reactos/tools/spec2def/spec2def.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <ctype.h>
   4 #include <string.h>
   5
   6 #ifdef _MSC_VER
   7 #define strcasecmp _stricmp
   8 #endif
   9
  10 typedef struct _STRING
  11 {
  12     const char *buf;
  13     int len;
  14 } STRING, *PSTRING;
  15
  16 typedef struct
  17 {
  18     STRING strName;
  19     STRING strTarget;
  20     int nCallingConvention;
  21     int nOrdinal;
  22     int nStackBytes;
  23     int nArgCount;
  24     int anArgs[30];
  25     unsigned int uFlags;
  26     int nNumber;
  27 } EXPORT;
  28
  29 enum _ARCH
  30 {
  31     ARCH_X86,
  32     ARCH_AMD64,
  33     ARCH_IA64,
  34     ARCH_ARM,
  35     ARCH_PPC
  36 };
  37
  38 typedef int (*PFNOUTLINE)(FILE *, EXPORT *);
  39 int gbMSComp = 0;
  40 int gbImportLib = 0;
  41 int giArch = ARCH_X86;
  42 char *pszArchString = "i386";
  43 char *pszArchString2;
  44 char *pszDllName = 0;
  45 char *gpszUnderscore = "";
  46 int gbDebug;
  47 #define DbgPrint(...) (!gbDebug || fprintf(stderr, __VA_ARGS__))
  48
  49 enum
  50 {
  51     FL_PRIVATE = 1,
  52     FL_STUB = 2,
  53     FL_NONAME = 4,
  54     FL_ORDINAL = 8,
  55 };
  56
  57 enum
  58 {
  59     CC_STDCALL,
  60     CC_CDECL,
  61     CC_FASTCALL,
  62     CC_THISCALL,
  63     CC_EXTERN,
  64     CC_STUB,
  65 };
  66
  67 enum
  68 {
  69     ARG_LONG,
  70     ARG_PTR,
  71     ARG_STR,
  72     ARG_WSTR,
  73     ARG_DBL,
  74     ARG_INT64,
  75     ARG_INT128,
  76     ARG_FLOAT
  77 };
  78
  79 char* astrCallingConventions[] =
  80 {
  81     "STDCALL",
  82     "CDECL",
  83     "FASTCALL",
  84     "THISCALL",
  85     "EXTERN"
  86 };
  87
  88 static
  89 int
  90 IsSeparator(char chr)
  91 {
  92     return ((chr <= ',' && chr != '$') ||
  93             (chr >= ':' && chr < '?') );
  94 }
  95
  96 int
  97 CompareToken(const char *token, const char *comparand)
  98 {
  99     while (*comparand)
 100     {
 101         if (*token != *comparand) return 0;
 102         token++;
 103         comparand++;
 104     }
 105     if (!IsSeparator(*token)) return 0;
 106     return 1;
 107 }
 108
 109 const char *
 110 ScanToken(const char *token, char chr)
 111 {
 112     while (!IsSeparator(*token))
 113     {
 114         if (*token == chr) return token;
 115         token++;
 116     }
 117     return 0;
 118 }
 119
 120 char *
 121 NextLine(char *pc)
 122 {
 123     while (*pc != 0)
 124     {
 125         if (pc[0] == '\n' && pc[1] == '\r') return pc + 2;
 126         else if (pc[0] == '\n') return pc + 1;
 127         pc++;
 128     }
 129     return pc;
 130 }
 131
 132 int
 133 TokenLength(char *pc)
 134 {
 135     int length = 0;
 136
 137     while (!IsSeparator(*pc++)) length++;
 138
 139     return length;
 140 }
 141
 142 char *
 143 NextToken(char *pc)
 144 {
 145     /* Skip token */
 146     while (!IsSeparator(*pc)) pc++;
 147
 148     /* Skip white spaces */
 149     while (*pc == ' ' || *pc == '\t') pc++;
 150
 151     /* Check for end of line */
 152     if (*pc == '\n' || *pc == '\r' || *pc == 0) return 0;
 153
 154     /* Check for comment */
 155     if (*pc == '#' || *pc == ';') return 0;
 156
 157     return pc;
 158 }
 159
 160 void
 161 OutputHeader_stub(FILE *file)
 162 {
 163     fprintf(file, "/* This file is autogenerated, do not edit. */\n\n"
 164             "#include <stubs.h>\n\n");
 165 }
 166
 167 int
 168 OutputLine_stub(FILE *file, EXPORT *pexp)
 169 {
 170     int i;
 171
 172     if (pexp->nCallingConvention != CC_STUB &&
 173         (pexp->uFlags & FL_STUB) == 0) return 0;
 174
 175     fprintf(file, "int ");
 176     if ((giArch == ARCH_X86) &&
 177         pexp->nCallingConvention == CC_STDCALL)
 178     {
 179         fprintf(file, "__stdcall ");
 180     }
 181
 182     /* Check for C++ */
 183     if (pexp->strName.buf[0] == '?')
