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: 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: 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: 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: 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: #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: config.h must not be included by a header file\n",
 302                          pFile->filename, line );
 303         if (pos)
 304             fatal_error( "%s:%d: 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: wine/port.h must not be included by a header file\n",
 311                          pFile->filename, line );
 312         if (!pos) fatal_error( "%s:%d: config.h must be included before wine/port.h\n",
 313                                pFile->filename, line );
 314         if (pos > 1)
 315             fatal_error( "%s:%d: 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: 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         perror( pFile->name );
 360         exit(1);
 361     }
 362     return file;
 363 }
 364
 365
 366 /*******************************************************************
 367  *         open_include_file
 368  */
 369 static FILE *open_include_file( INCL_FILE *pFile )
 370 {
 371     FILE *file = NULL;
 372     char *filename, *p;
 373     INCL_PATH *path;
 374
 375     errno = ENOENT;
 376
 377     /* check for generated bison header */
 378
 379     if (strendswith( pFile->name, ".tab.h" ))
 380     {
 381         if (src_dir)
 382             filename = strmake( "%s/%.*s.y", src_dir, strlen(pFile->name) - 6, pFile->name );
 383         else
 384             filename = strmake( "%.*s.y", strlen(pFile->name) - 6, pFile->name );
 385
 386         if ((file = fopen( filename, "r" )))
 387         {
 388             pFile->sourcename = filename;
 389             pFile->filename = xstrdup( pFile->name );
 390             /* don't bother to parse it */
 391             fclose( file );
 392             return NULL;
 393         }
 394         free( filename );
 395     }
 396
 397     /* check for generated message resource */
 398
 399     if (strendswith( pFile->name, ".mc.rc" ))
 400     {
 401         if (src_dir)
 402             filename = strmake( "%s/%s", src_dir, pFile->name );
 403         else
 404             filename = xstrdup( pFile->name );
 405
 406         filename[strlen(filename) - 3] = 0;
 407
 408         if ((file = fopen( filename, "r" )))
 409         {
 410             pFile->sourcename = filename;
 411             pFile->filename = xstrdup( pFile->name );
 412             /* don't bother to parse it */
 413             fclose( file );
 414             return NULL;
 415         }
 416         free( filename );
 417     }
 418
 419     /* check for corresponding idl file in source dir */
 420
 421     if (strendswith( pFile->name, ".h" ))
 422     {
 423         if (src_dir)
 424             filename = strmake( "%s/%.*s.idl", src_dir, strlen(pFile->name) - 2, pFile->name );
 425         else
 426             filename = strmake( "%.*s.idl", strlen(pFile->name) - 2, pFile->name );
 427
 428         if ((file = fopen( filename, "r" )))
 429         {
 430             pFile->sourcename = filename;
 431             pFile->filename = xstrdup( pFile->name );
 432             return file;
 433         }
 434         free( filename );
 435     }
 436
 437     /* first try name as is */
 438     if ((file = fopen( pFile->name, "r" )))
 439     {
 440         pFile->filename = xstrdup( pFile->name );
 441         return file;
 442     }
 443
 444     /* now try in source dir */
 445     if (src_dir)
 446     {
 447         filename = strmake( "%s/%s", src_dir, pFile->name );
 448         if ((file = fopen( filename, "r" ))) goto found;
 449         free( filename );
 450     }
