tools/makedep.c

   1 /*
   2  * Generate include file dependencies
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #define NO_LIBWINE_PORT
  23 #include "wine/port.h"
  24
  25 #include <assert.h>
  26 #include <ctype.h>
  27 #include <errno.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <stdarg.h>
  31 #include <string.h>
  32 #ifdef HAVE_UNISTD_H
  33 # include <unistd.h>
  34 #endif
  35 #include "wine/list.h"
  36
  37 /* Max first-level includes per file */
  38 #define MAX_INCLUDES 200
  39
  40 typedef struct _INCL_FILE
  41 {
  42     struct list        entry;
  43     char              *name;
  44     char              *filename;
  45     char              *sourcename;    /* source file name for generated headers */
  46     struct _INCL_FILE *included_by;   /* file that included this one */
  47     int                included_line; /* line where this file was included */
  48     int                system;        /* is it a system include (#include <name>) */
  49     struct _INCL_FILE *owner;
  50     struct _INCL_FILE *files[MAX_INCLUDES];
  51 } INCL_FILE;
  52
  53 static struct list sources = LIST_INIT(sources);
  54 static struct list includes = LIST_INIT(includes);
  55
  56 typedef struct _OBJECT_EXTENSION
  57 {
  58     struct list entry;
  59     const char *extension;
  60 } OBJECT_EXTENSION;
  61
  62 static struct list object_extensions = LIST_INIT(object_extensions);
  63
  64 typedef struct _INCL_PATH
  65 {
  66     struct list entry;
  67     const char *name;
  68 } INCL_PATH;
  69
  70 static struct list paths = LIST_INIT(paths);
  71
  72 static const char *src_dir;
  73 static const char *top_src_dir;
  74 static const char *top_obj_dir;
  75 static const char *OutputFileName = "Makefile";
  76 static const char *Separator = "### Dependencies";
  77 static const char *ProgramName;
  78 static int input_line;
  79
  80 static const char Usage[] =
  81     "Usage: %s [options] [files]\n"
  82     "Options:\n"
  83     "   -Idir   Search for include files in directory 'dir'\n"
  84     "   -Cdir   Search for source files in directory 'dir'\n"
  85     "   -Sdir   Set the top source directory\n"
  86     "   -Tdir   Set the top object directory\n"
  87     "   -fxxx   Store output in file 'xxx' (default: Makefile)\n"
  88     "   -sxxx   Use 'xxx' as separator (default: \"### Dependencies\")\n";
  89
  90
  91 /*******************************************************************
  92  *         fatal_error
  93  */
  94 static void fatal_error( const char *msg, ... )
  95 {
  96     va_list valist;
  97     va_start( valist, msg );
  98     vfprintf( stderr, msg, valist );
  99     va_end( valist );
 100     exit(1);
 101 }
 102
 103
 104 /*******************************************************************
 105  *         xmalloc
 106  */
 107 static void *xmalloc( size_t size )
 108 {
 109     void *res;
 110     if (!(res = malloc (size ? size : 1)))
 111         fatal_error( "%s: error: Virtual memory exhausted.\n", ProgramName );
 112     return res;
 113 }
 114
 115
 116 /*******************************************************************
 117  *         xrealloc
 118  */
 119 static void *xrealloc (void *ptr, size_t size)
 120 {
 121     void *res;
 122     assert( size );
 123     if (!(res = realloc( ptr, size )))
 124         fatal_error( "%s: error: Virtual memory exhausted.\n", ProgramName );
 125     return res;
 126 }
 127
 128 /*******************************************************************
 129  *         xstrdup
 130  */
 131 static char *xstrdup( const char *str )
 132 {
 133     char *res = strdup( str );
 134     if (!res) fatal_error( "%s: error: Virtual memory exhausted.\n", ProgramName );
 135     return res;
 136 }
 137
 138
 139 /*******************************************************************
 140  *         strmake
 141  */
 142 static char *strmake( const char* fmt, ... )
 143 {
 144     int n;
 145     size_t size = 100;
 146     va_list ap;
 147
 148     for (;;)
 149     {
 150         char *p = xmalloc (size);
 151         va_start(ap, fmt);
 152         n = vsnprintf (p, size, fmt, ap);
 153         va_end(ap);
 154         if (n == -1) size *= 2;
 155         else if ((size_t)n >= size) size = n + 1;
 156         else return p;
 157         free(p);
 158     }
 159 }
 160
 161
 162 /*******************************************************************
 163  *         strendswith
 164  */
 165 static int strendswith( const char* str, const char* end )
 166 {
 167     int l = strlen(str);
