         $current .= $lines[1] . "\n" if $lines[1];
 243     }
 244
 245     if (0) {
 246         (my $package, my $filename, my $line) = caller(0);
 247         $output->write("*** caller ***: $filename:$line\n");
 248     }
 249
 250     if($current) {
 251         $output->write("$$file:$line." . ($column + 1) . ": $context: $message: \\\n$current");
 252     } else {
 253         $output->write("$$file:$line." . ($column + 1) . ": $context: $message\n");
 254     }
 255 }
 256
 257 ########################################################################
 258 # _parse_c_error
 259
 260 sub _parse_c_error($$$$$$) {
 261     my $self = shift;
 262
 263     local $_ = shift;
 264     my $line = shift;
 265     my $column = shift;
 266     my $context = shift;
 267     my $message = shift;
 268
 269     $message = "parse error" if !$message;
 270
 271     # Why did I do this?
 272     if($output->prefix) {
 273         # $output->write("\n");
 274         $output->prefix("");
 275     }
 276
 277     $self->_parse_c_warning($_, $line, $column, $context, $message);
 278
 279     exit 1;
 280 }
 281
 282 ########################################################################
 283 # _update_c_position
 284
 285 sub _update_c_position($$$$) {
 286     my $self = shift;
 287
 288     local $_ = shift;
 289     my $refline = shift;
 290     my $refcolumn = shift;
 291
 292     my $line = $$refline;
 293     my $column = $$refcolumn;
 294
 295     while($_) {
 296         if(s/^[^\n\t\'\"]*//s) {
 297             $column += length($&);
 298         }
 299
 300         if(s/^\'//) {
 301             $column++;
 302             while(/^./ && !s/^\'//) {
 303                 s/^([^\'\\]*)//s;
 304                 $column += length($1);
 305                 if(s/^\\//) {
 306                     $column++;
 307                     if(s/^(.)//s) {
 308                         $column += length($1);
 309                         if($1 eq "0") {
 310                             s/^(\d{0,3})//s;
 311                             $column += length($1);
 312                         }
 313                     }
 314                 }
 315             }
 316             $column++;
 317         } elsif(s/^\"//) {
 318             $column++;
 319             while(/^./ && !s/^\"//) {
 320                 s/^([^\"\\]*)//s;
 321                 $column += length($1);
 322                 if(s/^\\//) {
 323                     $column++;
 324                     if(s/^(.)//s) {
 325                         $column += length($1);
 326                         if($1 eq "0") {
 327                             s/^(\d{0,3})//s;
 328                             $column += length($1);
 329                         }
 330                     }
 331                 }
 332             }
 333             $column++;
 334         } elsif(s/^\n//) {
 335             $line++;
 336             $column = 0;
 337         } elsif(s/^\t//) {
 338             $column = $column + 8 - $column % 8;
 339         }
 340     }
 341
 342     $$refline = $line;
 343     $$refcolumn = $column;
 344 }
 345
 346 ########################################################################
 347 # __parse_c_until_one_of
 348
 349 sub __parse_c_until_one_of($$$$$$$) {
 350     my $self = shift;
 351
 352     my $characters = shift;
 353     my $on_same_level = shift;
 354     my $refcurrent = shift;
 355     my $refline = shift;
 356     my $refcolumn = shift;
 357     my $match = shift;
 358
 359     local $_ = $$refcurrent;
 360     my $line = $$refline;
 361     my $column = $$refcolumn;
 362
 363
 364     if(!defined($match)) {
 365         my $blackhole;
 366         $match = \$blackhole;
 367     }
 368
 369     my $level = 0;
 370     $$match = "";
 371     while(/^[^$characters]/s || $level > 0) {
 372         my $submatch = "";
 373
 374         if ($level > 0) {
 375             if(s/^[^\(\)\[\]\{\}\n\t\'\"]*//s) {
 376                 $submatch .= $&;
 377             }
 378         } elsif ($on_same_level) {
 379             if(s/^[^$characters\(\)\[\]\{\}\n\t\'\"]*//s) {
 380                 $submatch .= $&;
 381             }
 382         } else {
 383             if(s/^[^$characters\n\t\'\"]*//s) {
 384                 $submatch .= $&;
 385             }
 386         }
 387
 388         if(s/^\'//) {
 389             $submatch .= "\'";
 390             while(/^./ && !s/^\'//) {
 391                 s/^([^\'\\]*)//s;
 392                 $submatch .= $1;
 393                 if(s/^\\//) {
 394                     $submatch .= "\\";
 395                     if(s/^(.)//s) {
 396                         $submatch .= $1;
 397                         if($1 eq "0") {
 398                             s/^(\d{0,3})//s;
 399                             $submatch .= $1;
 400                         }
 401                     }
 402                 }
 403             }
 404             $submatch .= "\'";
 405
 406             $$match .= $submatch;
 407             $column += length($submatch);
 408         } elsif(s/^\"//) {
 409             $submatch .= "\"";
 410             while(/^./ && !s/^\"//) {
 411                 s/^([^\"\\]*)//s;
 412                 $submatch .= $1;
 413                 if(s/^\\//) {
 414                     $submatch .= "\\";
 415                     if(s/^(.)//s) {
 416                         $submatch .= $1;
 417                         if($1 eq "0") {
 418                             s/^(\d{0,3})//s;
 419                             $submatch .= $1;
 420                         }
 421                     }
 422                 }
 423             }
 424             $submatch .= "\"";
 425
 426             $$match .= $submatch;
 427             $column += length($submatch);
 428         } elsif($on_same_level && s/^[\(\[\{]//) {
 429             $level++;
 430
 431             $submatch .= $&;
 432             $$match .= $submatch;
 433             $column++;
 434         } elsif($on_same_level && s/^[\)\]\}]//) {
 435             if ($level > 0) {
 436                 $level--;
 437
 438                 $submatch .= $&;
 439                 $$match .= $submatch;
 440                 $column++;
 441             } else {
 442                 $_ = "$&$_";
 443                 $$match .= $submatch;
 444                 last;
 445             }
 446         } elsif(s/^\n//) {
 447             $submatch .= "\n";
 448
 449             $$match .= $submatch;
 450             $line++;
 451             $column = 0;
 452         } elsif(s/^\t//) {
 453             $submatch .= "\t";
 454
 455             $$match .= $submatch;
 456             $column = $column + 8 - $column % 8;
 457         } else {
 458             $$match .= $submatch;
 459             $column += length($submatch);
 460         }
 461     }
 462
 463     $$refcurrent = $_;
 464     $$refline = $line;
 465     $$refcolumn = $column;
 466     return 1;
 467 }
 468
 469 ########################################################################
 470 # _parse_c_until_one_of
 471
 472 sub _parse_c_until_one_of($$$$$$) {
 473     my $self = shift;
 474
 475     my $characters = shift;
 476     my $refcurrent = shift;
 477     my $refline = shift;
 478     my $refcolumn = shift;
 479     my $match = shift;
 480
 481     return $self->__parse_c_until_one_of($characters, 0, $refcurrent, $refline, $refcolumn, $match);
 482 }
 483
 484 ########################################################################
 485 # _parse_c_on_same_level_until_one_of
 486
 487 sub _parse_c_on_same_level_until_one_of($$$$$$) {
 488     my $self = shift;
 489
 490     my $characters = shift;
 491     my $refcurrent = shift;
 492     my $refline = shift;
 493     my $refcolumn = shift;
 494     my $match = shift;
 495
 496     return $self->__parse_c_until_one_of($characters, 1, $refcurrent, $refline, $refcolumn, $match);
 497 }
 498
 499 ########################################################################
 500 # parse_c_block
 501
 502 sub parse_c_block($$$$$$$) {
 503     my $self = shift;
 504
 505     my $refcurrent = shift;
 506     my $refline = shift;
 507     my $refcolumn = shift;
 508
 509     my $refstatements = shift;
 510     my $refstatements_line = shift;