 451
 452     /* check for corresponding idl file in global includes */
 453
 454     if (strendswith( pFile->name, ".h" ))
 455     {
 456         if (top_src_dir)
 457             filename = strmake( "%s/include/%.*s.idl",
 458                                 top_src_dir, strlen(pFile->name) - 2, pFile->name );
 459         else if (top_obj_dir)
 460             filename = strmake( "%s/include/%.*s.idl",
 461                                 top_obj_dir, strlen(pFile->name) - 2, pFile->name );
 462         else
 463             filename = NULL;
 464
 465         if (filename && (file = fopen( filename, "r" )))
 466         {
 467             pFile->sourcename = filename;
 468             pFile->filename = strmake( "%s/include/%s", top_obj_dir, pFile->name );
 469             return file;
 470         }
 471         free( filename );
 472     }
 473
 474     /* check for corresponding .x file in global includes */
 475
 476     if (strendswith( pFile->name, "tmpl.h" ))
 477     {
 478         if (top_src_dir)
 479             filename = strmake( "%s/include/%.*s.x",
 480                                 top_src_dir, strlen(pFile->name) - 2, pFile->name );
 481         else if (top_obj_dir)
 482             filename = strmake( "%s/include/%.*s.x",
 483                                 top_obj_dir, strlen(pFile->name) - 2, pFile->name );
 484         else
 485             filename = NULL;
 486
 487         if (filename && (file = fopen( filename, "r" )))
 488         {
 489             pFile->sourcename = filename;
 490             pFile->filename = strmake( "%s/include/%s", top_obj_dir, pFile->name );
 491             return file;
 492         }
 493         free( filename );
 494     }
 495
 496     /* now try in global includes */
 497     if (top_obj_dir)
 498     {
 499         filename = strmake( "%s/include/%s", top_obj_dir, pFile->name );
 500         if ((file = fopen( filename, "r" ))) goto found;
 501         free( filename );
 502     }
 503     if (top_src_dir)
 504     {
 505         filename = strmake( "%s/include/%s", top_src_dir, pFile->name );
 506         if ((file = fopen( filename, "r" ))) goto found;
 507         free( filename );
 508     }
 509
 510     /* now search in include paths */
 511     LIST_FOR_EACH_ENTRY( path, &paths, INCL_PATH, entry )
 512     {
 513         filename = strmake( "%s/%s", path->name, pFile->name );
 514         if ((file = fopen( filename, "r" ))) goto found;
 515         free( filename );
 516     }
 517     if (pFile->system) return NULL;  /* ignore system files we cannot find */
 518
 519     /* try in src file directory */
 520     if ((p = strrchr(pFile->included_by->filename, '/')))
 521     {
 522         int l = p - pFile->included_by->filename + 1;
 523         filename = xmalloc(l + strlen(pFile->name) + 1);
 524         memcpy( filename, pFile->included_by->filename, l );
 525         strcpy( filename + l, pFile->name );
 526         if ((file = fopen( filename, "r" ))) goto found;
 527         free( filename );
 528     }
 529
 530     perror( pFile->name );
 531     while (pFile->included_by)
 532     {
 533         const char *parent = pFile->included_by->sourcename;
 534         if (!parent) parent = pFile->included_by->name;
 535         fprintf( stderr, "  %s was first included from %s:%d\n",
 536                  pFile->name, parent, pFile->included_line );
 537         pFile = pFile->included_by;
 538     }
 539     exit(1);
 540
 541 found:
 542     pFile->filename = filename;
 543     return file;
 544 }
 545
 546
 547 /*******************************************************************
 548  *         parse_idl_file
 549  *
 550  * If for_h_file is non-zero, it means we are not interested in the idl file
 551  * itself, but only in the contents of the .h file that will be generated from it.