 168     int m = strlen(end);
 169
 170     return l >= m && strcmp(str + l - m, end) == 0;
 171 }
 172
 173 /*******************************************************************
 174  *         get_extension
 175  */
 176 static char *get_extension( char *filename )
 177 {
 178     char *ext = strrchr( filename, '.' );
 179     if (ext && strchr( ext, '/' )) ext = NULL;
 180     return ext;
 181 }
 182
 183
 184 /*******************************************************************
 185  *         get_line
 186  */
 187 static char *get_line( FILE *file )
 188 {
 189     static char *buffer;
 190     static unsigned int size;
 191
 192     if (!size)
 193     {
 194         size = 1024;
 195         buffer = xmalloc( size );
 196     }
 197     if (!fgets( buffer, size, file )) return NULL;
 198     input_line++;
 199
 200     for (;;)
 201     {
 202         char *p = buffer + strlen(buffer);
 203         /* if line is larger than buffer, resize buffer */
 204         while (p == buffer + size - 1 && p[-1] != '\n')
 205         {
 206             buffer = xrealloc( buffer, size * 2 );
 207             if (!fgets( buffer + size - 1, size + 1, file )) break;
 208             p = buffer + strlen(buffer);
 209             size *= 2;
 210         }
 211         if (p > buffer && p[-1] == '\n')
 212         {
 213             *(--p) = 0;
 214             if (p > buffer && p[-1] == '\r') *(--p) = 0;
 215             if (p > buffer && p[-1] == '\\')
 216             {
 217                 *(--p) = 0;
 218                 /* line ends in backslash, read continuation line */
 219                 if (!fgets( p, size - (p - buffer), file )) return buffer;
 220                 input_line++;
 221                 continue;
 222             }
 223         }
 224         return buffer;
 225     }
 226 }
 227
 228 /*******************************************************************
 229  *         add_object_extension
 230  *
 231  * Add an extension for object files.
 232  */
 233 static void add_object_extension( const char *ext )
 234 {
 235     OBJECT_EXTENSION *object_extension = xmalloc( sizeof(*object_extension) );
 236     list_add_tail( &object_extensions, &object_extension->entry );
 237     object_extension->extension = ext;
 238 }
 239
 240 /*******************************************************************
 241  *         add_include_path
 242  *
 243  * Add a directory to the include path.
 244  */
 245 static void add_include_path( const char *name )
 246 {
 247     INCL_PATH *path = xmalloc( sizeof(*path) );
 248     list_add_tail( &paths, &path->entry );
 249     path->name = name;
 250 }
 251
 252 /*******************************************************************
 253  *         find_src_file
 254  */
 255 static INCL_FILE *find_src_file( const char *name )
 256 {
 257     INCL_FILE *file;
 258
 259     LIST_FOR_EACH_ENTRY( file, &sources, INCL_FILE, entry )
 260         if (!strcmp( name, file->name )) return file;
 261     return NULL;
 262 }
 263
 264 /*******************************************************************
 265  *         find_include_file
 266  */
 267 static INCL_FILE *find_include_file( const char *name )
 268 {
 269     INCL_FILE *file;
 270
 271     LIST_FOR_EACH_ENTRY( file, &includes, INCL_FILE, entry )
 272         if (!strcmp( name, file->name )) return file;
 273     return NULL;
 274 }
 275
 276 /*******************************************************************
 277  *         add_include
 278  *
 279  * Add an include file if it doesn't already exists.
 280  */
 281 static INCL_FILE *add_include( INCL_FILE *pFile, const char *name, int line, int system )
 282 {
 283     INCL_FILE *include;
 284     char *ext;
 285     int pos;
 286
 287     for (pos = 0; pos < MAX_INCLUDES; pos++) if (!pFile->files[pos]) break;
 288     if (pos >= MAX_INCLUDES)
 289         fatal_error( "%s: %s: error: too many included files, please fix MAX_INCLUDES\n",
 290                      ProgramName, pFile->name );
 291
 292     /* enforce some rules for the Wine tree */
 293
 294     if (!memcmp( name, "../", 3 ))
 295         fatal_error( "%s:%d: error: #include directive with relative path not allowed\n",
 296                      pFile->filename, line );
 297
 298     if (!strcmp( name, "config.h" ))
 299     {
 300         if ((ext = strrchr( pFile->filename, '.' )) && !strcmp( ext, ".h" ))
 301             fatal_error( "%s:%d: error: config.h must not be included by a header file\n",
 302                          pFile->filename, line );
 303         if (pos)