 184     {
 185         fprintf(file, "stub_function%d(", pexp->nNumber);
 186     }
 187     else
 188     {
 189         fprintf(file, "%.*s(", pexp->strName.len, pexp->strName.buf);
 190     }
 191
 192     for (i = 0; i < pexp->nArgCount; i++)
 193     {
 194         if (i != 0) fprintf(file, ", ");
 195         switch (pexp->anArgs[i])
 196         {
 197             case ARG_LONG: fprintf(file, "long"); break;
 198             case ARG_PTR:  fprintf(file, "void*"); break;
 199             case ARG_STR:  fprintf(file, "char*"); break;
 200             case ARG_WSTR: fprintf(file, "wchar_t*"); break;
 201             case ARG_DBL:
 202             case ARG_INT64 :  fprintf(file, "__int64"); break;
 203             case ARG_INT128 :  fprintf(file, "__int128"); break;
 204             case ARG_FLOAT: fprintf(file, "float"); break;
 205         }
 206         fprintf(file, " a%d", i);
 207     }
 208     fprintf(file, ")\n{\n\tDbgPrint(\"WARNING: calling stub %.*s(",
 209             pexp->strName.len, pexp->strName.buf);
 210
 211     for (i = 0; i < pexp->nArgCount; i++)
 212     {
 213         if (i != 0) fprintf(file, ",");
 214         switch (pexp->anArgs[i])
 215         {
 216             case ARG_LONG: fprintf(file, "0x%%lx"); break;
 217             case ARG_PTR:  fprintf(file, "0x%%p"); break;
 218             case ARG_STR:  fprintf(file, "'%%s'"); break;
 219             case ARG_WSTR: fprintf(file, "'%%ws'"); break;
 220             case ARG_DBL:  fprintf(file, "%%f"); break;
 221             case ARG_INT64: fprintf(file, "%%\"PRix64\""); break;
 222             case ARG_INT128: fprintf(file, "%%\"PRix128\""); break;
 223             case ARG_FLOAT: fprintf(file, "%%f"); break;
 224         }
 225     }
 226     fprintf(file, ")\\n\"");
 227
 228     for (i = 0; i < pexp->nArgCount; i++)
 229     {
 230         fprintf(file, ", ");
 231         switch (pexp->anArgs[i])
 232         {
 233             case ARG_LONG: fprintf(file, "(long)a%d", i); break;
 234             case ARG_PTR:  fprintf(file, "(void*)a%d", i); break;
 235             case ARG_STR:  fprintf(file, "(char*)a%d", i); break;
 236             case ARG_WSTR: fprintf(file, "(wchar_t*)a%d", i); break;
 237             case ARG_DBL:  fprintf(file, "(double)a%d", i); break;
 238             case ARG_INT64: fprintf(file, "(__int64)a%d", i); break;
 239             case ARG_INT128: fprintf(file, "(__int128)a%d", i); break;
 240             case ARG_FLOAT: fprintf(file, "(float)a%d", i); break;
 241         }
 242     }
 243     fprintf(file, ");\n");
 244
 245     if (pexp->nCallingConvention == CC_STUB)
 246     {
 247         fprintf(file, "\t__wine_spec_unimplemented_stub(\"%s\", __FUNCTION__);\n", pszDllName);
 248     }
 249
 250     fprintf(file, "\treturn 0;\n}\n\n");
 251
 252     return 1;
 253 }
 254
 255 void
 256 OutputHeader_asmstub(FILE *file, char *libname)
 257 {
 258     fprintf(file, "; File generated automatically, do not edit! \n\n");
 259
 260     if (giArch == ARCH_X86)
 261         fprintf(file, ".586\n.model flat\n");
 262
 263     fprintf(file, ".code\n");
 264 }
 265
 266 int
 267 OutputLine_asmstub(FILE *fileDest, EXPORT *pexp)
 268 {
 269     /* Handle autoname */
 270     if (pexp->strName.len == 1 && pexp->strName.buf[0] == '@')
 271     {
 272         fprintf(fileDest, "PUBLIC %sordinal%d\n%sordinal%d: nop\n",
 273                 gpszUnderscore, pexp->nOrdinal, gpszUnderscore, pexp->nOrdinal);
 274     }
 275     else if (giArch != ARCH_X86)
 276     {
 277         fprintf(fileDest, "PUBLIC _stub_%.*s\n_stub_%.*s: nop\n",
 278                 pexp->strName.len, pexp->strName.buf,
 279                 pexp->strName.len, pexp->strName.buf);
 280     }
 281     else if (pexp->nCallingConvention == CC_STDCALL)
 282     {
 283         fprintf(fileDest, "PUBLIC __stub_%.*s@%d\n__stub_%.*s@%d: nop\n",