 552  */
 553 static void parse_idl_file( INCL_FILE *pFile, FILE *file, int for_h_file )
 554 {
 555     char *buffer, *include;
 556
 557     if (for_h_file)
 558     {
 559         /* generated .h file always includes these */
 560         add_include( pFile, "rpc.h", 0, 1 );
 561         add_include( pFile, "rpcndr.h", 0, 1 );
 562     }
 563
 564     input_line = 0;
 565     while ((buffer = get_line( file )))
 566     {
 567         char quote;
 568         char *p = buffer;
 569         while (*p && isspace(*p)) p++;
 570
 571         if (!strncmp( p, "import", 6 ))
 572         {
 573             p += 6;
 574             while (*p && isspace(*p)) p++;
 575             if (*p != '"') continue;
 576             include = ++p;
 577             while (*p && (*p != '"')) p++;
 578             if (!*p) fatal_error( "%s:%d: Malformed import directive\n", pFile->filename, input_line );
 579             *p = 0;
 580             if (for_h_file && strendswith( include, ".idl" )) strcpy( p - 4, ".h" );
 581             add_include( pFile, include, input_line, 0 );
 582             continue;
 583         }
 584
 585         if (for_h_file)  /* only check for #include inside cpp_quote */
 586         {
 587             if (strncmp( p, "cpp_quote", 9 )) continue;
 588             p += 9;
 589             while (*p && isspace(*p)) p++;
 590             if (*p++ != '(') continue;
 591             while (*p && isspace(*p)) p++;
 592             if (*p++ != '"') continue;
 593             if (*p++ != '#') continue;
 594             while (*p && isspace(*p)) p++;
 595             if (strncmp( p, "include", 7 )) continue;
 596             p += 7;
 597             while (*p && isspace(*p)) p++;
 598             if (*p == '\\' && p[1] == '"')
 599             {
 600                 p += 2;
 601                 quote = '"';
 602             }
 603             else
 604             {
 605                 if (*p++ != '<' ) continue;
 606                 quote = '>';
 607             }
 608             include = p;
 609             while (*p && (*p != quote)) p++;
 610             if (!*p || (quote == '"' && p[-1] != '\\'))
 611                 fatal_error( "%s:%d: Malformed #include directive inside cpp_quote\n",
 612                              pFile->filename, input_line );
 613             if (quote == '"') p--;  /* remove backslash */
 614             *p = 0;
 615             add_include( pFile, include, input_line, (quote == '>') );
 616             continue;
 617         }
 618
 619         /* check for normal #include */
 620         if (*p++ != '#') continue;
 621         while (*p && isspace(*p)) p++;
 622         if (strncmp( p, "include", 7 )) continue;
 623         p += 7;
 624         while (*p && isspace(*p)) p++;
 625         if (*p != '\"' && *p != '<' ) continue;
 626         quote = *p++;
 627         if (quote == '<') quote = '>';
 628         include = p;
 629         while (*p && (*p != quote)) p++;
 630         if (!*p) fatal_error( "%s:%d: Malformed #include directive\n", pFile->filename, input_line );
 631         *p = 0;
 632         add_include( pFile, include, input_line, (quote == '>') );
 633     }
 634 }
 635
 636 /*******************************************************************
 637  *         parse_c_file
 638  */
 639 static void parse_c_file( INCL_FILE *pFile, FILE *file )
 640 {
 641     char *buffer, *include;
 642
 643     input_line = 0;
 644     while ((buffer = get_line( file )))
 645     {
 646         char quote;
 647         char *p = buffer;
 648         while (*p && isspace(*p)) p++;
 649         if (*p++ != '#') continue;
 650         while (*p && isspace(*p)) p++;
 651         if (strncmp( p, "include", 7 )) continue;
 652         p += 7;
 653         while (*p && isspace(*p)) p++;
 654         if (*p != '\"' && *p != '<' ) continue;
 655         quote = *p++;
 656         if (quote == '<') quote = '>';
 657         include = p;
 658         while (*p && (*p != quote)) p++;
 659         if (!*p) fatal_error( "%s:%d: Malformed #include directive\n",
 660                               pFile->filename, input_line );
 661         *p = 0;
 662         add_include( pFile, include, input_line, (quote == '>') );
 663     }
 664 }
 665
 666
 667 /*******************************************************************
 668  *         parse_rc_file
 669  */
 670 static void parse_rc_file( INCL_FILE *pFile, FILE *file )
 671 {
 672     char *buffer, *include;
 673
 674     input_line = 0;
 675     while ((buffer = get_line( file )))
 676     {
 677         char quote;
 678         char *p = buffer;
 679         while (*p && isspace(*p)) p++;
 680
 681         if (p[0] == '/' && p[1] == '*')  /* check for magic makedep comment */
 682         {
 683             p += 2;
 684             while (*p && isspace(*p)) p++;