 304             fatal_error( "%s:%d: error: config.h must be included before anything else\n",
 305                          pFile->filename, line );
 306     }
 307     else if (!strcmp( name, "wine/port.h" ))
 308     {
 309         if ((ext = strrchr( pFile->filename, '.' )) && !strcmp( ext, ".h" ))
 310             fatal_error( "%s:%d: error: wine/port.h must not be included by a header file\n",
 311                          pFile->filename, line );
 312         if (!pos) fatal_error( "%s:%d: error: config.h must be included before wine/port.h\n",
 313                                pFile->filename, line );
 314         if (pos > 1)
 315             fatal_error( "%s:%d: error: wine/port.h must be included before everything except config.h\n",
 316                          pFile->filename, line );
 317         if (strcmp( pFile->files[0]->name, "config.h" ))
 318             fatal_error( "%s:%d: error: config.h must be included before wine/port.h\n",
 319                          pFile->filename, line );
 320     }
 321
 322     LIST_FOR_EACH_ENTRY( include, &includes, INCL_FILE, entry )
 323         if (!strcmp( name, include->name )) goto found;
 324
 325     include = xmalloc( sizeof(INCL_FILE) );
 326     memset( include, 0, sizeof(INCL_FILE) );
 327     include->name = xstrdup(name);
 328     include->included_by = pFile;
 329     include->included_line = line;
 330     include->system = system;
 331     list_add_tail( &includes, &include->entry );
 332 found:
 333     pFile->files[pos] = include;
 334     return include;
 335 }
 336
 337
 338 /*******************************************************************
 339  *         open_src_file
 340  */
 341 static FILE *open_src_file( INCL_FILE *pFile )
 342 {
 343     FILE *file;
 344
 345     /* first try name as is */
 346     if ((file = fopen( pFile->name, "r" )))
 347     {
 348         pFile->filename = xstrdup( pFile->name );
 349         return file;
 350     }
 351     /* now try in source dir */
 352     if (src_dir)
 353     {
 354         pFile->filename = strmake( "%s/%s", src_dir, pFile->name );
 355         file = fopen( pFile->filename, "r" );
 356     }
 357     if (!file)
 358     {
 359         fprintf( stderr, "%s: error: ", ProgramName );
 360         perror( pFile->name );
 361         exit(1);
 362     }
 363     return file;
 364 }
 365
 366
 367 /*******************************************************************
 368  *         open_include_file
 369  */
 370 static FILE *open_include_file( INCL_FILE *pFile )
 371 {
 372     FILE *file = NULL;
 373     char *filename, *p;
 374     INCL_PATH *path;
 375
 376     errno = ENOENT;
 377
 378     /* check for generated bison header */
 379
 380     if (strendswith( pFile->name, ".tab.h" ))
 381     {
 382         if (src_dir)
 383             filename = strmake( "%s/%.*s.y", src_dir, strlen(pFile->name) - 6, pFile->name );
 384         else
 385             filename = strmake( "%.*s.y", strlen(pFile->name) - 6, pFile->name );
 386
 387         if ((file = fopen( filename, "r" )))
 388         {
 389             pFile->sourcename = filename;
 390             pFile->filename = xstrdup( pFile->name );
 391             /* don't bother to parse it */
 392             fclose( file );
 393             return NULL;
 394         }
 395         free( filename );
 396     }
 397
 398     /* check for generated message resource */
 399
 400     if (strendswith( pFile->name, ".mc.rc" ))
 401     {
 402         if (src_dir)
 403             filename = strmake( "%s/%s", src_dir, pFile->name );
 404         else
 405             filename = xstrdup( pFile->name );
 406
 407         filename[strlen(filename) - 3] = 0;
 408
 409         if ((file = fopen( filename, "r" )))
 410         {
 411             pFile->sourcename = filename;
 412             pFile->filename = xstrdup( pFile->name );
 413             /* don't bother to parse it */
 414             fclose( file );
 415             return NULL;
 416         }
 417         free( filename );
 418     }
 419
 420     /* check for corresponding idl file in source dir */
 421
 422     if (strendswith( pFile->name, ".h" ))
 423     {
 424         if (src_dir)
 425             filename = strmake( "%s/%.*s.idl", src_dir, strlen(pFile->name) - 2, pFile->name );
 426         else
 427             filename = strmake( "%.*s.idl", strlen(pFile->name) - 2, pFile->name );
 428
 429         if ((file = fopen( filename, "r" )))
 430         {
 431             pFile->sourcename = filename;