 284                 pexp->strName.len, pexp->strName.buf, pexp->nStackBytes,
 285                 pexp->strName.len, pexp->strName.buf, pexp->nStackBytes);
 286     }
 287     else if (pexp->nCallingConvention == CC_FASTCALL)
 288     {
 289         fprintf(fileDest, "PUBLIC @_stub_%.*s@%d\n@_stub_%.*s@%d: nop\n",
 290                 pexp->strName.len, pexp->strName.buf, pexp->nStackBytes,
 291                 pexp->strName.len, pexp->strName.buf, pexp->nStackBytes);
 292     }
 293     else if (pexp->nCallingConvention == CC_CDECL ||
 294              pexp->nCallingConvention == CC_STUB)
 295     {
 296         fprintf(fileDest, "PUBLIC __stub_%.*s\n__stub_%.*s: nop\n",
 297                 pexp->strName.len, pexp->strName.buf,
 298                 pexp->strName.len, pexp->strName.buf);
 299     }
 300     else if (pexp->nCallingConvention == CC_EXTERN)
 301     {
 302         fprintf(fileDest, "PUBLIC __stub_%.*s\n__stub_%.*s:\n",
 303                 pexp->strName.len, pexp->strName.buf,
 304                 pexp->strName.len, pexp->strName.buf);
 305     }
 306
 307     return 1;
 308 }
 309
 310 void
 311 OutputHeader_def(FILE *file, char *libname)
 312 {
 313     fprintf(file,
 314             "; File generated automatically, do not edit!\n\n"
 315             "NAME %s\n\n"
 316             "EXPORTS\n",
 317             libname);
 318 }
 319
 320 void
 321 PrintName(FILE *fileDest, EXPORT *pexp, PSTRING pstr, int fDeco)
 322 {
 323     const char *pcName = pstr->buf;
 324     int nNameLength = pstr->len;
 325     const char* pcDot, *pcAt;
 326
 327     if ((giArch == ARCH_X86) && fDeco &&
 328         ((pexp->nCallingConvention == CC_STDCALL) ||
 329          (pexp->nCallingConvention == CC_FASTCALL)))
 330     {
 331         /* Scan for a dll forwarding dot */
 332         pcDot = ScanToken(pcName, '.');
 333         if (pcDot)
 334         {
 335             /* First print the dll name, followed by a dot */
 336             nNameLength = pcDot - pcName;
 337             fprintf(fileDest, "%.*s.", nNameLength, pcName);
 338
 339             /* Now the actual function name */
 340             pcName = pcDot + 1;
 341             nNameLength = pexp->strTarget.len - nNameLength - 1;
 342         }
 343
 344         /* Does the string already have decoration? */
 345         pcAt = ScanToken(pcName, '@');
 346         if (pcAt && (pcAt < (pcName + nNameLength)))
 347         {
 348             /* On GCC, we need to remove the leading stdcall underscore */
 349             if (!gbMSComp && (pexp->nCallingConvention == CC_STDCALL))
 350             {
 351                 pcName++;
 352                 nNameLength--;
 353             }
 354
 355             /* Print the already decorated function name */
 356             fprintf(fileDest, "%.*s", nNameLength, pcName);
 357         }
 358         else
 359         {
 360             /* Print the prefix, but skip it for (GCC && stdcall) */
 361             if (gbMSComp || (pexp->nCallingConvention != CC_STDCALL))
 362             {
 363                 fprintf(fileDest, "%c", pexp->nCallingConvention == CC_FASTCALL ? '@' : '_');
 364             }
 365
 366             /* Print the name with trailing decoration */
 367             fprintf(fileDest, "%.*s@%d", nNameLength, pcName, pexp->nStackBytes);
 368         }
 369     }
 370     else
 371     {
 372         /* Print the undecorated function name */
 373         fprintf(fileDest, "%.*s", nNameLength, pcName);
 374     }
 375 }
 376
 377 void
 378 OutputLine_def_MS(FILE *fileDest, EXPORT *pexp)
 379 {
 380     PrintName(fileDest, pexp, &pexp->strName, 0);
 381
 382     if (gbImportLib)
 383     {
 384         /* Redirect to a stub function, to get the right decoration in the lib */
 385         fprintf(fileDest, "=_stub_%.*s", pexp->strName.len, pexp->strName.buf);
 386     }
 387     else if (pexp->strTarget.buf)
 388     {
 389         if (pexp->strName.buf[0] == '?')
