tools/winebuild/parser.c

   1 /*
   2  * Spec file parser
   3  *
   4  * Copyright 1993 Robert J. Amstadt
   5  * Copyright 1995 Martin von Loewis
   6  * Copyright 1995, 1996, 1997, 2004 Alexandre Julliard
   7  * Copyright 1997 Eric Youngdale
   8  * Copyright 1999 Ulrich Weigand
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <assert.h>
  29 #include <ctype.h>
  30 #include <stdarg.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "build.h"
  38
  39 int current_line = 0;
  40
  41 static char ParseBuffer[512];
  42 static char TokenBuffer[512];
  43 static char *ParseNext = ParseBuffer;
  44 static FILE *input_file;
  45
  46 static const char *separator_chars;
  47 static const char *comment_chars;
  48
  49 static const char * const TypeNames[TYPE_NBTYPES] =
  50 {
  51     "variable",     /* TYPE_VARIABLE */
  52     "pascal",       /* TYPE_PASCAL */
  53     "equate",       /* TYPE_ABS */
  54     "stub",         /* TYPE_STUB */
  55     "stdcall",      /* TYPE_STDCALL */
  56     "cdecl",        /* TYPE_CDECL */
  57     "varargs",      /* TYPE_VARARGS */
  58     "extern"        /* TYPE_EXTERN */
  59 };
  60
  61 static const char * const FlagNames[] =
  62 {
  63     "norelay",     /* FLAG_NORELAY */
  64     "noname",      /* FLAG_NONAME */
  65     "ret16",       /* FLAG_RET16 */
  66     "ret64",       /* FLAG_RET64 */
  67     "i386",        /* FLAG_I386 */
  68     "register",    /* FLAG_REGISTER */
  69     "private",     /* FLAG_PRIVATE */
  70     NULL
  71 };
  72
  73 static int IsNumberString(const char *s)
  74 {
  75     while (*s) if (!isdigit(*s++)) return 0;
  76     return 1;
  77 }
  78
  79 inline static int is_token_separator( char ch )
  80 {
  81     return strchr( separator_chars, ch ) != NULL;
  82 }
  83
  84 inline static int is_token_comment( char ch )
  85 {
  86     return strchr( comment_chars, ch ) != NULL;
  87 }
  88
  89 /* get the next line from the input file, or return 0 if at eof */
  90 static int get_next_line(void)
  91 {
  92     ParseNext = ParseBuffer;
  93     current_line++;
  94     return (fgets(ParseBuffer, sizeof(ParseBuffer), input_file) != NULL);
  95 }
  96
  97 static const char * GetToken( int allow_eol )
  98 {
  99     char *p = ParseNext;
 100     char *token = TokenBuffer;
 101
 102     for (;;)
 103     {
 104         /* remove initial white space */
 105         p = ParseNext;
 106         while (isspace(*p)) p++;
 107
 108         if (*p == '\\' && p[1] == '\n')  /* line continuation */
 109         {
 110             if (!get_next_line())
 111             {
 112                 if (!allow_eol) error( "Unexpected end of file\n" );
 113                 return NULL;
 114             }
 115         }
 116         else break;
 117     }
 118
 119     if ((*p == '\0') || is_token_comment(*p))
 120     {
 121         if (!allow_eol) error( "Declaration not terminated properly\n" );
 122         return NULL;
 123     }
 124
 125     /*
 126      * Find end of token.
 127      */
 128     if (is_token_separator(*p))
 129     {
 130         /* a separator is always a complete token */
 131         *token++ = *p++;
 132     }
 133     else while (*p != '\0' && !is_token_separator(*p) && !isspace(*p))
 134     {
 135         if (*p == '\\') p++;
 136         if (*p) *token++ = *p++;
 137     }
 138     *token = '\0';
 139     ParseNext = p;
 140     return TokenBuffer;
 141 }
 142
 143
 144 static ORDDEF *add_entry_point( DLLSPEC *spec )
 145 {
 146     if (spec->nb_entry_points == spec->alloc_entry_points)
 147     {
 148         spec->alloc_entry_points += 128;
 149         spec->entry_points = xrealloc( spec->entry_points,
 150                                        spec->alloc_entry_points * sizeof(*spec->entry_points) );
 151     }
 152     return &spec->entry_points[spec->nb_entry_points++];
 153 }
 154
 155 /*******************************************************************
 156  *         parse_spec_variable
 157  *
 158  * Parse a variable definition in a .spec file.