 511     my $refstatements_column = shift;
 512
 513     local $_ = $$refcurrent;
 514     my $line = $$refline;
 515     my $column = $$refcolumn;
 516
 517     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
 518
 519     my $statements;
 520     if(s/^\{//) {
 521         $column++;
 522         $statements = "";
 523     } else {
 524         return 0;
 525     }
 526
 527     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
 528
 529     my $statements_line = $line;
 530     my $statements_column = $column;
 531
 532     my $plevel = 1;
 533     while($plevel > 0) {
 534         my $match;
 535         $self->_parse_c_until_one_of("\\{\\}", \$_, \$line, \$column, \$match);
 536
 537         $column++;
 538
 539         $statements .= $match;
 540         if(s/^\}//) {
 541             $plevel--;
 542             if($plevel > 0) {
 543                 $statements .= "}";
 544             }
 545         } elsif(s/^\{//) {
 546             $plevel++;
 547             $statements .= "{";
 548         } else {
 549             return 0;
 550         }
 551     }
 552
 553     $$refcurrent = $_;
 554     $$refline = $line;
 555     $$refcolumn = $column;
 556     $$refstatements = $statements;
 557     $$refstatements_line = $statements_line;
 558     $$refstatements_column = $statements_column;
 559
 560     return 1;
 561 }
 562
 563 ########################################################################
 564 # parse_c_declaration
 565
 566 sub parse_c_declaration($$$$$$$$$$$$) {
 567     my $self = shift;
 568
 569     my $found_declaration = \${$self->{FOUND_DECLARATION}};
 570     my $found_function = \${$self->{FOUND_FUNCTION}};
 571
 572     my $refcurrent = shift;
 573     my $refline = shift;
 574     my $refcolumn = shift;
 575
 576     local $_ = $$refcurrent;
 577     my $line = $$refline;
 578     my $column = $$refcolumn;
 579
 580     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
 581
 582     my $begin_line = $line;
 583     my $begin_column = $column + 1;
 584
 585     my $end_line = $begin_line;
 586     my $end_column = $begin_column;
 587     $self->_update_c_position($_, \$end_line, \$end_column);
 588
 589     if(!&$$found_declaration($begin_line, $begin_column, $end_line, $end_column, $_)) {
 590         return 1;
 591     }
 592
 593     # Function
 594     my $function = shift;
 595
 596     my $linkage = shift;
 597     my $calling_convention = shift;
 598     my $return_type = shift;
 599     my $name = shift;
 600     my @arguments = shift;
 601     my @argument_lines = shift;
 602     my @argument_columns = shift;
 603
 604     # Variable
 605     my $type;
 606
 607     if(s/^WINE_(?:DEFAULT|DECLARE)_DEBUG_CHANNEL\s*\(\s*(\w+)\s*\)\s*//s) { # FIXME: Wine specific kludge
 608         $self->_update_c_position($&, \$line, \$column);
 609     } elsif(s/^__ASM_GLOBAL_FUNC\(\s*(\w+)\s*,\s*//s) { # FIXME: Wine specific kludge
 610         $self->_update_c_position($&, \$line, \$column);
 611         $self->_parse_c_until_one_of("\)", \$_, \$line, \$column);
 612         if(s/\)//) {
 613             $column++;
 614         }
 615     } elsif(s/^(?:DEFINE_AVIGUID|DEFINE_OLEGUID)\s*(?=\()//s) { # FIXME: Wine specific kludge
 616         $self->_update_c_position($&, \$line, \$column);
 617
 618         my @arguments;
 619         my @argument_lines;
 620         my @argument_columns;
 621
 622         if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
 623             return 0;
 624         }
 625     } elsif(s/^DEFINE_COMMON_NOTIFICATIONS\(\s*(\w+)\s*,\s*(\w+)\s*\)//s) { # FIXME: Wine specific kludge
 626         $self->_update_c_position($&, \$line, \$column);
 627     } elsif(s/^MAKE_FUNCPTR\(\s*(\w+)\s*\)//s) { # FIXME: Wine specific kludge
 628         $self->_update_c_position($&, \$line, \$column);
 629     } elsif(s/^START_TEST\(\s*(\w+)\s*\)\s*{//s) { # FIXME: Wine specific kludge
 630         $self->_update_c_position($&, \$line, \$column);
 631     } elsif(s/^int\s*_FUNCTION_\s*{//s) { # FIXME: Wine specific kludge
 632         $self->_update_c_position($&, \$line, \$column);
 633     } elsif(s/^(?:jump|strong)_alias//s) { # FIXME: GNU C library specific kludge
 634         $self->_update_c_position($&, \$line, \$column);
 635     } elsif(s/^(?:__asm__|asm)\s*\(//) {
 636         $self->_update_c_position($&, \$line, \$column);
 637     } elsif($self->parse_c_typedef(\$_, \$line, \$column)) {
 638         # Nothing
 639     } elsif($self->parse_c_variable(\$_, \$line, \$column, \$linkage, \$type, \$name)) {
 640         # Nothing
 641     } elsif($self->parse_c_function(\$_, \$line, \$column, \$function)) {
 642         if(&$$found_function($function))
 643         {
 644             my $statements = $function->statements;
 645             my $statements_line = $function->statements_line;
 646             my $statements_column = $function->statements_column;
 647
 648             if(defined($statements)) {
 649                 if(!$self->parse_c_statements(\$statements, \$statements_line, \$statements_column)) {
 650                     return 0;
 651                 }
 652             }
 653         }
 654     } else {
 655         $self->_parse_c_error($_, $line, $column, "declaration");
 656     }
 657
 658     $$refcurrent = $_;
 659     $$refline = $line;
 660     $$refcolumn = $column;
 661
 662     return 1;
 663 }
 664
 665 ########################################################################
 666 # _parse_c
 667
 668 sub _parse_c($$$$$$) {
 669     my $self = shift;
 670
 671     my $pattern = shift;
 672     my $refcurrent = shift;
 673     my $refline = shift;
 674     my $refcolumn = shift;
 675
 676     my $refmatch = shift;
 677
 678     local $_ = $$refcurrent;
 679     my $line = $$refline;
 680     my $column = $$refcolumn;
 681
 682     my $match;
 683     if(s/^(?:$pattern)//s) {
 684         $self->_update_c_position($&, \$line, \$column);
 685         $match = $&;
 686     } else {
 687         return 0;
 688     }
 689
 690     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
 691
 692     $$refcurrent = $_;
 693     $$refline = $line;
 694     $$refcolumn = $column;
 695
 696     $$refmatch = $match;
 697
 698     return 1;
 699 }
 700
 701 ########################################################################
 702 # parse_c_enum
 703
 704 sub parse_c_enum($$$$) {
 705     my $self = shift;
 706
 707     my $refcurrent = shift;
 708     my $refline = shift;
 709     my $refcolumn = shift;
 710
 711     local $_ = $$refcurrent;
 712     my $line = $$refline;
 713     my $column = $$refcolumn;
 714
 715     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
 716
 717     if (!s/^enum\s+((?:MSVCRT|WS)\(\s*\w+\s*\)|\w+)?\s*\{\s*//s) {
 718         return 0;
 719     }
 720     my $_name = $1 || "";
 721
 722     $self->_update_c_position($&, \$line, \$column);
 723
 724     my $name = "";
 725
 726     my $match;
 727     while ($self->_parse_c_on_same_level_until_one_of(',', \$_, \$line, \$column, \$match)) {
 728         if ($match) {
 729             if ($match !~ /^(\w+)\s*(?:=\s*(.*?)\s*)?$/) {
 730                 $self->_parse_c_error($_, $line, $column, "enum");
 731             }
 732             my $enum_name = $1;
 733             my $enum_value = $2 || "";
 734
 735             # $output->write("enum:$_name:$enum_name:$enum_value\n");
 736         }
 737
 738         if ($self->_parse_c(',', \$_, \$line, \$column)) {
 739             next;
 740         } elsif ($self->_parse_c('}', \$_, \$line, \$column)) {
 741             # FIXME: Kludge
 742             my $tuple = "($_)";
 743             my $tuple_line = $line;
 744             my $tuple_column = $column - 1;
 745
 746             my @arguments;
 747             my @argument_lines;
 748                     my @argument_columns;
 749
 750             if(!$self->parse_c_tuple(\$tuple, \$tuple_line, \$tuple_column,
 751                                      \@arguments, \@argument_lines, \@argument_columns))
 752             {
 753                 $self->_parse_c_error($_, $line, $column, "enum");
 754             }
 755
 756             # FIXME: Kludge
 757             if ($#arguments >= 0) {
 758                 $name = $arguments[0];