 390         {
 391             fprintf(stderr, "warning: ignoring C++ redirection %.*s -> %.*s\n",
 392                     pexp->strName.len, pexp->strName.buf, pexp->strTarget.len, pexp->strTarget.buf);
 393         }
 394         else
 395         {
 396             fprintf(fileDest, "=");
 397
 398             /* If the original name was decorated, use decoration in the forwarder as well */
 399             if ((giArch == ARCH_X86) && ScanToken(pexp->strName.buf, '@') &&
 400                 !ScanToken(pexp->strTarget.buf, '@') &&
 401                 ((pexp->nCallingConvention == CC_STDCALL) ||
 402                 (pexp->nCallingConvention == CC_FASTCALL)) )
 403             {
 404                 PrintName(fileDest, pexp, &pexp->strTarget, 1);
 405             }
 406             else
 407             {
 408                 /* Write the undecorated redirection name */
 409                 fprintf(fileDest, "%.*s", pexp->strTarget.len, pexp->strTarget.buf);
 410             }
 411         }
 412     }
 413     else if (((pexp->uFlags & FL_STUB) || (pexp->nCallingConvention == CC_STUB)) &&
 414              (pexp->strName.buf[0] == '?'))
 415     {
 416         /* C++ stubs are forwarded to C stubs */
 417         fprintf(fileDest, "=stub_function%d", pexp->nNumber);
 418     }
 419 }
 420
 421 void
 422 OutputLine_def_GCC(FILE *fileDest, EXPORT *pexp)
 423 {
 424     /* Print the function name, with decoration for export libs */
 425     PrintName(fileDest, pexp, &pexp->strName, gbImportLib);
 426     DbgPrint("Generating def line for '%.*s'\n", pexp->strName.len, pexp->strName.buf);
 427
 428     /* Check if this is a forwarded export */
 429     if (pexp->strTarget.buf)
 430     {
 431         int fIsExternal = !!ScanToken(pexp->strTarget.buf, '.');
 432         DbgPrint("Got redirect '%.*s'\n", pexp->strTarget.len, pexp->strTarget.buf);
 433
 434         /* print the target name, don't decorate if it is external */
 435         fprintf(fileDest, "=");
 436         PrintName(fileDest, pexp, &pexp->strTarget, !fIsExternal);
 437     }
 438     else if (((pexp->uFlags & FL_STUB) || (pexp->nCallingConvention == CC_STUB)) &&
 439              (pexp->strName.buf[0] == '?'))
 440     {
 441         /* C++ stubs are forwarded to C stubs */
 442         fprintf(fileDest, "=stub_function%d", pexp->nNumber);
 443     }
 444
 445     /* Special handling for stdcall and fastcall */
 446     if ((giArch == ARCH_X86) &&
 447         ((pexp->nCallingConvention == CC_STDCALL) ||
 448          (pexp->nCallingConvention == CC_FASTCALL)))
 449     {
 450         /* Is this the import lib? */
 451         if (gbImportLib)
 452         {
 453             /* Is the name in the spec file decorated? */
 454             const char* pcDeco = ScanToken(pexp->strName.buf, '@');
 455             if (pcDeco && (pcDeco < pexp->strName.buf + pexp->strName.len))
 456             {
 457                 /* Write the name including the leading @  */
 458                 fprintf(fileDest, "==%.*s", pexp->strName.len, pexp->strName.buf);
 459             }
 460         }
 461         else if (!pexp->strTarget.buf)
 462         {
 463             /* Write a forwarder to the actual decorated symbol */
 464             fprintf(fileDest, "=");
 465             PrintName(fileDest, pexp, &pexp->strName, 1);
 466         }
 467     }
 468 }
 469
 470 int
 471 OutputLine_def(FILE *fileDest, EXPORT *pexp)
 472 {
 473     fprintf(fileDest, " ");
 474
 475     if (gbMSComp)
 476         OutputLine_def_MS(fileDest, pexp);
 477     else
 478         OutputLine_def_GCC(fileDest, pexp);
 479
 480     if (pexp->uFlags & FL_ORDINAL)
 481     {
 482         fprintf(fileDest, " @%d", pexp->nOrdinal);
 483     }
 484
 485     if (pexp->uFlags & FL_NONAME)
 486     {
 487         fprintf(fileDest, " NONAME");
 488     }
 489
 490     if (pexp->uFlags & FL_PRIVATE)
 491     {
 492         fprintf(fileDest, " PRIVATE");
 493     }
 494
 495     if (pexp->nCallingConvention == CC_EXTERN)
 496     {
 497         fprintf(fileDest, " DATA");
 498     }
 499
 500     fprintf(fileDest, "\n");
 501
 502     return 1;
 503 }
 504
 505 int
 506 ParseFile(char* pcStart, FILE *fileDest, PFNOUTLINE OutputLine)
 507 {
 508     char *pc, *pcLine;
 509     int nLine;
 510     EXPORT exp;
 511     int included;
 512     char namebuffer[16];
 513
 514     //fprintf(stderr, "info: line %d, pcStart:'%.30s'\n", nLine, pcStart);
