git.oblomov.eu Git - wine/blob - tools/winapi_check/winapi_parser.pm

   1 package winapi_parser;
   2
   3 use strict;
   4
   5 sub parse_c_file {
   6     my $options = shift;
   7     my $output = shift;
   8     my $file = shift;
   9     my $function_found_callback = shift;
  10     my $preprocessor_found_callback = shift;
  11
  12     my $documentation;
  13     my $linkage;
  14     my $return_type;
  15     my $calling_convention;
  16     my $function = "";
  17     my $argument_types;
  18     my $argument_names;
  19     my $argument_documentations;
  20     my $statements;
  21
  22     my $function_begin = sub {
  23         $documentation = shift;
  24         $linkage = shift;
  25         $return_type= shift;
  26         $calling_convention = shift;
  27         $function = shift;
  28         $argument_types = shift;
  29         $argument_names = shift;
  30         $argument_documentations = shift;
  31
  32         if($#$argument_names == -1) {
  33             foreach my $n (0..$#$argument_types) {
  34                 push @$argument_names, "";
  35             }
  36         }
  37
  38         if($#$argument_documentations == -1) {
  39             foreach my $n (0..$#$argument_documentations) {
  40                 push @$argument_documentations, "";
  41             }
  42         }
  43
  44         $statements = "";
  45     };
  46     my $function_end = sub {
  47         &$function_found_callback($documentation,$linkage,$return_type,
  48                                   $calling_convention,$function,$argument_types,
  49                                   $argument_names,$argument_documentations,$statements);
  50         $function = "";
  51     };
  52
  53     my %regs_entrypoints;
  54     my @comments = ();
  55     my $level = 0;
  56     my $extern_c = 0;
  57     my $again = 0;
  58     my $lookahead = 0;
  59     my $lookahead_count = 0;
  60
  61     print STDERR "Processing file '$file' ... " if $options->verbose;
  62     open(IN, "< $file") || die "<internal>: $file: $!\n";
  63     $/ = "\n";
  64     while($again || defined(my $line = <IN>)) {
  65         if(!$again) {
  66             chomp $line;
  67
  68             if($lookahead) {
  69                 $lookahead = 0;
  70                 $_ .= "\n" . $line;
  71             } else {
  72                 $_ = $line;
  73                 $lookahead_count = 0;
  74             }
  75             $lookahead_count++;
  76             print " $level($lookahead_count): $line\n" if $options->debug >= 2;
  77             print "*** $_\n" if $options->debug >= 3;
  78         } else {
  79             $lookahead_count = 0;
  80             $again = 0;
  81         }
  82
  83         # Merge conflicts in file?
  84         if(/^(<<<<<<<|=======|>>>>>>>)/) {
  85             $output->write("$file: merge conflicts in file\n");
  86             last;
  87         }
  88
  89         # remove C comments
  90         if(s/^(.*?)(\/\*.*?\*\/)(.*)$/$1 $3/s) { push @comments, $2; $again = 1; next }
  91         if(/^(.*?)\/\*/s) {
  92             $lookahead = 1;
  93             next;
  94         }
  95
  96         # remove C++ comments
  97         while(s/^(.*?)\/\/.*?$/$1\n/s) { $again = 1 }
  98         if($again) { next; }
  99
 100         # remove empty rows
 101         if(/^\s*$/) { next; }
 102
 103         # remove preprocessor directives
 104         if(s/^\s*\#/\#/m) {
 105             if(/^\\#.*?\\$/m) {
 106                 $lookahead = 1;
 107                 next;
 108             } elsif(s/^\#\s*(.*?)(\s+(.*?))?\s*$//m) {
 109                 if(defined($3)) {
 110                     &$preprocessor_found_callback($1, $3);
 111                 } else {