 159  */
 160 static int parse_spec_variable( ORDDEF *odp, DLLSPEC *spec )
 161 {
 162     char *endptr;
 163     int *value_array;
 164     int n_values;
 165     int value_array_size;
 166     const char *token;
 167
 168     if (spec->type == SPEC_WIN32)
 169     {
 170         error( "'variable' not supported in Win32, use 'extern' instead\n" );
 171         return 0;
 172     }
 173
 174     if (!(token = GetToken(0))) return 0;
 175     if (*token != '(')
 176     {
 177         error( "Expected '(' got '%s'\n", token );
 178         return 0;
 179     }
 180
 181     n_values = 0;
 182     value_array_size = 25;
 183     value_array = xmalloc(sizeof(*value_array) * value_array_size);
 184
 185     for (;;)
 186     {
 187         if (!(token = GetToken(0)))
 188         {
 189             free( value_array );
 190             return 0;
 191         }
 192         if (*token == ')')
 193             break;
 194
 195         value_array[n_values++] = strtol(token, &endptr, 0);
 196         if (n_values == value_array_size)
 197         {
 198             value_array_size += 25;
 199             value_array = xrealloc(value_array,
 200                                    sizeof(*value_array) * value_array_size);
 201         }
 202
 203         if (endptr == NULL || *endptr != '\0')
 204         {
 205             error( "Expected number value, got '%s'\n", token );
 206             free( value_array );
 207             return 0;
 208         }
 209     }
 210
 211     odp->u.var.n_values = n_values;
 212     odp->u.var.values = xrealloc(value_array, sizeof(*value_array) * n_values);
 213     return 1;
 214 }
 215
 216
 217 /*******************************************************************
 218  *         parse_spec_export
 219  *
 220  * Parse an exported function definition in a .spec file.
 221  */
 222 static int parse_spec_export( ORDDEF *odp, DLLSPEC *spec )
 223 {
 224     const char *token;
 225     unsigned int i;
 226
 227     switch(spec->type)
 228     {
 229     case SPEC_WIN16:
 230         if (odp->type == TYPE_STDCALL)
 231         {
 232             error( "'stdcall' not supported for Win16\n" );
 233             return 0;
 234         }
 235         break;
 236     case SPEC_WIN32:
 237         if (odp->type == TYPE_PASCAL)
 238         {
 239             error( "'pascal' not supported for Win32\n" );
 240             return 0;
 241         }
 242         break;
 243     default:
 244         break;
 245     }
 246
 247     if (!(token = GetToken(0))) return 0;
 248     if (*token != '(')
 249     {
 250         error( "Expected '(' got '%s'\n", token );
 251         return 0;
 252     }
 253
 254     for (i = 0; i < sizeof(odp->u.func.arg_types); i++)
 255     {
 256         if (!(token = GetToken(0))) return 0;
 257         if (*token == ')')
 258             break;
 259
 260         if (!strcmp(token, "word"))
 261             odp->u.func.arg_types[i] = 'w';
 262         else if (!strcmp(token, "s_word"))
 263             odp->u.func.arg_types[i] = 's';
 264         else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
 265             odp->u.func.arg_types[i] = 'l';
 266         else if (!strcmp(token, "ptr"))
 267             odp->u.func.arg_types[i] = 'p';
 268         else if (!strcmp(token, "str"))
 269             odp->u.func.arg_types[i] = 't';
 270         else if (!strcmp(token, "wstr"))
 271             odp->u.func.arg_types[i] = 'W';
 272         else if (!strcmp(token, "segstr"))
 273             odp->u.func.arg_types[i] = 'T';
 274         else if (!strcmp(token, "double"))
 275         {
 276             odp->u.func.arg_types[i++] = 'l';
 277             if (i < sizeof(odp->u.func.arg_types)) odp->u.func.arg_types[i] = 'l';
 278         }
 279         else
 280         {
 281             error( "Unknown argument type '%s'\n", token );