 515
 516     /* Loop all lines */
 517     nLine = 1;
 518     exp.nNumber = 0;
 519     for (pcLine = pcStart; *pcLine; pcLine = NextLine(pcLine), nLine++)
 520     {
 521         pc = pcLine;
 522
 523         exp.nArgCount = 0;
 524         exp.uFlags = 0;
 525         exp.nNumber++;
 526
 527
 528         //if (!strncmp(pcLine, "22 stdcall @(long) MPR_Alloc",28))
 529         //    gbDebug = 1;
 530
 531         //fprintf(stderr, "info: line %d, token:'%d, %.20s'\n",
 532         //        nLine, TokenLength(pcLine), pcLine);
 533
 534         /* Skip white spaces */
 535         while (*pc == ' ' || *pc == '\t') pc++;
 536
 537         /* Skip empty lines, stop at EOF */
 538         if (*pc == ';' || *pc <= '#') continue;
 539         if (*pc == 0) return 0;
 540
 541         //fprintf(stderr, "info: line %d, token:'%.*s'\n",
 542         //        nLine, TokenLength(pc), pc);
 543
 544         /* Now we should get either an ordinal or @ */
 545         if (*pc == '@')
 546             exp.nOrdinal = -1;
 547         else
 548         {
 549             exp.nOrdinal = atol(pc);
 550             exp.uFlags |= FL_ORDINAL;
 551         }
 552
 553         /* Go to next token (type) */
 554         if (!(pc = NextToken(pc)))
 555         {
 556             fprintf(stderr, "error: line %d, unexpected end of line\n", nLine);
 557             return -10;
 558         }
 559
 560         //fprintf(stderr, "info: Token:'%.*s'\n", TokenLength(pc), pc);
 561
 562         /* Now we should get the type */
 563         if (CompareToken(pc, "stdcall"))
 564         {
 565             exp.nCallingConvention = CC_STDCALL;
 566         }
 567         else if (CompareToken(pc, "cdecl") ||
 568                  CompareToken(pc, "varargs"))
 569         {
 570             exp.nCallingConvention = CC_CDECL;
 571         }
 572         else if (CompareToken(pc, "fastcall"))
 573         {
 574             exp.nCallingConvention = CC_FASTCALL;
 575         }
 576         else if (CompareToken(pc, "thiscall"))
 577         {
 578             exp.nCallingConvention = CC_THISCALL;
 579         }
 580         else if (CompareToken(pc, "extern"))
 581         {
 582             exp.nCallingConvention = CC_EXTERN;
 583         }
 584         else if (CompareToken(pc, "stub"))
 585         {
 586             exp.nCallingConvention = CC_STUB;
 587         }
 588         else
 589         {
 590             fprintf(stderr, "error: line %d, expected callconv, got '%.*s' %d\n",
 591                     nLine, TokenLength(pc), pc, *pc);
 592             return -11;
 593         }
 594
 595         //fprintf(stderr, "info: nCallingConvention: %d\n", exp.nCallingConvention);
 596
 597         /* Go to next token (options or name) */
 598         if (!(pc = NextToken(pc)))
 599         {
 600             fprintf(stderr, "fail2\n");
 601             return -12;
 602         }
 603
 604         /* Handle options */
 605         included = 1;
 606         while (*pc == '-')
 607         {
 608             if (CompareToken(pc, "-arch"))
 609             {
 610                 /* Default to not included */
 611                 included = 0;
 612                 pc += 5;
 613
 614                 /* Look if we are included */
 615                 while (*pc == '=' || *pc == ',')
 616                 {
 617                     pc++;
 618                     if (CompareToken(pc, pszArchString) ||
 619                         CompareToken(pc, pszArchString2))
 620                     {
 621                         included = 1;
 622                     }
 623
 624                     /* Skip to next arch or end */
 625                     while (*pc > ',') pc++;
 626                 }
 627             }
 628             else if (CompareToken(pc, "-i386"))
 629             {
 630                 if (giArch != ARCH_X86) included = 0;
 631             }
 632             else if (CompareToken(pc, "-private"))
 633             {
 634                 exp.uFlags |= FL_PRIVATE;
 635             }
 636             else if (CompareToken(pc, "-noname"))
 637             {
 638                 exp.uFlags |= FL_ORDINAL | FL_NONAME;
 639             }
 640             else if (CompareToken(pc, "-ordinal"))
 641             {
 642                 exp.uFlags |= FL_ORDINAL;
 643             }
 644             else if (CompareToken(pc, "-stub"))
 645             {
 646                 exp.uFlags |= FL_STUB;