 112                     &$preprocessor_found_callback($1, "");
 113                 }
 114                 next;
 115             }
 116         }
 117
 118         # Remove extern "C"
 119         if(s/^\s*extern\s+"C"\s+\{//m) {
 120             $extern_c = 1;
 121             $again = 1;
 122             next;
 123         }
 124
 125         my $documentation;
 126         my @argument_documentations;
 127         {
 128             my $n = $#comments;
 129             while($n >= 0 && ($comments[$n] !~ /^\/\*\*/ ||
 130                               $comments[$n] =~ /^\/\*\*+\//))
 131             {
 132                 $n--;
 133             }
 134
 135             if(defined($comments[$n]) && $n >= 0) {
 136                 $documentation = $comments[$n];
 137                 for(my $m=$n+1; $m <= $#comments; $m++) {
 138                     push @argument_documentations, $comments[$m];
 139                 }
 140             } else {
 141                 $documentation = "";
 142             }
 143         }
 144
 145         if($level > 0)
 146         {
 147             my $line = "";
 148             while(/^[^\{\}]/) {
 149                 s/^([^\{\}\'\"]*)//s;
 150                 $line .= $1;
 151                 if(s/^\'//) {
 152                     $line .= "\'";
 153                     while(/^./ && !s/^\'//) {
 154                         s/^([^\'\\]*)//s;
 155                         $line .= $1;
 156                         if(s/^\\//) {
 157                             $line .= "\\";
 158                             if(s/^(.)//s) {
 159                                 $line .= $1;
 160                                 if($1 eq "0") {
 161                                     s/^(\d{0,3})//s;
 162                                     $line .= $1;
 163                                 }
 164                             }
 165                         }
 166                     }
 167                     $line .= "\'";
 168                 } elsif(s/^\"//) {
 169                     $line .= "\"";
 170                     while(/^./ && !s/^\"//) {
 171                         s/^([^\"\\]*)//s;
 172                         $line .= $1;
 173                         if(s/^\\//) {
 174                             $line .= "\\";
 175                             if(s/^(.)//s) {
 176                                 $line .= $1;
 177                                 if($1 eq "0") {
 178                                     s/^(\d{0,3})//s;
 179                                     $line .= $1;
 180                                 }
 181                             }
 182                         }
 183                     }
 184                     $line .= "\"";
 185                 }
 186             }
 187
 188             if(s/^\{//) {
 189                 $_ = $'; $again = 1;
 190                 $line .= "{";
 191                 print "+1: \{$_\n" if $options->debug >= 2;
 192                 $level++;
 193             } elsif(s/^\}//) {
 194                 $_ = $'; $again = 1;
 195                 $line .= "}" if $level > 1;
 196                 print "-1: \}$_\n" if $options->debug >= 2;
 197                 $level--;
 198                 if($level == -1 && $extern_c) {
 199                     $extern_c = 0;
 200                     $level = 0;
 201                 }
 202             }
 203
 204             if($line !~ /^\s*$/) {
 205                 $statements .= "$line\n";
 206             }
 207
 208             if($function && $level == 0) {
 209                 &$function_end;
 210             }
 211             next;
 212         } elsif(/(extern\s+|static\s+)?((struct\s+|union\s+|enum\s+)?\w+((\s*\*)+\s*|\s+))
 213             ((__cdecl|__stdcall|CDECL|VFWAPIV|VFWAPI|WINAPIV|WINAPI|CALLBACK)\s+)?