 282             return 0;
 283         }
 284
 285         if (spec->type == SPEC_WIN32)
 286         {
 287             if (strcmp(token, "long") &&
 288                 strcmp(token, "ptr") &&
 289                 strcmp(token, "str") &&
 290                 strcmp(token, "wstr") &&
 291                 strcmp(token, "double"))
 292             {
 293                 error( "Type '%s' not supported for Win32\n", token );
 294                 return 0;
 295             }
 296         }
 297     }
 298     if ((*token != ')') || (i >= sizeof(odp->u.func.arg_types)))
 299     {
 300         error( "Too many arguments\n" );
 301         return 0;
 302     }
 303
 304     odp->u.func.arg_types[i] = '\0';
 305     if (odp->type == TYPE_VARARGS)
 306         odp->flags |= FLAG_NORELAY;  /* no relay debug possible for varags entry point */
 307
 308     if (!(token = GetToken(1)))
 309     {
 310         if (!strcmp( odp->name, "@" ))
 311         {
 312             error( "Missing handler name for anonymous function\n" );
 313             return 0;
 314         }
 315         odp->link_name = xstrdup( odp->name );
 316     }
 317     else
 318     {
 319         odp->link_name = xstrdup( token );
 320         if (strchr( odp->link_name, '.' ))
 321         {
 322             if (spec->type == SPEC_WIN16)
 323             {
 324                 error( "Forwarded functions not supported for Win16\n" );
 325                 return 0;
 326             }
 327             odp->flags |= FLAG_FORWARD;
 328         }
 329     }
 330     return 1;
 331 }
 332
 333
 334 /*******************************************************************
 335  *         parse_spec_equate
 336  *
 337  * Parse an 'equate' definition in a .spec file.
 338  */
 339 static int parse_spec_equate( ORDDEF *odp, DLLSPEC *spec )
 340 {
 341     char *endptr;
 342     int value;
 343     const char *token;
 344
 345     if (spec->type == SPEC_WIN32)
 346     {
 347         error( "'equate' not supported for Win32\n" );
 348         return 0;
 349     }
 350     if (!(token = GetToken(0))) return 0;
 351     value = strtol(token, &endptr, 0);
 352     if (endptr == NULL || *endptr != '\0')
 353     {
 354         error( "Expected number value, got '%s'\n", token );
 355         return 0;
 356     }
 357     odp->u.abs.value = value;
 358     return 1;
 359 }
 360
 361
 362 /*******************************************************************
 363  *         parse_spec_stub
 364  *
 365  * Parse a 'stub' definition in a .spec file
 366  */
 367 static int parse_spec_stub( ORDDEF *odp, DLLSPEC *spec )
 368 {
 369     odp->u.func.arg_types[0] = '\0';
 370     odp->link_name = xstrdup("");
 371     return 1;
 372 }
 373
 374
 375 /*******************************************************************
 376  *         parse_spec_extern
 377  *
 378  * Parse an 'extern' definition in a .spec file.
 379  */
 380 static int parse_spec_extern( ORDDEF *odp, DLLSPEC *spec )
 381 {
 382     const char *token;
 383
 384     if (spec->type == SPEC_WIN16)
 385     {
 386         error( "'extern' not supported for Win16, use 'variable' instead\n" );
 387         return 0;
 388     }
 389     if (!(token = GetToken(1)))
 390     {
 391         if (!strcmp( odp->name, "@" ))
 392         {
 393             error( "Missing handler name for anonymous extern\n" );
 394             return 0;
 395         }
 396         odp->link_name = xstrdup( odp->name );
 397     }
 398     else
 399     {
 400         odp->link_name = xstrdup( token );
 401         if (strchr( odp->link_name, '.' )) odp->flags |= FLAG_FORWARD;
 402     }
 403     return 1;
 404 }
 405
 406
 407 /*******************************************************************
 408  *         parse_spec_flags
 409  *
 410  * Parse the optional flags for an entry point in a .spec file.