 759             }
 760
 761             last;
 762         } else {
 763             $self->_parse_c_error($_, $line, $column, "enum");
 764         }
 765     }
 766
 767     $self->_update_c_position($_, \$line, \$column);
 768
 769     $$refcurrent = $_;
 770     $$refline = $line;
 771     $$refcolumn = $column;
 772 }
 773
 774
 775 ########################################################################
 776 # parse_c_expression
 777
 778 sub parse_c_expression($$$$) {
 779     my $self = shift;
 780
 781     my $refcurrent = shift;
 782     my $refline = shift;
 783     my $refcolumn = shift;
 784
 785     my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
 786
 787     local $_ = $$refcurrent;
 788     my $line = $$refline;
 789     my $column = $$refcolumn;
 790
 791     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
 792
 793     while($_) {
 794         if(s/^(.*?)(\w+\s*\()/$2/s) {
 795             $self->_update_c_position($1, \$line, \$column);
 796
 797             my $begin_line = $line;
 798             my $begin_column = $column + 1;
 799
 800             my $name;
 801             my @arguments;
 802             my @argument_lines;
 803             my @argument_columns;
 804             if(!$self->parse_c_function_call(\$_, \$line, \$column, \$name, \@arguments, \@argument_lines, \@argument_columns)) {
 805                 return 0;
 806             }
 807
 808             if(&$$found_function_call($begin_line, $begin_column, $line, $column, $name, \@arguments))
 809             {
 810                 while(defined(my $argument = shift @arguments) &&
 811                       defined(my $argument_line = shift @argument_lines) &&
 812                       defined(my $argument_column = shift @argument_columns))
 813                 {
 814                     $self->parse_c_expression(\$argument, \$argument_line, \$argument_column);
 815                 }
 816             }
 817         } else {
 818             $_ = "";
 819         }
 820     }
 821
 822     $self->_update_c_position($_, \$line, \$column);
 823
 824     $$refcurrent = $_;
 825     $$refline = $line;
 826     $$refcolumn = $column;
 827
 828     return 1;
 829 }
 830
 831 ########################################################################
 832 # parse_c_file
 833
 834 sub parse_c_file($$$$) {
 835     my $self = shift;
 836
 837     my $found_comment = \${$self->{FOUND_COMMENT}};
 838     my $found_line = \${$self->{FOUND_LINE}};
 839
 840     my $refcurrent = shift;
 841     my $refline = shift;
 842     my $refcolumn = shift;
 843
 844     local $_ = $$refcurrent;
 845     my $line = $$refline;
 846     my $column = $$refcolumn;
 847
 848     my $declaration = "";
 849     my $declaration_line = $line;
 850     my $declaration_column = $column;
 851
 852     my $previous_line = 0;
 853     my $previous_column = -1;
 854
 855     my $preprocessor_condition;
 856     my $if = 0;
 857     my $if0 = 0;
 858     my $extern_c = 0;
 859
 860     my $blevel = 1;
 861     my $plevel = 1;
 862     while($plevel > 0 || $blevel > 0) {
 863         my $match;
 864         $self->_parse_c_until_one_of("#/\\(\\)\\[\\]\\{\\};", \$_, \$line, \$column, \$match);
 865
 866         if($line != $previous_line) {
 867             &$$found_line($line);
 868         } elsif(0 && $column == $previous_column) {
 869             $self->_parse_c_error($_, $line, $column, "file", "no progress");
 870         } else {
 871             # &$$found_line("$line.$column");
 872         }
 873         $previous_line = $line;
 874         $previous_column = $column;
 875
 876         if($match !~ /^\s+$/s && $options->debug) {
 877             $self->_parse_c_warning($_, $line, $column, "file", "$plevel $blevel: '$declaration' '$match'");
 878         }
 879
 880         if(!$declaration && $match =~ s/^\s+//s) {
 881             $self->_update_c_position($&, \$declaration_line, \$declaration_column);
 882         }
 883
 884         if(!$if0) {
 885             $declaration .= $match;
 886
 887             # FIXME: Kludge
 888             if ($declaration =~ s/^extern\s*\"C\"//s) {
 889                 if (s/^\{//) {
 890                     $self->_update_c_position($&, \$line, \$column);
 891                     $declaration = "";
 892                     $declaration_line = $line;
 893                     $declaration_column = $column;
 894
 895                     $extern_c = 1;
 896                     next;
 897                 }
 898             } elsif ($extern_c && $blevel == 1 && $plevel == 1 && !$declaration) {
 899                 if (s/^\}//) {
 900                     $self->_update_c_position($&, \$line, \$column);
 901                     $declaration = "";
 902                     $declaration_line = $line;
 903                     $declaration_column = $column;
 904
 905                     $extern_c = 0;
 906                     next;
 907                 }
 908             } elsif($declaration =~ s/^(?:__DEFINE_(?:GET|SET)_SEG|OUR_GUID_ENTRY)\s*(?=\()//sx) { # FIXME: Wine specific kludge
 909                 my $prefix = $&;
 910                 if ($plevel > 2 || !s/^\)//) {
 911                     $declaration = "$prefix$declaration";
 912                 } else {
 913                     $plevel--;
 914                     $self->_update_c_position($&, \$line, \$column);
 915                     $declaration .= $&;
 916
 917                     my @arguments;
 918                     my @argument_lines;
 919                     my @argument_columns;
 920
 921                     if(!$self->parse_c_tuple(\$declaration, \$declaration_line, \$declaration_column,
 922                                              \@arguments, \@argument_lines, \@argument_columns))
 923                     {
 924                         $self->_parse_c_error($declaration, $declaration_line, $declaration_column, "file", "tuple expected");
 925                     }
 926
 927                     $declaration = "";
 928                     $declaration_line = $line;
 929                     $declaration_column = $column;
 930
 931                     next;
 932                 }
 933             } elsif ($declaration =~ s/^(?:DEFINE_SHLGUID)\s*\(.*?\)//s) {
 934                 $self->_update_c_position($&, \$declaration_line, \$declaration_column);
 935             } elsif ($declaration =~ s/^(?:DECL_WINELIB_TYPE_AW|DECLARE_HANDLE(?:16)?|TYPE_MARSHAL)\(\s*(\w+)\s*\)\s*//s) {
 936                 $self->_update_c_position($&, \$declaration_line, \$declaration_column);
 937             } elsif ($declaration =~ s/^ICOM_DEFINE\(\s*(\w+)\s*,\s*(\w+)\s*\)\s*//s) {
 938                 $self->_update_c_position($&, \$declaration_line, \$declaration_column);
 939             }
 940         } else {
 941             my $blank_lines = 0;
 942
 943             local $_ = $match;
 944             while(s/^.*?\n//) { $blank_lines++; }
 945
 946             if(!$declaration) {
 947                 $declaration_line = $line;
 948                 $declaration_column = $column;
 949             } else {
 950                 $declaration .= "\n" x $blank_lines;
 951             }
 952
 953         }
 954
 955         if(/^[\#\/]/) {
 956             my $blank_lines = 0;
 957             if(s/^\#\s*//) {
 958                 my $preprocessor_line = $line;
 959                 my $preprocessor_column = $column;
 960
 961                 my $preprocessor = $&;
 962                 while(s/^(.*?)\\\s*\n//) {
 963                     $blank_lines++;
 964                     $preprocessor .= "$1\n";
 965                 }
 966                 if(s/^(.*?)(\/\*.*?\*\/)(.*?)\n//) {
 967                     $_ = "$2\n$_";
 968                     if(defined($3)) {
 969                         $preprocessor .= "$1$3";
 970                     } else {
 971                         $preprocessor .= $1;
 972                     }
 973                 } elsif(s/^(.*?)(\/[\*\/].*?)?\n//) {
 974                     if(defined($2)) {
 975                         $_ = "$2\n$_";
 976                     } else {
 977                         $blank_lines++;
 978                     }
 979                     $preprocessor .= $1;