 214             (\w+(\(\w+\))?)\s*\(([^\)]*)\)\s*(\{|\;)/sx)
 215         {
 216             $_ = $'; $again = 1;
 217
 218             if($11 eq "{")  {
 219                 $level++;
 220             }
 221
 222             my $linkage = $1;
 223             my $return_type = $2;
 224             my $calling_convention = $7;
 225             my $name = $8;
 226             my $arguments = $10;
 227
 228             if(!defined($linkage)) {
 229                 $linkage = "";
 230             }
 231
 232             if(!defined($calling_convention)) {
 233                 $calling_convention = "";
 234             }
 235
 236             $linkage =~ s/\s*$//;
 237
 238             $return_type =~ s/\s*$//;
 239             $return_type =~ s/\s*\*\s*/*/g;
 240             $return_type =~ s/(\*+)/ $1/g;
 241
 242             if($regs_entrypoints{$name}) {
 243                 $name = $regs_entrypoints{$name};
 244             }
 245
 246             $arguments =~ y/\t\n/  /;
 247             $arguments =~ s/^\s*(.*?)\s*$/$1/;
 248             if($arguments eq "") { $arguments = "void" }
 249
 250             my @argument_types;
 251             my @argument_names;
 252             my @arguments = split(/,/, $arguments);
 253             foreach my $n (0..$#arguments) {
 254                 my $argument_type = "";
 255                 my $argument_name = "";
 256                 my $argument = $arguments[$n];
 257                 $argument =~ s/^\s*(.*?)\s*$/$1/;
 258                 # print "  " . ($n + 1) . ": '$argument'\n";
 259                 $argument =~ s/^(IN OUT(?=\s)|IN(?=\s)|OUT(?=\s)|\s*)\s*//;
 260                 $argument =~ s/^(const(?=\s)|CONST(?=\s)|\s*)\s*//;
 261                 if($argument =~ /^\.\.\.$/) {
 262                     $argument_type = "...";
 263                     $argument_name = "...";
 264                 } elsif($argument =~ /^
 265                         ((?:struct\s+|union\s+|enum\s+|(?:signed\s+|unsigned\s+)
 266                           (?:short\s+(?=int)|long\s+(?=int))?)?\w+)\s*
 267                         ((?:const)?\s*(?:\*\s*?)*)\s*
 268                         (?:WINE_UNUSED\s+)?(\w*)\s*(?:\[\]|\s+OPTIONAL)?/x)
 269                 {
 270                     $argument_type = "$1";
 271                     if($2 ne "") {
 272                         $argument_type .= " $2";
 273                     }
 274                     $argument_name = $3;
 275
 276                     $argument_type =~ s/\s*const\s*/ /;
 277                     $argument_type =~ s/^\s*(.*?)\s*$/$1/;
 278
 279                     $argument_name =~ s/^\s*(.*?)\s*$/$1/;
 280                 } else {
 281                     die "$file: $.: syntax error: '$argument'\n";
 282                 }
 283                 $argument_types[$n] = $argument_type;
 284                 $argument_names[$n] = $argument_name;
 285                 # print "  " . ($n + 1) . ": '" . $argument_types[$n] . "', '" . $argument_names[$n] . "'\n";
 286             }
 287             if($#argument_types == 0 && $argument_types[0] =~ /^void$/i) {
 288                 $#argument_types = -1;
 289                 $#argument_names = -1;
 290             }
 291
 292             if($options->debug) {
 293                 print "$file: $return_type $calling_convention $name(" . join(",", @arguments) . ")\n";
 294             }
 295
 296             &$function_begin($documentation,$linkage,$return_type,$calling_convention,$name,\@argument_types,\@argument_names,\@argument_documentations);
 297             if($level == 0) {
 298                 &$function_end;
 299             }
 300         } elsif(/DC_(GET_X_Y|GET_VAL_16)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
 301             $_ = $'; $again = 1;
 302             my @arguments = ("HDC16");
 303             &$function_begin($documentation, "", $2, "WINAPI", $3, \@arguments);
 304             &$function_end;
 305         } elsif(/DC_(GET_VAL)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,.*?\)/s) {
 306             $_ = $'; $again = 1;
 307             my $return16 = $3 . "16";
 308             my $return32 = $3;
 309             my $name16 = $2 . "16";
 310             my $name32 = $2;
 311             my @arguments16 = ("HDC16");
 312             my @arguments32 = ("HDC");