 411  */
 412 static const char *parse_spec_flags( ORDDEF *odp )
 413 {
 414     unsigned int i;
 415     const char *token;
 416
 417     do
 418     {
 419         if (!(token = GetToken(0))) break;
 420         for (i = 0; FlagNames[i]; i++)
 421             if (!strcmp( FlagNames[i], token )) break;
 422         if (!FlagNames[i])
 423         {
 424             error( "Unknown flag '%s'\n", token );
 425             return NULL;
 426         }
 427         odp->flags |= 1 << i;
 428         token = GetToken(0);
 429     } while (token && *token == '-');
 430
 431     return token;
 432 }
 433
 434
 435 /*******************************************************************
 436  *         parse_spec_ordinal
 437  *
 438  * Parse an ordinal definition in a .spec file.
 439  */
 440 static int parse_spec_ordinal( int ordinal, DLLSPEC *spec )
 441 {
 442     const char *token;
 443
 444     ORDDEF *odp = add_entry_point( spec );
 445     memset( odp, 0, sizeof(*odp) );
 446
 447     if (!(token = GetToken(0))) goto error;
 448
 449     for (odp->type = 0; odp->type < TYPE_NBTYPES; odp->type++)
 450         if (TypeNames[odp->type] && !strcmp( token, TypeNames[odp->type] ))
 451             break;
 452
 453     if (odp->type >= TYPE_NBTYPES)
 454     {
 455         error( "Expected type after ordinal, found '%s' instead\n", token );
 456         goto error;
 457     }
 458
 459     if (!(token = GetToken(0))) goto error;
 460     if (*token == '-' && !(token = parse_spec_flags( odp ))) goto error;
 461
 462     odp->name = xstrdup( token );
 463     odp->lineno = current_line;
 464     odp->ordinal = ordinal;
 465
 466     switch(odp->type)
 467     {
 468     case TYPE_VARIABLE:
 469         if (!parse_spec_variable( odp, spec )) goto error;
 470         break;
 471     case TYPE_PASCAL:
 472     case TYPE_STDCALL:
 473     case TYPE_VARARGS:
 474     case TYPE_CDECL:
 475         if (!parse_spec_export( odp, spec )) goto error;
 476         break;
 477     case TYPE_ABS:
 478         if (!parse_spec_equate( odp, spec )) goto error;
 479         break;
 480     case TYPE_STUB:
 481         if (!parse_spec_stub( odp, spec )) goto error;
 482         break;
 483     case TYPE_EXTERN:
 484         if (!parse_spec_extern( odp, spec )) goto error;
 485         break;
 486     default:
 487         assert( 0 );
 488     }
 489
 490 #ifndef __i386__
 491     if (odp->flags & FLAG_I386)
 492     {
 493         /* ignore this entry point on non-Intel archs */
 494         spec->nb_entry_points--;
 495         return 1;
 496     }
 497 #endif
 498
 499     if (ordinal != -1)
 500     {
 501         if (!ordinal)
 502         {
 503             error( "Ordinal 0 is not valid\n" );
 504             goto error;
 505         }
 506         if (ordinal >= MAX_ORDINALS)
 507         {
 508             error( "Ordinal number %d too large\n", ordinal );
 509             goto error;
 510         }
 511         if (ordinal > spec->limit) spec->limit = ordinal;
 512         if (ordinal < spec->base) spec->base = ordinal;
 513         odp->ordinal = ordinal;
 514     }
 515
 516     if (!strcmp( odp->name, "@" ) || odp->flags & FLAG_NONAME)
 517     {
 518         if (ordinal == -1)
 519         {
 520             error( "Nameless function needs an explicit ordinal number\n" );
 521             goto error;
 522         }
 523         if (spec->type != SPEC_WIN32)
 524         {
 525             error( "Nameless functions not supported for Win16\n" );
 526             goto error;
 527         }
 528         if (!strcmp( odp->name, "@" )) free( odp->name );
 529         else odp->export_name = odp->name;
 530         odp->name = NULL;
 531     }
 532     return 1;
 533
 534 error:
 535     spec->nb_entry_points--;
 536     free( odp->name );
 537     return 0;
 538 }
 539
 540
 541 static int name_compare( const void *name1, const void *name2 )
 542 {
 543     ORDDEF *odp1 = *(ORDDEF **)name1;
 544     ORDDEF *odp2 = *(ORDDEF **)name2;
 545     return strcmp( odp1->name, odp2->name );
 546 }
 547
 548 /*******************************************************************
 549  *         assign_names
 550  *
 551  * Build the name array and catch duplicates.