 980                 }
 981
 982
 983                 if($preprocessor =~ /^\#\s*if/) {
 984                     if($preprocessor =~ /^\#\s*if\s*0/) {
 985                         $if0++;
 986                     } elsif($if0 > 0) {
 987                         $if++;
 988                     } else {
 989                         if($preprocessor =~ /^\#\s*ifdef\s+WORDS_BIGENDIAN$/) {
 990                             $preprocessor_condition = "defined(WORD_BIGENDIAN)";
 991                             # $output->write("'$preprocessor_condition':'$declaration'\n")
 992                         } else {
 993                             $preprocessor_condition = "";
 994                         }
 995                     }
 996                 } elsif($preprocessor =~ /^\#\s*else/) {
 997                     if ($preprocessor_condition ne "") {
 998                         $preprocessor_condition =~ "!$preprocessor_condition";
 999                         $preprocessor_condition =~ s/^!!/!/;
1000                         # $output->write("'$preprocessor_condition':'$declaration'\n")
1001                     }
1002                 } elsif($preprocessor =~ /^\#\s*endif/) {
1003                     if($if0 > 0) {
1004                         if($if > 0) {
1005                             $if--;
1006                         } else {
1007                             $if0--;
1008                         }
1009                     } else {
1010                         if ($preprocessor_condition ne "") {
1011                             # $output->write("'$preprocessor_condition':'$declaration'\n");
1012                             $preprocessor_condition = "";
1013                         }
1014                     }
1015                 }
1016
1017                 if(!$self->parse_c_preprocessor(\$preprocessor, \$preprocessor_line, \$preprocessor_column)) {
1018                      return 0;
1019                 }
1020             }
1021
1022             if(s/^\/\*.*?\*\///s) {
1023                 &$$found_comment($line, $column + 1, $&);
1024                 local $_ = $&;
1025                 while(s/^.*?\n//) {
1026                     $blank_lines++;
1027                 }
1028                 if($_) {
1029                     $column += length($_);
1030                 }
1031             } elsif(s/^\/\/(.*?)\n//) {
1032                 &$$found_comment($line, $column + 1, $&);
1033                 $blank_lines++;
1034             } elsif(s/^\///) {
1035                 if(!$if0) {
1036                     $declaration .= $&;
1037                     $column++;
1038                 }
1039             }
1040
1041             $line += $blank_lines;
1042             if($blank_lines > 0) {
1043                 $column = 0;
1044             }
1045
1046             if(!$declaration) {
1047                 $declaration_line = $line;
1048                 $declaration_column = $column;
1049             } elsif($blank_lines > 0) {
1050                 $declaration .= "\n" x $blank_lines;
1051             }
1052
1053             next;
1054         }
1055
1056         $column++;
1057
1058         if($if0) {
1059             s/^.//;
1060             next;
1061         }
1062
1063         if(s/^[\(\[]//) {
1064             $plevel++;
1065             $declaration .= $&;
1066         } elsif(s/^\]//) {
1067             $plevel--;
1068             $declaration .= $&;
1069         } elsif(s/^\)//) {
1070             $plevel--;
1071             if($blevel <= 0) {
1072                 $self->_parse_c_error($_, $line, $column, "file", ") without (");
1073             }
1074             $declaration .= $&;
1075             if($plevel == 1 && $declaration =~ /^__ASM_GLOBAL_FUNC/) {
1076                 if(!$self->parse_c_declaration(\$declaration, \$declaration_line, \$declaration_column)) {
1077                     return 0;
1078                 }
1079                 $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1080                 $declaration = "";
1081                 $declaration_line = $line;
1082                 $declaration_column = $column;
1083             }
1084         } elsif(s/^\{//) {
1085             $blevel++;
1086             $declaration .= $&;
1087         } elsif(s/^\}//) {
1088             $blevel--;
1089             if($blevel <= 0) {
1090                 $self->_parse_c_error($_, $line, $column, "file", "} without {");
1091             }
1092
1093             $declaration .= $&;
1094
1095             if($declaration =~ /^typedef/s ||
1096                $declaration =~ /^(?:const\s+|extern\s+|static\s+|volatile\s+)*(?:interface|struct|union)(?:\s+\w+)?\s*\{/s)
1097             {
1098                 # Nothing
1099             } elsif($plevel == 1 && $blevel == 1) {
1100                 if(!$self->parse_c_declaration(\$declaration, \$declaration_line, \$declaration_column)) {
1101                     return 0;
1102                 }
1103                 $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1104                 $declaration = "";
1105                 $declaration_line = $line;
1106                 $declaration_column = $column;
1107             } elsif($column == 1 && !$extern_c) {
1108                 $self->_parse_c_error("", $line, $column, "file", "inner } ends on column 1");
1109             }
1110         } elsif(s/^;//) {
1111             $declaration .= $&;
1112             if(0 && $blevel == 1 &&
1113                $declaration !~ /^typedef/ &&
1114                $declaration !~ /^(?:const\s+|extern\s+|static\s+|volatile\s+)?(?:interface|struct|union)(?:\s+\w+)?\s*\{/s &&
1115                $declaration =~ /^(?:\w+(?:\s*\*)*\s+)*(\w+)\s*\(\s*(?:(?:\w+\s*,\s*)*(\w+))?\s*\)\s*(.*?);$/s &&
1116                $1 ne "ICOM_VTABLE" && defined($2) && $2 ne "void" && $3) # K&R
1117             {
1118                 $self->_parse_c_warning("", $line, $column, "file", "function $1: warning: function has K&R format");
1119             } elsif($plevel == 1 && $blevel == 1) {
1120                 $declaration =~ s/\s*;$//;
1121                 if($declaration && !$self->parse_c_declaration(\$declaration, \$declaration_line, \$declaration_column)) {
1122                     return 0;
1123                 }
1124                 $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1125                 $declaration = "";
1126                 $declaration_line = $line;
1127                 $declaration_column = $column;
1128             }
1129         } elsif(/^\s*$/ && $declaration =~ /^\s*$/ && $match =~ /^\s*$/) {
1130             $plevel = 0;
1131             $blevel = 0;
1132         } else {
1133             $self->_parse_c_error($_, $line, $column, "file", "parse error: '$declaration' '$match'");
1134         }
1135     }
1136
1137     $$refcurrent = $_;
1138     $$refline = $line;
1139     $$refcolumn = $column;
1140
1141     return 1;
1142 }
1143
1144 ########################################################################
1145 # parse_c_function
1146
1147 sub parse_c_function($$$$$) {
1148     my $self = shift;
1149
1150     my $file = \${$self->{FILE}};
1151     my $create_function = \${$self->{CREATE_FUNCTION}};
1152
1153     my $refcurrent = shift;
1154     my $refline = shift;
1155     my $refcolumn = shift;
1156
1157     my $reffunction = shift;
1158
1159     local $_ = $$refcurrent;
1160     my $line = $$refline;
1161     my $column = $$refcolumn;
1162
1163     my $linkage = "";
1164     my $calling_convention = "";
1165     my $return_type;
1166     my $name;
1167     my @arguments;
1168     my @argument_lines;
1169     my @argument_columns;
1170     my $statements;
1171     my $statements_line;
1172     my $statements_column;
1173
1174     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1175
1176     my $begin_line = $line;
1177     my $begin_column = $column + 1;
1178
1179     if($self->_parse_c('__declspec\((?:dllexport|dllimport|naked)\)|INTERNETAPI|RPCRTAPI', \$_, \$line, \$column)) {
1180         # Nothing
1181     }
1182
1183     # $self->_parse_c_warning($_, $line, $column, "function", "");
1184
1185     my $match;
1186     while($self->_parse_c('(?:const|inline|extern(?:\s+\"C\")?|EXTERN_C|static|volatile|' .