 432             pFile->filename = xstrdup( pFile->name );
 433             return file;
 434         }
 435         free( filename );
 436     }
 437
 438     /* first try name as is */
 439     if ((file = fopen( pFile->name, "r" )))
 440     {
 441         pFile->filename = xstrdup( pFile->name );
 442         return file;
 443     }
 444
 445     /* now try in source dir */
 446     if (src_dir)
 447     {
 448         filename = strmake( "%s/%s", src_dir, pFile->name );
 449         if ((file = fopen( filename, "r" ))) goto found;
 450         free( filename );
 451     }
 452
 453     /* check for corresponding idl file in global includes */
 454
 455     if (strendswith( pFile->name, ".h" ))
 456     {
 457         if (top_src_dir)
 458             filename = strmake( "%s/include/%.*s.idl",
 459                                 top_src_dir, strlen(pFile->name) - 2, pFile->name );
 460         else if (top_obj_dir)
 461             filename = strmake( "%s/include/%.*s.idl",
 462                                 top_obj_dir, strlen(pFile->name) - 2, pFile->name );
 463         else
 464             filename = NULL;
 465
 466         if (filename && (file = fopen( filename, "r" )))
 467         {
 468             pFile->sourcename = filename;
 469             pFile->filename = strmake( "%s/include/%s", top_obj_dir, pFile->name );
 470             return file;
 471         }
 472         free( filename );
 473     }
 474
 475     /* check for corresponding .x file in global includes */
 476
 477     if (strendswith( pFile->name, "tmpl.h" ))
 478     {
 479         if (top_src_dir)
 480             filename = strmake( "%s/include/%.*s.x",
 481                                 top_src_dir, strlen(pFile->name) - 2, pFile->name );
 482         else if (top_obj_dir)
 483             filename = strmake( "%s/include/%.*s.x",
 484                                 top_obj_dir, strlen(pFile->name) - 2, pFile->name );
 485         else
 486             filename = NULL;
 487
 488         if (filename && (file = fopen( filename, "r" )))
 489         {
 490             pFile->sourcename = filename;
 491             pFile->filename = strmake( "%s/include/%s", top_obj_dir, pFile->name );
 492             return file;
 493         }
 494         free( filename );
 495     }
 496
 497     /* now try in global includes */
 498     if (top_obj_dir)
 499     {
 500         filename = strmake( "%s/include/%s", top_obj_dir, pFile->name );
 501         if ((file = fopen( filename, "r" ))) goto found;
 502         free( filename );
 503     }
 504     if (top_src_dir)
 505     {
 506         filename = strmake( "%s/include/%s", top_src_dir, pFile->name );
 507         if ((file = fopen( filename, "r" ))) goto found;
 508         free( filename );
 509     }
 510
 511     /* now search in include paths */
 512     LIST_FOR_EACH_ENTRY( path, &paths, INCL_PATH, entry )
 513     {
 514         filename = strmake( "%s/%s", path->name, pFile->name );
 515         if ((file = fopen( filename, "r" ))) goto found;
 516         free( filename );
 517     }
 518     if (pFile->system) return NULL;  /* ignore system files we cannot find */
 519
 520     /* try in src file directory */
 521     if ((p = strrchr(pFile->included_by->filename, '/')))
 522     {
 523         int l = p - pFile->included_by->filename + 1;
 524         filename = xmalloc(l + strlen(pFile->name) + 1);
 525         memcpy( filename, pFile->included_by->filename, l );
 526         strcpy( filename + l, pFile->name );
 527         if ((file = fopen( filename, "r" ))) goto found;
 528         free( filename );
 529     }
 530
 531     fprintf( stderr, "%s:%d: error: ", pFile->included_by->filename, pFile->included_line );
 532     perror( pFile->name );
 533     pFile = pFile->included_by;
 534     while (pFile && pFile->included_by)
 535     {
 536         const char *parent = pFile->included_by->sourcename;
 537         if (!parent) parent = pFile->included_by->name;
 538         fprintf( stderr, "%s:%d: note: %s was first included here\n",
 539                  parent, pFile->included_line, pFile->name );
 540         pFile = pFile->included_by;
 541     }
 542     exit(1);
 543
 544 found:
 545     pFile->filename = filename;
 546     return file;
 547 }
 548
 549
 550 /*******************************************************************
 551  *         parse_idl_file
 552  *
 553  * If for_h_file is non-zero, it means we are not interested in the idl file
 554  * itself, but only in the contents of the .h file that will be generated from it.