 647             }
 648             else if (CompareToken(pc, "-norelay") ||
 649                      CompareToken(pc, "-register") ||
 650                      CompareToken(pc, "-ret64"))
 651             {
 652                 /* silently ignore these */
 653             }
 654             else
 655             {
 656                 fprintf(stderr, "info: ignored option: '%.*s'\n",
 657                         TokenLength(pc), pc);
 658             }
 659
 660             /* Go to next token */
 661             pc = NextToken(pc);
 662         }
 663
 664         //fprintf(stderr, "info: Name:'%.10s'\n", pc);
 665
 666         /* If arch didn't match ours, skip this entry */
 667         if (!included) continue;
 668
 669         /* Get name */
 670         exp.strName.buf = pc;
 671         exp.strName.len = TokenLength(pc);
 672
 673         /* Check for autoname */
 674         if ((exp.strName.len == 1) && (exp.strName.buf[0] == '@'))
 675         {
 676             sprintf(namebuffer, "ordinal%d", exp.nOrdinal);
 677             exp.strName.len = strlen(namebuffer);
 678             exp.strName.buf = namebuffer;
 679             exp.uFlags |= FL_ORDINAL | FL_NONAME;
 680         }
 681
 682         /* Handle parameters */
 683         exp.nStackBytes = 0;
 684         if (exp.nCallingConvention != CC_EXTERN &&
 685             exp.nCallingConvention != CC_STUB)
 686         {
 687             //fprintf(stderr, "info: options:'%.10s'\n", pc);
 688             /* Go to next token */
 689             if (!(pc = NextToken(pc)))
 690             {
 691                 fprintf(stderr, "fail4\n");
 692                 return -13;
 693             }
 694
 695             /* Verify syntax */
 696             if (*pc++ != '(')
 697             {
 698                 fprintf(stderr, "error: line %d, expected '('\n", nLine);
 699                 return -14;
 700             }
 701
 702             /* Skip whitespaces */
 703             while (*pc == ' ' || *pc == '\t') pc++;
 704
 705             exp.nStackBytes = 0;
 706             while (*pc >= '0')
 707             {
 708                 if (CompareToken(pc, "long"))
 709                 {
 710                     exp.nStackBytes += 4;
 711                     exp.anArgs[exp.nArgCount] = ARG_LONG;
 712                 }
 713                 else if (CompareToken(pc, "double"))
 714                 {
 715                     exp.nStackBytes += 8;
 716                     exp.anArgs[exp.nArgCount] = ARG_DBL;
 717                 }
 718                 else if (CompareToken(pc, "ptr") ||
 719                          CompareToken(pc, "str") ||
 720                          CompareToken(pc, "wstr"))
 721                 {
 722                     exp.nStackBytes += 4; // sizeof(void*) on x86
 723                     exp.anArgs[exp.nArgCount] = ARG_PTR; // FIXME: handle strings
 724                 }
 725                 else if (CompareToken(pc, "int64"))
 726                 {
 727                     exp.nStackBytes += 8;
 728                     exp.anArgs[exp.nArgCount] = ARG_INT64;
 729                 }
 730                 else if (CompareToken(pc, "int128"))
 731                 {
 732                     exp.nStackBytes += 16;
 733                     exp.anArgs[exp.nArgCount] = ARG_INT128;
 734                 }
 735                 else if (CompareToken(pc, "float"))
 736                 {
 737                     exp.nStackBytes += 4;
 738                     exp.anArgs[exp.nArgCount] = ARG_FLOAT;
 739                 }
 740                 else
 741                     fprintf(stderr, "error: line %d, expected type, got: %.10s\n", nLine, pc);
 742
 743                 exp.nArgCount++;
 744
 745                 /* Go to next parameter */
 746                 if (!(pc = NextToken(pc)))
 747                 {
 748                     fprintf(stderr, "fail5\n");
 749                     return -15;
 750                 }
 751             }
 752
 753             /* Check syntax */
 754             if (*pc++ != ')')
 755             {
 756                 fprintf(stderr, "error: line %d, expected ')'\n", nLine);
 757                 return -16;
 758             }
 759         }
 760
 761         /* Handle special stub cases */
 762         if (exp.nCallingConvention == CC_STUB)
 763         {
 764             /* Check for c++ mangled name */
 765             if (pc[0] == '?')