1187                           'signed(?=\s+__int(?:8|16|32|64)\b|\s+char\b|\s+int\b|\s+long(?:\s+long)?\b|\s+short\b)|' .
1188                           'unsigned(?=\s+__int(?:8|16|32|64)\b|\s+char\b|\s+int\b|\s+long(?:\s+long)?\b|\s+short\b)|' .
1189                           'long(?=\s+double\b|\s+int\b|\s+long\b))(?=\b)',
1190                           \$_, \$line, \$column, \$match))
1191     {
1192         if($match =~ /^(?:extern|static)$/) {
1193             if(!$linkage) {
1194                 $linkage = $match;
1195             }
1196         }
1197     }
1198
1199     if($self->_parse_c('DECL_GLOBAL_CONSTRUCTOR', \$_, \$line, \$column, \$name)) { # FIXME: Wine specific kludge
1200         # Nothing
1201     } elsif($self->_parse_c('WINE_EXCEPTION_FILTER\(\w+\)', \$_, \$line, \$column, \$name)) { # FIXME: Wine specific kludge
1202         # Nothing
1203     } else {
1204         if(!$self->parse_c_type(\$_, \$line, \$column, \$return_type)) {
1205             return 0;
1206         }
1207
1208         $self->_parse_c('inline|FAR', \$_, \$line, \$column);
1209
1210         $self->_parse_c($CALL_CONVENTION,
1211                         \$_, \$line, \$column, \$calling_convention);
1212
1213
1214         # FIXME: ???: Old variant of __attribute((const))
1215         $self->_parse_c('(?:const|volatile)', \$_, \$line, \$column);
1216
1217         if(!$self->_parse_c('(?:operator\s*!=|(?:MSVCRT|WS)\(\s*\w+\s*\)|\w+)', \$_, \$line, \$column, \$name)) {
1218             return 0;
1219         }
1220
1221         my $p = 0;
1222         if(s/^__P\s*\(//) {
1223             $self->_update_c_position($&, \$line, \$column);
1224             $p = 1;
1225         }
1226
1227         if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
1228             return 0;
1229         }
1230
1231         if($p) {
1232             if (s/^\)//) {
1233                 $self->_update_c_position($&, \$line, \$column);
1234             } else {
1235                 $self->_parse_c_error($_, $line, $column, "function");
1236             }
1237         }
1238     }
1239
1240
1241     if($self->_parse_c('__attribute__\s*\(\s*\(\s*(?:constructor|destructor)\s*\)\s*\)', \$_, \$line, \$column)) {
1242         # Nothing
1243     }
1244
1245     my $kar;
1246     # FIXME: Implement proper handling of K&R C functions
1247     $self->_parse_c_until_one_of("{", \$_, \$line, \$column, $kar);
1248
1249     if($kar) {
1250         $output->write("K&R: $kar\n");
1251     }
1252
1253     if($_ && !$self->parse_c_block(\$_, \$line, \$column, \$statements, \$statements_line, \$statements_column)) {
1254         return 0;
1255     }
1256
1257     my $end_line = $line;
1258     my $end_column = $column;
1259
1260     $$refcurrent = $_;
1261     $$refline = $line;
1262     $$refcolumn = $column;
1263
1264     my $function = &$$create_function;
1265
1266     $function->file($$file);
1267     $function->begin_line($begin_line);
1268     $function->begin_column($begin_column);
1269     $function->end_line($end_line);
1270     $function->end_column($end_column);
1271     $function->linkage($linkage);
1272     $function->return_type($return_type);
1273     $function->calling_convention($calling_convention);
1274     $function->name($name);
1275     # if(defined($argument_types)) {
1276     #     $function->argument_types([@$argument_types]);
1277     # }
1278     # if(defined($argument_names)) {
1279     #     $function->argument_names([@$argument_names]);
1280     # }
1281     $function->statements_line($statements_line);
1282     $function->statements_column($statements_column);
1283     $function->statements($statements);
1284
1285     $$reffunction = $function;
1286
1287     return 1;
1288 }
1289
1290 ########################################################################
1291 # parse_c_function_call
1292
1293 sub parse_c_function_call($$$$$$$$) {
1294     my $self = shift;
1295
1296     my $refcurrent = shift;
1297     my $refline = shift;
1298     my $refcolumn = shift;
1299
1300     my $refname = shift;
1301     my $refarguments = shift;
1302     my $refargument_lines = shift;
1303     my $refargument_columns = shift;
1304
1305     local $_ = $$refcurrent;
1306     my $line = $$refline;
1307     my $column = $$refcolumn;
1308
1309     my $name;
1310     my @arguments;
1311     my @argument_lines;
1312     my @argument_columns;
1313
1314     if(s/^(\w+)(\s*)(?=\()//s) {
1315         $self->_update_c_position($&, \$line, \$column);
1316
1317         $name = $1;
1318
1319         if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
1320             return 0;
1321         }
1322     } else {
1323         return 0;
1324     }
1325
1326     $$refcurrent = $_;
1327     $$refline = $line;
1328     $$refcolumn = $column;
1329
1330     $$refname = $name;
1331     @$refarguments = @arguments;
1332     @$refargument_lines = @argument_lines;
1333     @$refargument_columns = @argument_columns;
1334
1335     return 1;
1336 }
1337
1338 ########################################################################
1339 # parse_c_preprocessor
1340
1341 sub parse_c_preprocessor($$$$) {
1342     my $self = shift;
1343
1344     my $found_preprocessor = \${$self->{FOUND_PREPROCESSOR}};
1345
1346     my $refcurrent = shift;
1347     my $refline = shift;
1348     my $refcolumn = shift;
1349
1350     local $_ = $$refcurrent;
1351     my $line = $$refline;
1352     my $column = $$refcolumn;
1353
1354     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1355
1356     my $begin_line = $line;
1357     my $begin_column = $column + 1;
1358
1359     if(!&$$found_preprocessor($begin_line, $begin_column, "$_")) {
1360         return 1;
1361     }
1362
1363     if(/^\#\s*define\s*(.*?)$/s) {
1364         $self->_update_c_position($_, \$line, \$column);
1365     } elsif(/^\#\s*else/s) {
1366         $self->_update_c_position($_, \$line, \$column);
1367     } elsif(/^\#\s*endif/s) {
1368         $self->_update_c_position($_, \$line, \$column);
1369     } elsif(/^\#\s*(?:if|ifdef|ifndef)?\s*(.*?)$/s) {
1370         $self->_update_c_position($_, \$line, \$column);
1371     } elsif(/^\#\s*include\s+(.*?)$/s) {
1372         $self->_update_c_position($_, \$line, \$column);
1373     } elsif(/^\#\s*undef\s+(.*?)$/s) {
1374         $self->_update_c_position($_, \$line, \$column);
1375     } else {
1376         $self->_parse_c_error($_, $line, $column, "preprocessor");
1377     }
1378
1379     $$refcurrent = $_;
1380     $$refline = $line;
1381     $$refcolumn = $column;
1382
1383     return 1;
1384 }
1385
1386 ########################################################################
1387 # parse_c_statement
1388
1389 sub parse_c_statement($$$$) {
1390     my $self = shift;
1391
1392     my $refcurrent = shift;
1393     my $refline = shift;
1394     my $refcolumn = shift;
1395
1396     my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
1397
1398     local $_ = $$refcurrent;
1399     my $line = $$refline;
1400     my $column = $$refcolumn;
1401
1402     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1403
1404     $self->_parse_c('(?:case\s+)?(\w+)\s*:\s*', \$_, \$line, \$column);
1405
1406     # $output->write("$line.$column: statement: '$_'\n");
1407
1408     if(/^$/) {
1409         # Nothing
1410     } elsif(/^\{/) {
1411         my $statements;
1412         my $statements_line;
1413         my $statements_column;
1414         if(!$self->parse_c_block(\$_, \$line, \$column, \$statements, \$statements_line, \$statements_column)) {
1415             return 0;
1416         }
1417         if(!$self->parse_c_statements(\$statements, \$statements_line, \$statements_column)) {
1418             return 0;
1419         }
1420     } elsif(s/^(for|if|switch|while)\s*(?=\()//) {
1421         $self->_update_c_position($&, \$line, \$column);
1422
1423         my $name = $1;
1424
1425         my @arguments;
1426         my @argument_lines;
1427         my @argument_columns;