 555  */
 556 static void parse_idl_file( INCL_FILE *pFile, FILE *file, int for_h_file )
 557 {
 558     char *buffer, *include;
 559
 560     if (for_h_file)
 561     {
 562         /* generated .h file always includes these */
 563         add_include( pFile, "rpc.h", 0, 1 );
 564         add_include( pFile, "rpcndr.h", 0, 1 );
 565     }
 566
 567     input_line = 0;
 568     while ((buffer = get_line( file )))
 569     {
 570         char quote;
 571         char *p = buffer;
 572         while (*p && isspace(*p)) p++;
 573
 574         if (!strncmp( p, "import", 6 ))
 575         {
 576             p += 6;
 577             while (*p && isspace(*p)) p++;
 578             if (*p != '"') continue;
 579             include = ++p;
 580             while (*p && (*p != '"')) p++;
 581             if (!*p) fatal_error( "%s:%d: error: Malformed import directive\n",
 582                                   pFile->filename, input_line );
 583             *p = 0;
 584             if (for_h_file && strendswith( include, ".idl" )) strcpy( p - 4, ".h" );
 585             add_include( pFile, include, input_line, 0 );
 586             continue;
 587         }
 588
 589         if (for_h_file)  /* only check for #include inside cpp_quote */
 590         {
 591             if (strncmp( p, "cpp_quote", 9 )) continue;
 592             p += 9;
 593             while (*p && isspace(*p)) p++;
 594             if (*p++ != '(') continue;
 595             while (*p && isspace(*p)) p++;
 596             if (*p++ != '"') continue;
 597             if (*p++ != '#') continue;
 598             while (*p && isspace(*p)) p++;
 599             if (strncmp( p, "include", 7 )) continue;
 600             p += 7;
 601             while (*p && isspace(*p)) p++;
 602             if (*p == '\\' && p[1] == '"')
 603             {
 604                 p += 2;
 605                 quote = '"';
 606             }
 607             else
 608             {
 609                 if (*p++ != '<' ) continue;
 610                 quote = '>';
 611             }
 612             include = p;
 613             while (*p && (*p != quote)) p++;
 614             if (!*p || (quote == '"' && p[-1] != '\\'))
 615                 fatal_error( "%s:%d: error: Malformed #include directive inside cpp_quote\n",
 616                              pFile->filename, input_line );
 617             if (quote == '"') p--;  /* remove backslash */
 618             *p = 0;
 619             add_include( pFile, include, input_line, (quote == '>') );
 620             continue;
 621         }
 622
 623         /* check for normal #include */
 624         if (*p++ != '#') continue;
 625         while (*p && isspace(*p)) p++;
 626         if (strncmp( p, "include", 7 )) continue;
 627         p += 7;
 628         while (*p && isspace(*p)) p++;
 629         if (*p != '\"' && *p != '<' ) continue;
 630         quote = *p++;
 631         if (quote == '<') quote = '>';
 632         include = p;
 633         while (*p && (*p != quote)) p++;
 634         if (!*p) fatal_error( "%s:%d: error: Malformed #include directive\n",
 635                               pFile->filename, input_line );
 636         *p = 0;
 637         add_include( pFile, include, input_line, (quote == '>') );
 638     }
 639 }
 640
 641 /*******************************************************************
 642  *         parse_c_file
 643  */
 644 static void parse_c_file( INCL_FILE *pFile, FILE *file )
 645 {
 646     char *buffer, *include;
 647
 648     input_line = 0;
 649     while ((buffer = get_line( file )))
 650     {
 651         char quote;
 652         char *p = buffer;
 653         while (*p && isspace(*p)) p++;
 654         if (*p++ != '#') continue;
 655         while (*p && isspace(*p)) p++;
 656         if (strncmp( p, "include", 7 )) continue;
 657         p += 7;
 658         while (*p && isspace(*p)) p++;
 659         if (*p != '\"' && *p != '<' ) continue;
 660         quote = *p++;
 661         if (quote == '<') quote = '>';
 662         include = p;
 663         while (*p && (*p != quote)) p++;
 664         if (!*p) fatal_error( "%s:%d: error: Malformed #include directive\n",
 665                               pFile->filename, input_line );
 666         *p = 0;
 667         add_include( pFile, include, input_line, (quote == '>') );
 668     }
 669 }
 670
 671
 672 /*******************************************************************
 673  *         parse_rc_file
 674  */
 675 static void parse_rc_file( INCL_FILE *pFile, FILE *file )
 676 {
 677     char *buffer, *include;
 678
 679     input_line = 0;
 680     while ((buffer = get_line( file )))
 681     {
 682         char quote;
 683         char *p = buffer;
 684         while (*p && isspace(*p)) p++;
 685
 686         if (p[0] == '/' && p[1] == '*')  /* check for magic makedep comment */
 687         {