 685             if (strncmp( p, "@makedep:", 9 )) continue;
 686             p += 9;
 687             while (*p && isspace(*p)) p++;
 688             quote = '"';
 689             if (*p == quote)
 690             {
 691                 include = ++p;
 692                 while (*p && *p != quote) p++;
 693             }
 694             else
 695             {
 696                 include = p;
 697                 while (*p && !isspace(*p) && *p != '*') p++;
 698             }
 699             if (!*p)
 700                 fatal_error( "%s:%d: Malformed makedep comment\n", pFile->filename, input_line );
 701             *p = 0;
 702         }
 703         else  /* check for #include */
 704         {
 705             if (*p++ != '#') continue;
 706             while (*p && isspace(*p)) p++;
 707             if (strncmp( p, "include", 7 )) continue;
 708             p += 7;
 709             while (*p && isspace(*p)) p++;
 710             if (*p != '\"' && *p != '<' ) continue;
 711             quote = *p++;
 712             if (quote == '<') quote = '>';
 713             include = p;
 714             while (*p && (*p != quote)) p++;
 715             if (!*p) fatal_error( "%s:%d: Malformed #include directive\n",
 716                                   pFile->filename, input_line );
 717             *p = 0;
 718         }
 719         add_include( pFile, include, input_line, (quote == '>') );
 720     }
 721 }
 722
 723
 724 /*******************************************************************
 725  *         parse_generated_idl
 726  */
 727 static void parse_generated_idl( INCL_FILE *source )
 728 {
 729     char *header, *basename;
 730
 731     basename = xstrdup( source->name );
 732     basename[strlen(basename) - 4] = 0;
 733     header = strmake( "%s.h", basename );
 734     source->filename = xstrdup( source->name );
 735
 736     if (strendswith( source->name, "_c.c" ))
 737     {
 738         add_include( source, header, 0, 0 );
 739     }
 740     else if (strendswith( source->name, "_i.c" ))
 741     {
 742         add_include( source, "rpc.h", 0, 1 );
 743         add_include( source, "rpcndr.h", 0, 1 );
 744         add_include( source, "guiddef.h", 0, 1 );
 745     }
 746     else if (strendswith( source->name, "_p.c" ))
 747     {
 748         add_include( source, "objbase.h", 0, 1 );
 749         add_include( source, "rpcproxy.h", 0, 1 );
 750         add_include( source, "wine/exception.h", 0, 1 );
 751         add_include( source, header, 0, 0 );
 752     }
 753     else if (strendswith( source->name, "_s.c" ))
 754     {
 755         add_include( source, "wine/exception.h", 0, 1 );
 756         add_include( source, header, 0, 0 );
 757     }
 758     else if (!strcmp( source->name, "dlldata.c" ))
 759     {
 760         add_include( source, "objbase.h", 0, 1 );
 761         add_include( source, "rpcproxy.h", 0, 1 );
 762     }
 763
 764     free( header );
 765     free( basename );
 766 }
 767
 768 /*******************************************************************
 769  *         parse_file
 770  */
 771 static void parse_file( INCL_FILE *pFile, int src )
 772 {
 773     FILE *file;
 774
 775     /* special case for source files generated from idl */
 776     if (strendswith( pFile->name, "_c.c" ) ||
 777         strendswith( pFile->name, "_i.c" ) ||
 778         strendswith( pFile->name, "_p.c" ) ||
 779         strendswith( pFile->name, "_s.c" ) ||
 780         !strcmp( pFile->name, "dlldata.c" ))
 781     {
 782         parse_generated_idl( pFile );
 783         return;
 784     }
 785
 786     /* don't try to open certain types of files */
 787     if (strendswith( pFile->name, ".tlb" ) ||
 788         strendswith( pFile->name, ".res" ) ||
 789         strendswith( pFile->name, ".x" ))
 790     {
 791         pFile->filename = xstrdup( pFile->name );
 792         return;
 793     }
 794
 795     file = src ? open_src_file( pFile ) : open_include_file( pFile );
 796     if (!file) return;
 797
 798     if (pFile->sourcename && strendswith( pFile->sourcename, ".idl" ))
 799         parse_idl_file( pFile, file, 1 );
 800     else if (strendswith( pFile->filename, ".idl" ))
 801         parse_idl_file( pFile, file, 0 );
 802     else if (strendswith( pFile->filename, ".c" ) ||
 803              strendswith( pFile->filename, ".h" ) ||
 804              strendswith( pFile->filename, ".l" ) ||
 805              strendswith( pFile->filename, ".y" ))
 806         parse_c_file( pFile, file );
 807     else if (strendswith( pFile->filename, ".rc" ))
 808         parse_rc_file( pFile, file );
 809     fclose(file);
 810 }
 811
 812
 813 /*******************************************************************
 814  *         add_src_file
 815  *
 816  * Add a source file to the list.