 552  */
 553 static void assign_names( DLLSPEC *spec )
 554 {
 555     int i, j;
 556
 557     spec->nb_names = 0;
 558     for (i = 0; i < spec->nb_entry_points; i++)
 559         if (spec->entry_points[i].name) spec->nb_names++;
 560     if (!spec->nb_names) return;
 561
 562     spec->names = xmalloc( spec->nb_names * sizeof(spec->names[0]) );
 563     for (i = j = 0; i < spec->nb_entry_points; i++)
 564         if (spec->entry_points[i].name) spec->names[j++] = &spec->entry_points[i];
 565
 566     /* sort the list of names */
 567     qsort( spec->names, spec->nb_names, sizeof(spec->names[0]), name_compare );
 568
 569     /* check for duplicate names */
 570     for (i = 0; i < spec->nb_names - 1; i++)
 571     {
 572         if (!strcmp( spec->names[i]->name, spec->names[i+1]->name ))
 573         {
 574             current_line = max( spec->names[i]->lineno, spec->names[i+1]->lineno );
 575             error( "'%s' redefined\n%s:%d: First defined here\n",
 576                    spec->names[i]->name, input_file_name,
 577                    min( spec->names[i]->lineno, spec->names[i+1]->lineno ) );
 578         }
 579     }
 580 }
 581
 582 /*******************************************************************
 583  *         assign_ordinals
 584  *
 585  * Build the ordinal array.
 586  */
 587 static void assign_ordinals( DLLSPEC *spec )
 588 {
 589     int i, count, ordinal;
 590
 591     /* start assigning from base, or from 1 if no ordinal defined yet */
 592     if (spec->base == MAX_ORDINALS) spec->base = 1;
 593     if (spec->limit < spec->base) spec->limit = spec->base;
 594
 595     count = max( spec->limit + 1, spec->base + spec->nb_entry_points );
 596     spec->ordinals = xmalloc( count * sizeof(spec->ordinals[0]) );
 597     memset( spec->ordinals, 0, count * sizeof(spec->ordinals[0]) );
 598
 599     /* fill in all explicitly specified ordinals */
 600     for (i = 0; i < spec->nb_entry_points; i++)
 601     {
 602         ordinal = spec->entry_points[i].ordinal;
 603         if (ordinal == -1) continue;
 604         if (spec->ordinals[ordinal])
 605         {
 606             current_line = max( spec->entry_points[i].lineno, spec->ordinals[ordinal]->lineno );
 607             error( "ordinal %d redefined\n%s:%d: First defined here\n",
 608                    ordinal, input_file_name,
 609                    min( spec->entry_points[i].lineno, spec->ordinals[ordinal]->lineno ) );
 610         }
 611         else spec->ordinals[ordinal] = &spec->entry_points[i];
 612     }
 613
 614     /* now assign ordinals to the rest */
 615     for (i = 0, ordinal = spec->base; i < spec->nb_names; i++)
 616     {
 617         if (spec->names[i]->ordinal != -1) continue;  /* already has an ordinal */
 618         while (spec->ordinals[ordinal]) ordinal++;
 619         if (ordinal >= MAX_ORDINALS)
 620         {
 621             current_line = spec->names[i]->lineno;
 622             fatal_error( "Too many functions defined (max %d)\n", MAX_ORDINALS );
 623         }
 624         spec->names[i]->ordinal = ordinal;
 625         spec->ordinals[ordinal] = spec->names[i];
 626     }
 627     if (ordinal > spec->limit) spec->limit = ordinal;
 628 }
 629
 630
 631 /*******************************************************************
 632  *         parse_spec_file
 633  *
 634  * Parse a .spec file.