1428         if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
1429             return 0;
1430         }
1431
1432         $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1433         if(!$self->parse_c_statement(\$_, \$line, \$column)) {
1434             return 0;
1435         }
1436         $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1437
1438         while(defined(my $argument = shift @arguments) &&
1439               defined(my $argument_line = shift @argument_lines) &&
1440               defined(my $argument_column = shift @argument_columns))
1441         {
1442             $self->parse_c_expression(\$argument, \$argument_line, \$argument_column);
1443         }
1444     } elsif(s/^else//) {
1445         $self->_update_c_position($&, \$line, \$column);
1446         if(!$self->parse_c_statement(\$_, \$line, \$column)) {
1447             return 0;
1448         }
1449     } elsif(s/^return//) {
1450         $self->_update_c_position($&, \$line, \$column);
1451         $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1452         if(!$self->parse_c_expression(\$_, \$line, \$column)) {
1453             return 0;
1454         }
1455     } elsif($self->parse_c_expression(\$_, \$line, \$column)) {
1456         # Nothing
1457     } else {
1458         # $self->_parse_c_error($_, $line, $column, "statement");
1459     }
1460
1461     $self->_update_c_position($_, \$line, \$column);
1462
1463     $$refcurrent = $_;
1464     $$refline = $line;
1465     $$refcolumn = $column;
1466
1467     return 1;
1468 }
1469
1470 ########################################################################
1471 # parse_c_statements
1472
1473 sub parse_c_statements($$$$) {
1474     my $self = shift;
1475
1476     my $refcurrent = shift;
1477     my $refline = shift;
1478     my $refcolumn = shift;
1479
1480     my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
1481
1482     local $_ = $$refcurrent;
1483     my $line = $$refline;
1484     my $column = $$refcolumn;
1485
1486     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1487
1488     # $output->write("$line.$column: statements: '$_'\n");
1489
1490     my $statement = "";
1491     my $statement_line = $line;
1492     my $statement_column = $column;
1493
1494     my $previous_line = -1;
1495     my $previous_column = -1;
1496
1497     my $blevel = 1;
1498     my $plevel = 1;
1499     while($plevel > 0 || $blevel > 0) {
1500         my $match;
1501         $self->_parse_c_until_one_of("\\(\\)\\[\\]\\{\\};", \$_, \$line, \$column, \$match);
1502
1503         if($previous_line == $line && $previous_column == $column) {
1504             $self->_parse_c_error($_, $line, $column, "statements", "no progress");
1505         }
1506         $previous_line = $line;
1507         $previous_column = $column;
1508
1509         # $output->write("'$match' '$_'\n");
1510
1511         $statement .= $match;
1512         $column++;
1513         if(s/^[\(\[]//) {
1514             $plevel++;
1515             $statement .= $&;
1516         } elsif(s/^[\)\]]//) {
1517             $plevel--;
1518             if($plevel <= 0) {
1519                 $self->_parse_c_error($_, $line, $column, "statements");
1520             }
1521             $statement .= $&;
1522         } elsif(s/^\{//) {
1523             $blevel++;
1524             $statement .= $&;
1525         } elsif(s/^\}//) {
1526             $blevel--;
1527             $statement .= $&;
1528             if($blevel == 1) {
1529                 if(!$self->parse_c_statement(\$statement, \$statement_line, \$statement_column)) {
1530                     return 0;
1531                 }
1532                 $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1533                 $statement = "";
1534                 $statement_line = $line;
1535                 $statement_column = $column;
1536             }
1537         } elsif(s/^;//) {
1538             if($plevel == 1 && $blevel == 1) {
1539                 if(!$self->parse_c_statement(\$statement, \$statement_line, \$statement_column)) {
1540                     return 0;
1541                 }
1542
1543                 $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1544                 $statement = "";
1545                 $statement_line = $line;
1546                 $statement_column = $column;
1547             } else {
1548                 $statement .= $&;
1549             }
1550         } elsif(/^\s*$/ && $statement =~ /^\s*$/ && $match =~ /^\s*$/) {
1551             $plevel = 0;
1552             $blevel = 0;
1553         } else {
1554             $self->_parse_c_error($_, $line, $column, "statements");
1555         }
1556     }
1557
1558     $self->_update_c_position($_, \$line, \$column);
1559
1560     $$refcurrent = $_;
1561     $$refline = $line;
1562     $$refcolumn = $column;
1563
1564     return 1;
1565 }
1566
1567 ########################################################################
1568 # parse_c_struct_union
1569
1570 sub parse_c_struct_union($$$$$$$$$) {
1571     my $self = shift;
1572
1573     my $refcurrent = shift;
1574     my $refline = shift;
1575     my $refcolumn = shift;
1576
1577     my $refkind = shift;
1578     my $ref_name = shift;
1579     my $reffield_type_names = shift;
1580     my $reffield_names = shift;
1581     my $refnames = shift;
1582
1583     local $_ = $$refcurrent;
1584     my $line = $$refline;
1585     my $column = $$refcolumn;
1586
1587     my $kind;
1588     my $_name;
1589     my @field_type_names = ();
1590     my @field_names = ();
1591     my @names = ();
1592
1593     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1594
1595     if (!s/^(interface\s+|struct\s+|union\s+)((?:MSVCRT|WS)\(\s*\w+\s*\)|\w+)?\s*\{\s*//s) {
1596         return 0;
1597     }
1598     $kind = $1;
1599     $_name = $2 || "";
1600
1601     $self->_update_c_position($&, \$line, \$column);
1602
1603     $kind =~ s/\s+//g;
1604
1605     my $match;
1606     while ($_ && $self->_parse_c_on_same_level_until_one_of(';', \$_, \$line, \$column, \$match))
1607     {
1608         my $field_linkage;
1609         my $field_type_name;
1610         my $field_name;
1611
1612         if ($self->parse_c_variable(\$match, \$line, \$column, \$field_linkage, \$field_type_name, \$field_name)) {
1613             $field_type_name =~ s/\s+/ /g;
1614
1615             push @field_type_names, $field_type_name;
1616             push @field_names, $field_name;
1617             # $output->write("$kind:$_name:$field_type_name:$field_name\n");
1618         } elsif ($match) {
1619             $self->_parse_c_error($_, $line, $column, "typedef $kind: '$match'");
1620         }
1621
1622         if ($self->_parse_c(';', \$_, \$line, \$column)) {
1623             next;
1624         } elsif ($self->_parse_c('}', \$_, \$line, \$column)) {
1625             # FIXME: Kludge
1626             my $tuple = "($_)";
1627             my $tuple_line = $line;
1628             my $tuple_column = $column - 1;
1629
1630             my @arguments;
1631             my @argument_lines;
1632             my @argument_columns;
1633
1634             if(!$self->parse_c_tuple(\$tuple, \$tuple_line, \$tuple_column,
1635                                      \@arguments, \@argument_lines, \@argument_columns))
1636             {
1637                 $self->_parse_c_error($_, $line, $column, "$kind");
1638             }
1639
1640             foreach my $argument (@arguments) {
1641                 my $name = $argument;
1642
1643                 push @names, $name;
1644             }
1645
1646             last;
1647         } else {
1648             $self->_parse_c_error($_, $line, $column, "$kind");
1649         }
1650     }
1651
1652     $$refcurrent = $_;
1653     $$refline = $line;
1654     $$refcolumn = $column;
1655
1656     $$refkind = $kind;
1657     $$ref_name = $_name;
1658     @$reffield_type_names = @field_type_names;
1659     @$reffield_names = @field_names;
1660     @$refnames = @names;
1661
1662     return 1;
1663 }
1664