 766             {
 767                 //printf("Found c++ mangled name...\n");
 768                 //
 769             }
 770             else
 771             {
 772                 /* Check for stdcall name */
 773                 const char *p = ScanToken(pc, '@');
 774                 if (p && (p - pc < exp.strName.len))
 775                 {
 776                     int i;
 777
 778                     /* Truncate the name to before the @ */
 779                     exp.strName.len = (int)(p - pc);
 780                     if (exp.strName.len < 1)
 781                     {
 782                         fprintf(stderr, "error, @ in line %d\n", nLine);
 783                         return -1;
 784                     }
 785                     exp.nStackBytes = atoi(p + 1);
 786                     exp.nArgCount =  exp.nStackBytes / 4;
 787                     exp.nCallingConvention = CC_STDCALL;
 788                     exp.uFlags |= FL_STUB;
 789                     for (i = 0; i < exp.nArgCount; i++)
 790                         exp.anArgs[i] = ARG_LONG;
 791                 }
 792             }
 793         }
 794
 795         /* Get optional redirection */
 796         pc = NextToken(pc);
 797         if (pc)
 798         {
 799             exp.strTarget.buf = pc;
 800             exp.strTarget.len = TokenLength(pc);
 801
 802             /* Check syntax (end of line) */
 803             if (NextToken(pc))
 804             {
 805                  fprintf(stderr, "error: line %d, additional tokens after ')'\n", nLine);
 806                  return -17;
 807             }
 808         }
 809         else
 810         {
 811             exp.strTarget.buf = 0;
 812             exp.strTarget.len = 0;
 813         }
 814
 815         /* Check for no-name without ordinal */
 816         if ((exp.uFlags & FL_ORDINAL) && (exp.nOrdinal == -1))
 817         {
 818             fprintf(stderr, "error: line %d, ordinal export without ordinal!\n", nLine);
 819             return -1;
 820         }
 821
 822         OutputLine(fileDest, &exp);
 823         gbDebug = 0;
 824     }
 825
 826     return 0;
 827 }
 828
 829
 830 void usage(void)
 831 {
 832     printf("syntax: spec2pdef [<options> ...] <spec file>\n"
 833            "Possible options:\n"
 834            "  -h --help   prints this screen\n"
 835            "  -l=<file>   generates an asm lib stub\n"
 836            "  -d=<file>   generates a def file\n"
 837            "  -s=<file>   generates a stub file\n"
 838            "  --ms        msvc compatibility\n"
 839            "  -n=<name>   name of the dll\n"
 840            "  --implib    generate a def file for an import library\n"
 841            "  -a=<arch>   Set architecture to <arch>. (i386, x86_64, arm)\n");
 842 }
 843
 844 int main(int argc, char *argv[])
 845 {
 846     size_t nFileSize;
 847     char *pszSource, *pszDefFileName = 0, *pszStubFileName = 0, *pszLibStubName = 0;
 848     char achDllName[40];
 849     FILE *file;
 850     int result = 0, i;
 851
 852     if (argc < 2)
 853     {
 854         usage();
 855         return -1;
 856     }
 857
 858     /* Read options */
 859     for (i = 1; i < argc && *argv[i] == '-'; i++)
 860     {
 861         if ((strcasecmp(argv[i], "--help") == 0) ||
 862             (strcasecmp(argv[i], "-h") == 0))
 863         {
 864             usage();
 865             return 0;
 866         }
 867         else if (argv[i][1] == 'd' && argv[i][2] == '=')
 868         {
 869             pszDefFileName = argv[i] + 3;
 870         }
 871         else if (argv[i][1] == 'l' && argv[i][2] == '=')
 872         {
 873             pszLibStubName = argv[i] + 3;
 874         }
 875         else if (argv[i][1] == 's' && argv[i][2] == '=')
 876         {
 877             pszStubFileName = argv[i] + 3;
 878         }
 879         else if (argv[i][1] == 'n' && argv[i][2] == '=')
 880         {
 881             pszDllName = argv[i] + 3;
 882         }
 883         else if ((strcasecmp(argv[i], "--implib") == 0))
 884         {