 688             p += 2;
 689             while (*p && isspace(*p)) p++;
 690             if (strncmp( p, "@makedep:", 9 )) continue;
 691             p += 9;
 692             while (*p && isspace(*p)) p++;
 693             quote = '"';
 694             if (*p == quote)
 695             {
 696                 include = ++p;
 697                 while (*p && *p != quote) p++;
 698             }
 699             else
 700             {
 701                 include = p;
 702                 while (*p && !isspace(*p) && *p != '*') p++;
 703             }
 704             if (!*p)
 705                 fatal_error( "%s:%d: error: Malformed makedep comment\n", pFile->filename, input_line );
 706             *p = 0;
 707         }
 708         else  /* check for #include */
 709         {
 710             if (*p++ != '#') continue;
 711             while (*p && isspace(*p)) p++;
 712             if (strncmp( p, "include", 7 )) continue;
 713             p += 7;
 714             while (*p && isspace(*p)) p++;
 715             if (*p != '\"' && *p != '<' ) continue;
 716             quote = *p++;
 717             if (quote == '<') quote = '>';
 718             include = p;
 719             while (*p && (*p != quote)) p++;
 720             if (!*p) fatal_error( "%s:%d: error: Malformed #include directive\n",
 721                                   pFile->filename, input_line );
 722             *p = 0;
 723         }
 724         add_include( pFile, include, input_line, (quote == '>') );
 725     }
 726 }
 727
 728
 729 /*******************************************************************
 730  *         parse_generated_idl
 731  */
 732 static void parse_generated_idl( INCL_FILE *source )
 733 {
 734     char *header, *basename;
 735
 736     basename = xstrdup( source->name );
 737     basename[strlen(basename) - 4] = 0;
 738     header = strmake( "%s.h", basename );
 739     source->filename = xstrdup( source->name );
 740
 741     if (strendswith( source->name, "_c.c" ))
 742     {
 743         add_include( source, header, 0, 0 );
 744     }
 745     else if (strendswith( source->name, "_i.c" ))
 746     {
 747         add_include( source, "rpc.h", 0, 1 );
 748         add_include( source, "rpcndr.h", 0, 1 );
 749         add_include( source, "guiddef.h", 0, 1 );
 750     }
 751     else if (strendswith( source->name, "_p.c" ))
 752     {
 753         add_include( source, "objbase.h", 0, 1 );
 754         add_include( source, "rpcproxy.h", 0, 1 );
 755         add_include( source, "wine/exception.h", 0, 1 );
 756         add_include( source, header, 0, 0 );
 757     }
 758     else if (strendswith( source->name, "_s.c" ))
 759     {
 760         add_include( source, "wine/exception.h", 0, 1 );
 761         add_include( source, header, 0, 0 );
 762     }
 763     else if (!strcmp( source->name, "dlldata.c" ))
 764     {
 765         add_include( source, "objbase.h", 0, 1 );
 766         add_include( source, "rpcproxy.h", 0, 1 );
 767     }
 768
 769     free( header );
 770     free( basename );
 771 }
 772
 773 /*******************************************************************
 774  *         parse_file
 775  */
 776 static void parse_file( INCL_FILE *pFile, int src )
 777 {
 778     FILE *file;
 779
 780     /* special case for source files generated from idl */
 781     if (strendswith( pFile->name, "_c.c" ) ||
 782         strendswith( pFile->name, "_i.c" ) ||
 783         strendswith( pFile->name, "_p.c" ) ||
 784         strendswith( pFile->name, "_s.c" ) ||
 785         !strcmp( pFile->name, "dlldata.c" ))
 786     {
 787         parse_generated_idl( pFile );
 788         return;
 789     }
 790
 791     /* don't try to open certain types of files */
 792     if (strendswith( pFile->name, ".tlb" ) ||
 793         strendswith( pFile->name, ".res" ) ||
 794         strendswith( pFile->name, ".x" ))
 795     {
 796         pFile->filename = xstrdup( pFile->name );
 797         return;
 798     }
 799
 800     file = src ? open_src_file( pFile ) : open_include_file( pFile );
 801     if (!file) return;
 802
 803     if (pFile->sourcename && strendswith( pFile->sourcename, ".idl" ))
 804         parse_idl_file( pFile, file, 1 );
 805     else if (strendswith( pFile->filename, ".idl" ))
 806         parse_idl_file( pFile, file, 0 );
 807     else if (strendswith( pFile->filename, ".c" ) ||
 808              strendswith( pFile->filename, ".h" ) ||
 809              strendswith( pFile->filename, ".l" ) ||
 810              strendswith( pFile->filename, ".y" ))
 811         parse_c_file( pFile, file );
 812     else if (strendswith( pFile->filename, ".rc" ))
 813         parse_rc_file( pFile, file );
 814     fclose(file);
 815 }
 816
 817
 818 /*******************************************************************
 819  *         add_src_file
 820  *
 821  * Add a source file to the list.