 635  */
 636 int parse_spec_file( FILE *file, DLLSPEC *spec )
 637 {
 638     const char *token;
 639
 640     input_file = file;
 641     current_line = 0;
 642
 643     comment_chars = "#;";
 644     separator_chars = "()-";
 645
 646     while (get_next_line())
 647     {
 648         if (!(token = GetToken(1))) continue;
 649         if (strcmp(token, "@") == 0)
 650         {
 651             if (spec->type != SPEC_WIN32)
 652             {
 653                 error( "'@' ordinals not supported for Win16\n" );
 654                 continue;
 655             }
 656             if (!parse_spec_ordinal( -1, spec )) continue;
 657         }
 658         else if (IsNumberString(token))
 659         {
 660             if (!parse_spec_ordinal( atoi(token), spec )) continue;
 661         }
 662         else
 663         {
 664             error( "Expected ordinal declaration, got '%s'\n", token );
 665             continue;
 666         }
 667         if ((token = GetToken(1))) error( "Syntax error near '%s'\n", token );
 668     }
 669
 670     current_line = 0;  /* no longer parsing the input file */
 671     assign_names( spec );
 672     assign_ordinals( spec );
 673     return !nb_errors;
 674 }
 675
 676
 677 /*******************************************************************
 678  *         parse_def_library
 679  *
 680  * Parse a LIBRARY declaration in a .def file.
 681  */
 682 static int parse_def_library( DLLSPEC *spec )
 683 {
 684     const char *token = GetToken(1);
 685
 686     if (!token) return 1;
 687     if (strcmp( token, "BASE" ))
 688     {
 689         free( spec->file_name );
 690         spec->file_name = xstrdup( token );
 691         if (!(token = GetToken(1))) return 1;
 692     }
 693     if (strcmp( token, "BASE" ))
 694     {
 695         error( "Expected library name or BASE= declaration, got '%s'\n", token );
 696         return 0;
 697     }
 698     if (!(token = GetToken(0))) return 0;
 699     if (strcmp( token, "=" ))
 700     {
 701         error( "Expected '=' after BASE, got '%s'\n", token );
 702         return 0;
 703     }
 704     if (!(token = GetToken(0))) return 0;
 705     /* FIXME: do something with base address */
 706
 707     return 1;
 708 }
 709
 710
 711 /*******************************************************************
 712  *         parse_def_stack_heap_size
 713  *
 714  * Parse a STACKSIZE or HEAPSIZE declaration in a .def file.
 715  */
 716 static int parse_def_stack_heap_size( int is_stack, DLLSPEC *spec )
 717 {
 718     const char *token = GetToken(0);
 719     char *end;
 720     unsigned long size;
 721
 722     if (!token) return 0;
 723     size = strtoul( token, &end, 0 );
 724     if (*end)
 725     {
 726         error( "Invalid number '%s'\n", token );
 727         return 0;
 728     }
 729     if (is_stack) spec->stack_size = size / 1024;
 730     else spec->heap_size = size / 1024;
 731     if (!(token = GetToken(1))) return 1;
 732     if (strcmp( token, "," ))
 733     {
 734         error( "Expected ',' after size, got '%s'\n", token );
 735         return 0;
 736     }
 737     if (!(token = GetToken(0))) return 0;
 738     /* FIXME: do something with reserve size */
 739     return 1;
 740 }
 741
 742
 743 /*******************************************************************
 744  *         parse_def_export
 745  *
 746  * Parse an export declaration in a .def file.