 885             gbImportLib = 1;
 886         }
 887         else if ((strcasecmp(argv[i], "--ms") == 0))
 888         {
 889             gbMSComp = 1;
 890         }
 891         else if (argv[i][1] == 'a' && argv[i][2] == '=')
 892         {
 893             pszArchString = argv[i] + 3;
 894         }
 895         else
 896         {
 897             fprintf(stderr, "Unrecognized option: %s\n", argv[i]);
 898             return -1;
 899         }
 900     }
 901
 902     if (strcasecmp(pszArchString, "i386") == 0)
 903     {
 904         giArch = ARCH_X86;
 905         gpszUnderscore = "_";
 906     }
 907     else if (strcasecmp(pszArchString, "x86_64") == 0) giArch = ARCH_AMD64;
 908     else if (strcasecmp(pszArchString, "ia64") == 0) giArch = ARCH_IA64;
 909     else if (strcasecmp(pszArchString, "arm") == 0) giArch = ARCH_ARM;
 910     else if (strcasecmp(pszArchString, "ppc") == 0) giArch = ARCH_PPC;
 911
 912     if ((giArch == ARCH_AMD64) || (giArch == ARCH_IA64))
 913     {
 914         pszArchString2 = "win64";
 915     }
 916     else
 917         pszArchString2 = "win32";
 918
 919     /* Set a default dll name */
 920     if (!pszDllName)
 921     {
 922         char *p1, *p2;
 923         size_t len;
 924
 925         p1 = strrchr(argv[i], '\\');
 926         if (!p1) p1 = strrchr(argv[i], '/');
 927         p2 = p1 = p1 ? p1 + 1 : argv[i];
 928
 929         /* walk up to '.' */
 930         while (*p2 != '.' && *p2 != 0) p2++;
 931         len = p2 - p1;
 932         if (len >= sizeof(achDllName) - 5)
 933         {
 934             fprintf(stderr, "name too long: %s\n", p1);
 935             return -2;
 936         }
 937
 938         strncpy(achDllName, p1, len);
 939         strncpy(achDllName + len, ".dll", sizeof(achDllName) - len);
 940         pszDllName = achDllName;
 941     }
 942
 943     /* Open input file argv[1] */
 944     file = fopen(argv[i], "r");
 945     if (!file)
 946     {
 947         fprintf(stderr, "error: could not open file %s ", argv[i]);
 948         return -3;
 949     }
 950
 951     /* Get file size */
 952     fseek(file, 0, SEEK_END);
 953     nFileSize = ftell(file);
 954     rewind(file);
 955
 956     /* Allocate memory buffer */
 957     pszSource = malloc(nFileSize + 1);
 958     if (!pszSource)
 959     {
 960         fclose(file);
 961         return -4;
 962     }
 963
 964     /* Load input file into memory */
 965     nFileSize = fread(pszSource, 1, nFileSize, file);
 966     fclose(file);
 967
 968     /* Zero terminate the source */
 969     pszSource[nFileSize] = '\0';
 970
 971     if (pszDefFileName)
 972     {
 973         /* Open output file */
 974         file = fopen(pszDefFileName, "w");
 975         if (!file)
 976         {
 977             fprintf(stderr, "error: could not open output file %s ", argv[i + 1]);
 978             return -5;
 979         }
 980
 981         OutputHeader_def(file, pszDllName);
 982         result = ParseFile(pszSource, file, OutputLine_def);
 983         fclose(file);
 984     }
 985
 986     if (pszStubFileName)
 987     {
 988         /* Open output file */
 989         file = fopen(pszStubFileName, "w");
 990         if (!file)
 991         {
 992             fprintf(stderr, "error: could not open output file %s ", argv[i + 1]);
 993             return -5;
 994         }
 995
 996         OutputHeader_stub(file);
 997         result = ParseFile(pszSource, file, OutputLine_stub);
 998         fclose(file);
 999     }
1000
1001     if (pszLibStubName)
1002     {
1003         /* Open output file */
1004         file = fopen(pszLibStubName, "w");
1005         if (!file)
1006         {
1007             fprintf(stderr, "error: could not open output file %s ", argv[i + 1]);
1008             return -5;
1009         }
1010
1011         OutputHeader_asmstub(file, pszDllName);
1012         result = ParseFile(pszSource, file, OutputLine_asmstub);
1013         fprintf(file, "\nEND\n");
1014         fclose(file);
1015     }
1016
1017
1018     return result;
1019 }