 817  */
 818 static INCL_FILE *add_src_file( const char *name )
 819 {
 820     INCL_FILE *file;
 821
 822     if (find_src_file( name )) return NULL;  /* we already have it */
 823     file = xmalloc( sizeof(*file) );
 824     memset( file, 0, sizeof(*file) );
 825     file->name = xstrdup(name);
 826     list_add_tail( &sources, &file->entry );
 827     parse_file( file, 1 );
 828     return file;
 829 }
 830
 831
 832 /*******************************************************************
 833  *         output_include
 834  */
 835 static void output_include( FILE *file, INCL_FILE *pFile,
 836                             INCL_FILE *owner, int *column )
 837 {
 838     int i;
 839
 840     if (pFile->owner == owner) return;
 841     if (!pFile->filename) return;
 842     pFile->owner = owner;
 843     if (*column + strlen(pFile->filename) + 1 > 70)
 844     {
 845         fprintf( file, " \\\n" );
 846         *column = 0;
 847     }
 848     fprintf( file, " %s", pFile->filename );
 849     *column += strlen(pFile->filename) + 1;
 850     for (i = 0; i < MAX_INCLUDES; i++)
 851         if (pFile->files[i]) output_include( file, pFile->files[i],
 852                                              owner, column );
 853 }
 854
 855
 856 /*******************************************************************
 857  *         output_src
 858  */
 859 static int output_src( FILE *file, INCL_FILE *pFile, int *column )
 860 {
 861     char *obj = xstrdup( pFile->name );
 862     char *ext = get_extension( obj );
 863     if (ext)
 864     {
 865         *ext++ = 0;
 866         if (!strcmp( ext, "y" ))  /* yacc file */
 867         {
 868             /* add source file dependency for parallel makes */
 869             char *header = strmake( "%s.tab.h", obj );
 870             if (find_include_file( header )) fprintf( file, "%s.tab.c: %s\n", obj, header );
 871             free( header );
 872             *column += fprintf( file, "%s.tab.o: %s.tab.c", obj, obj );
 873         }
 874         else if (!strcmp( ext, "l" ))  /* lex file */
 875         {
 876             *column += fprintf( file, "%s.yy.o: %s.yy.c", obj, obj );
 877         }
 878         else if (!strcmp( ext, "rc" ))  /* resource file */
 879         {
 880             *column += fprintf( file, "rsrc.pot %s.res: %s", obj, pFile->filename );
 881         }
 882         else if (!strcmp( ext, "mc" ))  /* message file */
 883         {
 884             *column += fprintf( file, "msg.pot %s.res: %s", obj, pFile->filename );
 885         }
 886         else if (!strcmp( ext, "idl" ))  /* IDL file */
 887         {
 888             char *name;
 889             int got_header = 0;
 890             const char *suffix = "cips";
 891
 892             name = strmake( "%s.tlb", obj );
 893             if (find_src_file( name )) *column += fprintf( file, "%s %s_t.res", name, obj );
 894             else
 895             {
 896                 got_header = 1;
 897                 *column += fprintf( file, "%s.h", obj );
 898             }
 899             free( name );
 900
 901             while (*suffix)
 902             {
 903                 name = strmake( "%s_%c.c", obj, *suffix );
 904                 if (find_src_file( name ))
 905                 {
 906                     if (!got_header++) *column += fprintf( file, " %s.h", obj );
 907                     *column += fprintf( file, " %s", name );