 822  */
 823 static INCL_FILE *add_src_file( const char *name )
 824 {
 825     INCL_FILE *file;
 826
 827     if (find_src_file( name )) return NULL;  /* we already have it */
 828     file = xmalloc( sizeof(*file) );
 829     memset( file, 0, sizeof(*file) );
 830     file->name = xstrdup(name);
 831     list_add_tail( &sources, &file->entry );
 832     parse_file( file, 1 );
 833     return file;
 834 }
 835
 836
 837 /*******************************************************************
 838  *         output_include
 839  */
 840 static void output_include( FILE *file, INCL_FILE *pFile,
 841                             INCL_FILE *owner, int *column )
 842 {
 843     int i;
 844
 845     if (pFile->owner == owner) return;
 846     if (!pFile->filename) return;
 847     pFile->owner = owner;
 848     if (*column + strlen(pFile->filename) + 1 > 70)
 849     {
 850         fprintf( file, " \\\n" );
 851         *column = 0;
 852     }
 853     fprintf( file, " %s", pFile->filename );
 854     *column += strlen(pFile->filename) + 1;
 855     for (i = 0; i < MAX_INCLUDES; i++)
 856         if (pFile->files[i]) output_include( file, pFile->files[i],
 857                                              owner, column );
 858 }
 859
 860
 861 /*******************************************************************
 862  *         output_src
 863  */
 864 static int output_src( FILE *file, INCL_FILE *pFile, int *column )
 865 {
 866     char *obj = xstrdup( pFile->name );
 867     char *ext = get_extension( obj );
 868     if (ext)
 869     {
 870         *ext++ = 0;
 871         if (!strcmp( ext, "y" ))  /* yacc file */
 872         {
 873             /* add source file dependency for parallel makes */
 874             char *header = strmake( "%s.tab.h", obj );
 875             if (find_include_file( header )) fprintf( file, "%s.tab.c: %s\n", obj, header );
 876             free( header );
 877             *column += fprintf( file, "%s.tab.o: %s.tab.c", obj, obj );
 878         }
 879         else if (!strcmp( ext, "l" ))  /* lex file */
 880         {
 881             *column += fprintf( file, "%s.yy.o: %s.yy.c", obj, obj );
 882         }
 883         else if (!strcmp( ext, "rc" ))  /* resource file */
 884         {
 885             *column += fprintf( file, "rsrc.pot %s.res: %s", obj, pFile->filename );
 886         }
 887         else if (!strcmp( ext, "mc" ))  /* message file */
 888         {
 889             *column += fprintf( file, "msg.pot %s.res: %s", obj, pFile->filename );
 890         }
 891         else if (!strcmp( ext, "idl" ))  /* IDL file */
 892         {
 893             char *name;
 894             int got_header = 0;
 895             const char *suffix = "cips";
 896
 897             name = strmake( "%s.tlb", obj );
 898             if (find_src_file( name )) *column += fprintf( file, "%s %s_t.res", name, obj );
 899             else
 900             {
 901                 got_header = 1;
 902                 *column += fprintf( file, "%s.h", obj );
 903             }
 904             free( name );
 905
 906             while (*suffix)
 907             {
 908                 name = strmake( "%s_%c.c", obj, *suffix );
 909                 if (find_src_file( name ))
 910                 {
 911                     if (!got_header++) *column += fprintf( file, " %s.h", obj );
 912                     *column += fprintf( file, " %s", name );
 913                 }
 914                 free( name );
 915                 suffix++;
 916             }
 917
 918             name = strmake( "%s_r.res", obj );
 919             if (find_src_file( name )) *column += fprintf( file, " %s", name );
 920             free( name );
 921
 922             *column += fprintf( file, ": %s", pFile->filename );
 923         }
 924         else if (!strcmp( ext, "tlb" ) || !strcmp( ext, "res" ))
 925         {
 926             return 0;  /* nothing to do for typelib files */
 927         }
 928         else
 929         {
 930             OBJECT_EXTENSION *ext;
 931             LIST_FOR_EACH_ENTRY( ext, &object_extensions, OBJECT_EXTENSION, entry )
 932                 *column += fprintf( file, "%s.%s ", obj, ext->extension );
 933             *column += fprintf( file, ": %s", pFile->filename );
 934         }
 935     }
 936     free( obj );
 937     return 1;
 938 }
 939
 940
 941 /*******************************************************************
 942  *         create_temp_file
 943  */
 944 static FILE *create_temp_file( char **tmp_name )
 945 {
 946     char *name = xmalloc( strlen(OutputFileName) + 13 );
 947     unsigned int i, id = getpid();
 948     int fd;
 949     FILE *ret = NULL;
 950
 951     for (i = 0; i < 100; i++)
 952     {
 953         sprintf( name, "%s.tmp%08x", OutputFileName, id );
 954         if ((fd = open( name, O_RDWR | O_CREAT | O_EXCL, 0666 )) != -1)
 955         {
 956             ret = fdopen( fd, "w" );
 957             break;
 958         }
 959         if (errno != EEXIST) break;
 960         id += 7777;
 961     }
 962     if (!ret) fatal_error( "%s: error: failed to create output file for '%s'\n",
 963                            ProgramName, OutputFileName );