1665 ########################################################################
1666 # parse_c_tuple
1667
1668 sub parse_c_tuple($$$$$$$) {
1669     my $self = shift;
1670
1671     my $refcurrent = shift;
1672     my $refline = shift;
1673     my $refcolumn = shift;
1674
1675     # FIXME: Should not write directly
1676     my $items = shift;
1677     my $item_lines = shift;
1678     my $item_columns = shift;
1679
1680     local $_ = $$refcurrent;
1681
1682     my $line = $$refline;
1683     my $column = $$refcolumn;
1684
1685     my $item;
1686     if(s/^\(//) {
1687         $column++;
1688         $item = "";
1689     } else {
1690         return 0;
1691     }
1692
1693     my $item_line = $line;
1694     my $item_column = $column + 1;
1695
1696     my $plevel = 1;
1697     while($plevel > 0) {
1698         my $match;
1699         $self->_parse_c_until_one_of("\\(,\\)", \$_, \$line, \$column, \$match);
1700
1701         $column++;
1702
1703         $item .= $match;
1704         if(s/^\)//) {
1705             $plevel--;
1706             if($plevel == 0) {
1707                 push @$item_lines, $item_line;
1708                 push @$item_columns, $item_column;
1709                 push @$items, $item;
1710                 $item = "";
1711             } else {
1712                 $item .= ")";
1713             }
1714         } elsif(s/^\(//) {
1715             $plevel++;
1716             $item .= "(";
1717         } elsif(s/^,//) {
1718             if($plevel == 1) {
1719                 push @$item_lines, $item_line;
1720                 push @$item_columns, $item_column;
1721                 push @$items, $item;
1722                 $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1723                 $item_line = $line;
1724                 $item_column = $column + 1;
1725                 $item = "";
1726             } else {
1727                 $item .= ",";
1728             }
1729         } else {
1730             return 0;
1731         }
1732     }
1733
1734     $$refcurrent = $_;
1735     $$refline = $line;
1736     $$refcolumn = $column;
1737
1738     return 1;
1739 }
1740
1741 ########################################################################
1742 # parse_c_type
1743
1744 sub parse_c_type($$$$$) {
1745     my $self = shift;
1746
1747     my $refcurrent = shift;
1748     my $refline = shift;
1749     my $refcolumn = shift;
1750
1751     my $reftype = shift;
1752
1753     local $_ = $$refcurrent;
1754     my $line = $$refline;
1755     my $column = $$refcolumn;
1756
1757     my $type;
1758
1759     $self->_parse_c("(?:const|volatile)", \$_, \$line, \$column);
1760
1761     if($self->_parse_c('ICOM_VTABLE\(.*?\)', \$_, \$line, \$column, \$type)) {
1762         # Nothing
1763     } elsif($self->_parse_c('(?:enum\s+|interface\s+|struct\s+|union\s+)?(?:(?:MSVCRT|WS)\(\s*\w+\s*\)|\w+)\s*(\*\s*)*',
1764                             \$_, \$line, \$column, \$type))
1765     {
1766         # Nothing
1767     } else {
1768         return 0;
1769     }
1770     $type =~ s/\s//g;
1771
1772     $$refcurrent = $_;
1773     $$refline = $line;
1774     $$refcolumn = $column;
1775
1776     $$reftype = $type;
1777
1778     return 1;
1779 }
1780
1781 ########################################################################
1782 # parse_c_typedef
1783
1784 sub parse_c_typedef($$$$) {
1785     my $self = shift;
1786
1787     my $create_type = \${$self->{CREATE_TYPE}};
1788     my $found_type = \${$self->{FOUND_TYPE}};
1789     my $preprocessor_condition = \${$self->{PREPROCESSOR_CONDITION}};
1790
1791     my $refcurrent = shift;
1792     my $refline = shift;
1793     my $refcolumn = shift;
1794
1795     local $_ = $$refcurrent;
1796     my $line = $$refline;
1797     my $column = $$refcolumn;
1798
1799     my $type;
1800
1801     if (!$self->_parse_c("typedef", \$_, \$line, \$column)) {
1802         return 0;
1803     }
1804
1805     my $finished = 0;
1806
1807     if ($finished) {
1808         # Nothing
1809     } elsif ($self->parse_c_enum(\$_, \$line, \$column)) {
1810         $finished = 1;
1811     }
1812
1813     my $kind;
1814     my $_name;
1815     my @field_type_names;
1816     my @field_names;
1817     my @names;
1818     if ($finished) {
1819         # Nothing
1820     } elsif ($self->parse_c_struct_union(\$_, \$line, \$column,
1821                                          \$kind, \$_name, \@field_type_names, \@field_names, \@names))
1822     {
1823         my $base_name;
1824         foreach my $name (@names)
1825         {
1826             if ($name =~ /^\w+$/)
1827             {
1828                 $base_name = $name;
1829                 last;
1830             }
1831         }
1832         $base_name="$kind $_name" if (!defined $base_name and defined $_name);
1833         $base_name=$kind if (!defined $base_name);
1834         foreach my $name (@names) {
1835             if ($name =~ /^\w+$/) {
1836                 my $type = &$$create_type();
1837
1838                 $type->kind($kind);
1839                 $type->_name($_name);
1840                 $type->name($name);
1841                 $type->field_type_names([@field_type_names]);
1842                 $type->field_names([@field_names]);
1843
1844                 &$$found_type($type);
1845             } elsif ($name =~ /^(\*+)\s*(?:RESTRICTED_POINTER\s+)?(\w+)$/) {
1846                 my $type_name = "$base_name $1";
1847                 $name = $2;
1848
1849                 my $type = &$$create_type();
1850
1851                 $type->kind("");
1852                 $type->name($name);
1853                 $type->field_type_names([$type_name]);
1854                 $type->field_names([""]);
1855
1856                 &$$found_type($type);
1857             } else {
1858                 $self->_parse_c_error($_, $line, $column, "typedef 2");
1859             }
1860         }
1861
1862         $finished = 1;
1863     }
1864
1865     my $linkage;
1866     my $type_name;
1867     my $name;
1868     if ($finished) {
1869         # Nothing
1870     } elsif ($self->parse_c_variable(\$_, \$line, \$column, \$linkage, \$type_name, \$name)) {
1871         $type_name =~ s/\s+/ /g;
1872
1873         if(defined($type_name) && defined($name)) {
1874             my $type = &$$create_type();
1875
1876             if (length($name) == 0) {
1877                 $self->_parse_c_error($_, $line, $column, "typedef");
1878             }
1879
1880             $type->kind("");
1881             $type->name($name);
1882             $type->field_type_names([$type_name]);
1883             $type->field_names([""]);
1884
1885             &$$found_type($type);
1886         }
1887
1888         if (0 && $_ && !/^,/) {
1889             $self->_parse_c_error($_, $line, $column, "typedef");
1890         }
1891     } else {
1892         $self->_parse_c_error($_, $line, $column, "typedef");
1893     }
1894
1895     $$refcurrent = $_;
1896     $$refline = $line;
1897     $$refcolumn = $column;
1898
1899     return 1;
1900 }
1901
1902 ########################################################################
1903 # parse_c_variable
1904
1905 sub parse_c_variable($$$$$$$) {
1906     my $self = shift;
1907
1908     my $found_variable = \${$self->{FOUND_VARIABLE}};
1909
1910     my $refcurrent = shift;
1911     my $refline = shift;
1912     my $refcolumn = shift;
1913
1914     my $reflinkage = shift;
1915     my $reftype = shift;
1916     my $refname = shift;
1917
1918     local $_ = $$refcurrent;
1919     my $line = $$refline;
1920     my $column = $$refcolumn;
1921
1922     $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
1923
1924     my $begin_line = $line;
1925     my $begin_column = $column + 1;
1926
1927     my $linkage = "";
1928     my $sign = "";
1929     my $type = "";
1930     my $name = "";
1931
1932     # $self->_parse_c_warning($_, $line, $column, "variable");
1933
1934     my $match;
1935     while($self->_parse_c('(?:const|inline|extern(?:\s+\"C\")?|EXTERN_C|static|volatile|' .