 313
 314             if($name16 eq "COLORREF16") { $name16 = "COLORREF"; }
 315
 316             &$function_begin($documentation, "", $name16, "WINAPI", $return16, \@arguments16);
 317             &$function_end;
 318             &$function_begin($documentation, "", $name32, "WINAPI", $return32, \@arguments32);
 319             &$function_end;
 320         } elsif(/DC_(GET_VAL_EX)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
 321             $_ = $'; $again = 1;
 322             my @arguments16 = ("HDC16", "LP" . $5 . "16");
 323             my @arguments32 = ("HDC", "LP" . $5);
 324             &$function_begin($documentation, "", "BOOL16", "WINAPI", $2 . "16", \@arguments16);
 325             &$function_end;
 326             &$function_begin($documentation, "", "BOOL", "WINAPI", $2, \@arguments32);
 327             &$function_end;
 328         } elsif(/DC_(SET_MODE)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
 329             $_ = $'; $again = 1;
 330             my @arguments16 = ("HDC16", "INT16");
 331             my @arguments32 = ("HDC", "INT");
 332             &$function_begin($documentation, "", "INT16", "WINAPI", $2 . "16", \@arguments16);
 333             &$function_end;
 334             &$function_begin($documentation, "", "INT", "WINAPI", $2, \@arguments32);
 335             &$function_end;
 336         } elsif(/WAVEIN_SHORTCUT_0\s*\(\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
 337             $_ = $'; $again = 1;
 338             my @arguments16 = ("HWAVEIN16");
 339             my @arguments32 = ("HWAVEIN");
 340             &$function_begin($documentation, "", "UINT16", "WINAPI", "waveIn" . $1 . "16", \@arguments16);
 341             &$function_end;
 342             &$function_begin($documentation, "", "UINT", "WINAPI", "waveIn" . $1, \@arguments32);
 343             &$function_end;
 344         } elsif(/WAVEOUT_SHORTCUT_0\s*\(\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
 345             $_ = $'; $again = 1;
 346             my @arguments16 = ("HWAVEOUT16");
 347             my @arguments32 = ("HWAVEOUT");
 348             &$function_begin($documentation, "", "UINT16", "WINAPI", "waveOut" . $1 . "16", \@arguments16);
 349             &$function_end;
 350             &$function_begin($documentation, "", "UINT", "WINAPI", "waveOut" . $1, \@arguments32);
 351             &$function_end;
 352         } elsif(/WAVEOUT_SHORTCUT_(1|2)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
 353             $_ = $'; $again = 1;
 354             if($1 eq "1") {
 355                 my @arguments16 = ("HWAVEOUT16", $4);
 356                 my @arguments32 = ("HWAVEOUT", $4);
 357                 &$function_begin($documentation, "", "UINT16", "WINAPI", "waveOut" . $2 . "16", \@arguments16);
 358                 &$function_end;
 359                 &$function_begin($documentation, "", "UINT", "WINAPI", "waveOut" . $2, \@arguments32);
 360                 &$function_end;
 361             } elsif($1 eq 2) {
 362                 my @arguments16 = ("UINT16", $4);
 363                 my @arguments32 = ("UINT", $4);
 364                 &$function_begin($documentation, "", "UINT16", "WINAPI", "waveOut". $2 . "16", \@arguments16);
 365                 &$function_end;
 366                 &$function_begin($documentation, "", "UINT", "WINAPI", "waveOut" . $2, \@arguments32);
 367                 &$function_end;
 368             }
 369         } elsif(/DEFINE_REGS_ENTRYPOINT_\d+\(\s*(\S*)\s*,\s*([^\s,\)]*).*?\)/s) {
 370             $_ = $'; $again = 1;
 371             $regs_entrypoints{$2} = $1;
 372         } elsif(/\'[^\']*\'/s) {
 373             $_ = $'; $again = 1;
 374         } elsif(/\"[^\"]*\"/s) {
 375             $_ = $'; $again = 1;
 376         } elsif(/;/s) {
 377             $_ = $'; $again = 1;
 378         } elsif(/extern\s+"C"\s+{/s) {
 379             $_ = $'; $again = 1;
 380         } elsif(/\{/s) {
 381             $_ = $'; $again = 1;
 382             print "+1: $_\n" if $options->debug >= 2;
 383             $level++;
 384         } else {
 385             $lookahead = 1;
 386         }
 387     }
 388     close(IN);
 389     print STDERR "done\n" if $options->verbose;
 390     $output->write("$file: not at toplevel at end of file\n") unless $level == 0;
 391 }
 392
 393 1;