 964     *tmp_name = name;
 965     return ret;
 966 }
 967
 968
 969 /*******************************************************************
 970  *         output_dependencies
 971  */
 972 static void output_dependencies(void)
 973 {
 974     INCL_FILE *pFile;
 975     int i, column;
 976     FILE *file = NULL;
 977     char *tmp_name = NULL;
 978
 979     if (Separator && ((file = fopen( OutputFileName, "r" ))))
 980     {
 981         char buffer[1024];
 982         FILE *tmp_file = create_temp_file( &tmp_name );
 983         int found = 0;
 984
 985         while (fgets( buffer, sizeof(buffer), file ) && !found)
 986         {
 987             if (fwrite( buffer, 1, strlen(buffer), tmp_file ) != strlen(buffer))
 988                 fatal_error( "%s: error: failed to write to %s\n", ProgramName, tmp_name );
 989             found = !strncmp( buffer, Separator, strlen(Separator) );
 990         }
 991         fclose( file );
 992         file = tmp_file;
 993         if (!found && list_head(&sources)) fprintf( file, "\n%s\n", Separator );
 994     }
 995     else
 996     {
 997         if (!(file = fopen( OutputFileName, Separator ? "a" : "w" )))
 998         {
 999             perror( OutputFileName );
1000             exit(1);
1001         }
1002     }
1003     LIST_FOR_EACH_ENTRY( pFile, &sources, INCL_FILE, entry )
1004     {
1005         column = 0;
1006         if (!output_src( file, pFile, &column )) continue;
1007         for (i = 0; i < MAX_INCLUDES; i++)
1008             if (pFile->files[i]) output_include( file, pFile->files[i],
1009                                                  pFile, &column );
1010         fprintf( file, "\n" );
1011     }
1012     fclose( file );
1013
1014     if (tmp_name)
1015     {
1016         int ret = rename( tmp_name, OutputFileName );
1017         if (ret == -1 && errno == EEXIST)
1018         {
1019             /* rename doesn't overwrite on windows */
1020             unlink( OutputFileName );
1021             ret = rename( tmp_name, OutputFileName );
1022         }
1023         if (ret == -1)
1024         {
1025             unlink( tmp_name );
1026             fatal_error( "%s: error: failed to rename output file to '%s'\n",
1027                          ProgramName, OutputFileName );
1028         }
1029         free( tmp_name );
1030     }
1031 }
1032
1033
1034 /*******************************************************************
1035  *         parse_option
1036  */
1037 static void parse_option( const char *opt )
1038 {
1039     switch(opt[1])
1040     {
1041     case 'I':
1042         if (opt[2]) add_include_path( opt + 2 );
1043         break;
1044     case 'C':
1045         src_dir = opt + 2;
1046         break;
1047     case 'S':
1048         top_src_dir = opt + 2;
1049         break;
1050     case 'T':
1051         top_obj_dir = opt + 2;
1052         break;
1053     case 'f':
1054         if (opt[2]) OutputFileName = opt + 2;
1055         break;
1056     case 's':
1057         if (opt[2]) Separator = opt + 2;
1058         else Separator = NULL;
1059         break;
1060     case 'x':
1061         if (opt[2]) add_object_extension( opt + 2 );
1062         break;
1063     default:
1064         fprintf( stderr, "Unknown option '%s'\n", opt );
1065         fprintf( stderr, Usage, ProgramName );
1066         exit(1);
1067     }
1068 }
1069
1070
1071 /*******************************************************************
1072  *         main
1073  */
1074 int main( int argc, char *argv[] )
1075 {
1076     INCL_FILE *pFile;
1077     INCL_PATH *path, *next;
1078     int i, j;
1079
1080     if ((ProgramName = strrchr( argv[0], '/' ))) ProgramName++;
1081     else ProgramName = argv[0];
1082
1083     i = 1;
1084     while (i < argc)
1085     {
1086         if (argv[i][0] == '-')
1087         {
1088             parse_option( argv[i] );
1089             for (j = i; j < argc; j++) argv[j] = argv[j+1];
1090             argc--;
1091         }
1092         else i++;
1093     }
1094
1095     /* ignore redundant source paths */
1096     if (src_dir && !strcmp( src_dir, "." )) src_dir = NULL;
1097     if (top_src_dir && top_obj_dir && !strcmp( top_src_dir, top_obj_dir )) top_src_dir = NULL;
1098
1099     /* set the default extension list for object files */
1100     if (list_empty( &object_extensions ))
1101         add_object_extension( "o" );
1102
1103     /* get rid of absolute paths that don't point into the source dir */
1104     LIST_FOR_EACH_ENTRY_SAFE( path, next, &paths, INCL_PATH, entry )
1105     {
1106         if (path->name[0] != '/') continue;
1107         if (top_src_dir)
1108         {
1109             if (!strncmp( path->name, top_src_dir, strlen(top_src_dir) ) &&
1110                 path->name[strlen(top_src_dir)] == '/') continue;
1111         }
1112         list_remove( &path->entry );
1113         free( path );
1114     }
1115
1116     for (i = 1; i < argc; i++)
1117     {
1118         add_src_file( argv[i] );
1119         if (strendswith( argv[i], "_p.c" )) add_src_file( "dlldata.c" );
1120     }
1121     LIST_FOR_EACH_ENTRY( pFile, &includes, INCL_FILE, entry ) parse_file( pFile, 0 );
1122     output_dependencies();
1123     return 0;
1124 }