1936                           'signed(?=\s+__int(?:8|16|32|64)\b|\s+char\b|\s+int\b|\s+long(?:\s+long)?\b|\s+short\b)|' .
1937                           'unsigned(?=\s+__int(?:8|16|32|64)\b|\s+char\b|\s+int\b|\s+long(?:\s+long)?\b|\s+short\b)|' .
1938                           'long(?=\s+double\b|\s+int\b|\s+long\b))(?=\b)',
1939                           \$_, \$line, \$column, \$match))
1940     {
1941         if ($match =~ /^(?:extern|static)$/) {
1942             if (!$linkage) {
1943                 $linkage = $match;
1944             } else {
1945                 $self->_parse_c_warning($_, $line, $column, "repeated linkage (ignored): $match");
1946             }
1947         } elsif ($match =~ /^(?:signed|unsigned)$/) {
1948             if (!$sign) {
1949                 $sign = "$match ";
1950             } else {
1951                 $self->_parse_c_warning($_, $line, $column, "repeated sign (ignored): $match");
1952             }
1953         }
1954     }
1955
1956     my $finished = 0;
1957
1958     if($finished) {
1959         # Nothing
1960     } elsif(/^$/) {
1961         return 0;
1962     } elsif (s/^(enum\s+|interface\s+|struct\s+|union\s+)((?:MSVCRT|WS)\(\s*\w+\s*\)|\w+)?\s*\{\s*//s) {
1963         my $kind = $1;
1964         my $_name = $2;
1965         $self->_update_c_position($&, \$line, \$column);
1966
1967         if(defined($_name)) {
1968             $type = "$kind $_name { }";
1969         } else {
1970             $type = "$kind { }";
1971         }
1972
1973         $finished = 1;
1974     } elsif(s/^((?:enum\s+|interface\s+|struct\s+|union\s+)?\w+\b(?:\s+DECLSPEC_ALIGN\(.*?\)|\s*(?:const\s*|volatile\s*)?\*)*)\s*(\w+)\s*(\[.*?\]$|:\s*(\d+)$|\{)?//s) {
1975         $type = "$sign$1";
1976         $name = $2;
1977
1978         if (defined($3)) {
1979             my $bits = $4;
1980             local $_ = $3;
1981             if (/^\[/) {
1982                 $type .= $_;
1983             } elsif (/^:/) {
1984                 $type .= ":$bits";
1985             } elsif (/^\{/) {
1986                 # Nothing
1987             }
1988         }
1989
1990         $type = $self->_format_c_type($type);
1991
1992         $finished = 1;
1993     } elsif(s/^((?:enum\s+|interface\s+|struct\s+|union\s+)?\w+\b(?:\s*\*)*)\s*:\s*(\d+)$//s) {
1994         $type = "$sign$1:$2";
1995         $name = "";
1996         $type = $self->_format_c_type($type);
1997
1998         $finished = 1;
1999     } elsif(s/^((?:enum\s+|interface\s+|struct\s+|union\s+)?\w+\b(?:\s*\*)*\s*\(\s*(?:$CALL_CONVENTION)?(?:\s*\*)*)\s*(\w+)\s*(\)\s*\(.*?\))$//s) {
2000         $type = $self->_format_c_type("$sign$1$3");
2001         $name = $2;
2002
2003         $finished = 1;
2004     } elsif($self->_parse_c('DEFINE_GUID', \$_, \$line, \$column, \$match)) { # Windows specific
2005         $type = $match;
2006         $finished = 1;
2007     } else {
2008         $self->_parse_c_warning($_, $line, $column, "variable", "'$_'");
2009         $finished = 1;
2010     }
2011
2012     if($finished) {
2013         # Nothing
2014     } elsif($self->_parse_c('SEQ_DEFINEBUF', \$_, \$line, \$column, \$match)) { # Linux specific
2015         $type = $match;
2016         $finished = 1;
2017     } elsif($self->_parse_c('DEFINE_REGS_ENTRYPOINT_\w+|DPQ_DECL_\w+|HANDLER_DEF|IX86_ONLY', # Wine specific
2018                             \$_, \$line, \$column, \$match))
2019     {
2020         $type = $match;
2021         $finished = 1;
2022     } elsif($self->_parse_c('(?:struct\s+)?ICOM_VTABLE\s*\(\w+\)', \$_, \$line, \$column, \$match)) {
2023         $type = $match;
2024         $finished = 1;
2025     } elsif(s/^(enum|interface|struct|union)(?:\s+(\w+))?\s*\{.*?\}\s*//s) {
2026         my $kind = $1;
2027         my $_name = $2;
2028         $self->_update_c_position($&, \$line, \$column);
2029
2030         if(defined($_name)) {
2031             $type = "struct $_name { }";
2032         } else {
2033             $type = "struct { }";
2034         }
2035     } elsif(s/^((?:enum\s+|interface\s+|struct\s+|union\s+)?\w+)\s*(?:\*\s*)*//s) {
2036         $type = $&;
2037         $type =~ s/\s//g;
2038     } else {
2039         return 0;
2040     }
2041
2042     # $output->write("*** $type: '$_'\n");
2043
2044     # $self->_parse_c_warning($_, $line, $column, "variable2", "");
2045
2046     if($finished) {
2047         # Nothing
2048     } elsif(s/^WINAPI\s*//) {
2049         $self->_update_c_position($&, \$line, \$column);
2050     }
2051
2052     if($finished) {
2053         # Nothing
2054     } elsif(s/^(\((?:$CALL_CONVENTION)?\s*\*?\s*(?:$CALL_CONVENTION)?\w+\s*(?:\[[^\]]*\]\s*)*\))\s*\(//) {
2055         $self->_update_c_position($&, \$line, \$column);
2056
2057         $name = $1;
2058         $name =~ s/\s//g;
2059
2060         $self->_parse_c_until_one_of("\\)", \$_, \$line, \$column);
2061         if(s/^\)//) { $column++; }
2062         $self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
2063
2064         if(!s/^(?:=\s*|,\s*|$)//) {
2065             return 0;
2066         }
2067     } elsif(s/^(?:\*\s*)*(?:const\s+|volatile\s+)?(\w+)\s*(?:\[[^\]]*\]\s*)*\s*(?:=\s*|,\s*|$)//) {
2068         $self->_update_c_position($&, \$line, \$column);
2069
2070         $name = $1;
2071         $name =~ s/\s//g;
2072     } elsif(/^$/) {
2073         $name = "";
2074     } else {
2075         return 0;
2076     }
2077
2078     # $output->write("$type: $name: '$_'\n");
2079
2080     $$refcurrent = $_;
2081     $$refline = $line;
2082     $$refcolumn = $column;
2083
2084     $$reflinkage = $linkage;
2085     $$reftype = $type;
2086     $$refname = $name;
2087
2088     if(&$$found_variable($begin_line, $begin_column, $linkage, $type, $name))
2089     {
2090         # Nothing
2091     }
2092
2093     return 1;
2094 }
2095
2096 1;