 747  */
 748 static int parse_def_export( char *name, DLLSPEC *spec )
 749 {
 750     int i, args;
 751     const char *token = GetToken(1);
 752
 753     ORDDEF *odp = add_entry_point( spec );
 754     memset( odp, 0, sizeof(*odp) );
 755
 756     odp->lineno = current_line;
 757     odp->ordinal = -1;
 758     odp->name = name;
 759     args = remove_stdcall_decoration( odp->name );
 760     if (args == -1) odp->type = TYPE_CDECL;
 761     else
 762     {
 763         odp->type = TYPE_STDCALL;
 764         args /= sizeof(int);
 765         if (args >= sizeof(odp->u.func.arg_types))
 766         {
 767             error( "Too many arguments in stdcall function '%s'\n", odp->name );
 768             return 0;
 769         }
 770         for (i = 0; i < args; i++) odp->u.func.arg_types[i] = 'l';
 771     }
 772
 773     /* check for optional internal name */
 774
 775     if (token && !strcmp( token, "=" ))
 776     {
 777         if (!(token = GetToken(0))) goto error;
 778         odp->link_name = xstrdup( token );
 779         remove_stdcall_decoration( odp->link_name );
 780         token = GetToken(1);
 781     }
 782
 783     /* check for optional ordinal */
 784
 785     if (token && token[0] == '@')
 786     {
 787         int ordinal;
 788
 789         if (!IsNumberString( token+1 ))
 790         {
 791             error( "Expected number after '@', got '%s'\n", token+1 );
 792             goto error;
 793         }
 794         ordinal = atoi( token+1 );
 795         if (!ordinal)
 796         {
 797             error( "Ordinal 0 is not valid\n" );
 798             goto error;
 799         }
 800         if (ordinal >= MAX_ORDINALS)
 801         {
 802             error( "Ordinal number %d too large\n", ordinal );
 803             goto error;
 804         }
 805         if (ordinal > spec->limit) spec->limit = ordinal;
 806         if (ordinal < spec->base) spec->base = ordinal;
 807         odp->ordinal = ordinal;
 808         token = GetToken(1);
 809     }
 810
 811     /* check for other optional keywords */
 812
 813     if (token && !strcmp( token, "NONAME" ))
 814     {
 815         if (odp->ordinal == -1)
 816         {
 817             error( "NONAME requires an ordinal\n" );
 818             goto error;
 819         }
 820         odp->export_name = odp->name;
 821         odp->name = NULL;
 822         odp->flags |= FLAG_NONAME;
 823         token = GetToken(1);
 824     }
 825     if (token && !strcmp( token, "PRIVATE" ))
 826     {
 827         odp->flags |= FLAG_PRIVATE;
 828         token = GetToken(1);
 829     }
 830     if (token && !strcmp( token, "DATA" ))
 831     {
 832         odp->type = TYPE_EXTERN;
 833         token = GetToken(1);
 834     }
 835     if (token)
 836     {
 837         error( "Garbage text '%s' found at end of export declaration\n", token );
 838         goto error;
 839     }
 840     return 1;
 841
 842 error:
 843     spec->nb_entry_points--;
 844     free( odp->name );
 845     return 0;
 846 }
 847
 848
 849 /*******************************************************************
 850  *         parse_def_file
 851  *
 852  * Parse a .def file.
 853  */
 854 int parse_def_file( FILE *file, DLLSPEC *spec )
 855 {
 856     const char *token;
 857     int in_exports = 0;
 858
 859     input_file = file;
 860     current_line = 0;
 861
 862     comment_chars = ";";
 863     separator_chars = ",=";
 864
 865     while (get_next_line())
 866     {
 867         if (!(token = GetToken(1))) continue;
 868
 869         if (!strcmp( token, "LIBRARY" ) || !strcmp( token, "NAME" ))
 870         {
 871             if (!parse_def_library( spec )) continue;
 872             goto end_of_line;
 873         }
 874         else if (!strcmp( token, "STACKSIZE" ))
 875         {
 876             if (!parse_def_stack_heap_size( 1, spec )) continue;
 877             goto end_of_line;
 878         }
 879         else if (!strcmp( token, "HEAPSIZE" ))
 880         {
 881             if (!parse_def_stack_heap_size( 0, spec )) continue;
 882             goto end_of_line;
 883         }
 884         else if (!strcmp( token, "EXPORTS" ))
 885         {
 886             in_exports = 1;
 887             if (!(token = GetToken(1))) continue;
 888         }
 889         else if (!strcmp( token, "IMPORTS" ))
 890         {
 891             in_exports = 0;
 892             if (!(token = GetToken(1))) continue;
 893         }
 894         else if (!strcmp( token, "SECTIONS" ))
 895         {
 896             in_exports = 0;
 897             if (!(token = GetToken(1))) continue;
 898         }
 899
 900         if (!in_exports) continue;  /* ignore this line */
 901         if (!parse_def_export( xstrdup(token), spec )) continue;
 902
 903     end_of_line:
 904         if ((token = GetToken(1))) error( "Syntax error near '%s'\n", token );
 905     }
 906
 907     current_line = 0;  /* no longer parsing the input file */
 908     assign_names( spec );
 909     assign_ordinals( spec );
 910     return !nb_errors;
 911 }
 912
 913
 914 /*******************************************************************
 915  *         add_debug_channel
 916  */
 917 static void add_debug_channel( const char *name )
 918 {
 919     int i;
 920
 921     for (i = 0; i < nb_debug_channels; i++)
 922         if (!strcmp( debug_channels[i], name )) return;
 923
 924     debug_channels = xrealloc( debug_channels, (nb_debug_channels + 1) * sizeof(*debug_channels));
 925     debug_channels[nb_debug_channels++] = xstrdup(name);
 926 }
 927
 928
 929 /*******************************************************************
 930  *         parse_debug_channels
 931  *
 932  * Parse a source file and extract the debug channel definitions.
 933  */
 934 int parse_debug_channels( const char *srcdir, const char *filename )
 935 {
 936     FILE *file;
 937     int eol_seen = 1;
 938
 939     file = open_input_file( srcdir, filename );
 940     while (fgets( ParseBuffer, sizeof(ParseBuffer), file ))
 941     {
 942         char *channel, *end, *p = ParseBuffer;
 943
 944         p = ParseBuffer + strlen(ParseBuffer) - 1;
 945         if (!eol_seen)  /* continuation line */
 946         {
 947             eol_seen = (*p == '\n');
 948             continue;
 949         }
 950         if ((eol_seen = (*p == '\n'))) *p = 0;
 951
 952         p = ParseBuffer;
 953         while (isspace(*p)) p++;
 954         if (!memcmp( p, "WINE_DECLARE_DEBUG_CHANNEL", 26 ) ||
 955             !memcmp( p, "WINE_DEFAULT_DEBUG_CHANNEL", 26 ))
 956         {
 957             p += 26;
 958             while (isspace(*p)) p++;
 959             if (*p != '(')
 960             {
 961                 error( "invalid debug channel specification '%s'\n", ParseBuffer );
 962                 goto next;
 963             }
 964             p++;
 965             while (isspace(*p)) p++;
 966             if (!isalpha(*p))
 967             {
 968                 error( "invalid debug channel specification '%s'\n", ParseBuffer );
 969                 goto next;
 970             }
 971             channel = p;
 972             while (isalnum(*p) || *p == '_') p++;
 973             end = p;
 974             while (isspace(*p)) p++;
 975             if (*p != ')')
 976             {
 977                 error( "invalid debug channel specification '%s'\n", ParseBuffer );
 978                 goto next;
 979             }
 980             *end = 0;
 981             add_debug_channel( channel );
 982         }
 983     next:
 984         current_line++;
 985     }
 986     close_input_file( file );
 987     return !nb_errors;
 988 }