 908                 }
 909                 free( name );
 910                 suffix++;
 911             }
 912
 913             name = strmake( "%s_r.res", obj );
 914             if (find_src_file( name )) *column += fprintf( file, " %s", name );
 915             free( name );
 916
 917             *column += fprintf( file, ": %s", pFile->filename );
 918         }
 919         else if (!strcmp( ext, "tlb" ) || !strcmp( ext, "res" ))
 920         {
 921             return 0;  /* nothing to do for typelib files */
 922         }
 923         else
 924         {
 925             OBJECT_EXTENSION *ext;
 926             LIST_FOR_EACH_ENTRY( ext, &object_extensions, OBJECT_EXTENSION, entry )
 927                 *column += fprintf( file, "%s.%s ", obj, ext->extension );
 928             *column += fprintf( file, ": %s", pFile->filename );
 929         }
 930     }
 931     free( obj );
 932     return 1;
 933 }
 934
 935
 936 /*******************************************************************
 937  *         create_temp_file
 938  */
 939 static FILE *create_temp_file( char **tmp_name )
 940 {
 941     char *name = xmalloc( strlen(OutputFileName) + 13 );
 942     unsigned int i, id = getpid();
 943     int fd;
 944     FILE *ret = NULL;
 945
 946     for (i = 0; i < 100; i++)
 947     {
 948         sprintf( name, "%s.tmp%08x", OutputFileName, id );
 949         if ((fd = open( name, O_RDWR | O_CREAT | O_EXCL, 0666 )) != -1)
 950         {
 951             ret = fdopen( fd, "w" );
 952             break;
 953         }
 954         if (errno != EEXIST) break;
 955         id += 7777;
 956     }
 957     if (!ret) fatal_error( "failed to create output file for '%s'\n", OutputFileName );
 958     *tmp_name = name;
 959     return ret;
 960 }
 961
 962
 963 /*******************************************************************
 964  *         output_dependencies
 965  */
 966 static void output_dependencies(void)
 967 {
 968     INCL_FILE *pFile;
 969     int i, column;
 970     FILE *file = NULL;
 971     char *tmp_name = NULL;
 972
 973     if (Separator && ((file = fopen( OutputFileName, "r" ))))
 974     {
 975         char buffer[1024];
 976         FILE *tmp_file = create_temp_file( &tmp_name );
 977         int found = 0;
 978
 979         while (fgets( buffer, sizeof(buffer), file ) && !found)
 980         {
 981             if (fwrite( buffer, 1, strlen(buffer), tmp_file ) != strlen(buffer))
 982                 fatal_error( "error writing to %s\n", tmp_name );
 983             found = !strncmp( buffer, Separator, strlen(Separator) );
 984         }
 985         fclose( file );
 986         file = tmp_file;
 987         if (!found && list_head(&sources)) fprintf( file, "\n%s\n", Separator );
 988     }
 989     else
 990     {
 991         if (!(file = fopen( OutputFileName, Separator ? "a" : "w" )))
 992         {
 993             perror( OutputFileName );
 994             exit(1);
 995         }
 996     }
 997     LIST_FOR_EACH_ENTRY( pFile, &sources, INCL_FILE, entry )
 998     {
 999         column = 0;
1000         if (!output_src( file, pFile, &column )) continue;
1001         for (i = 0; i < MAX_INCLUDES; i++)
1002             if (pFile->files[i]) output_include( file, pFile->files[i],
1003                                                  pFile, &column );
1004         fprintf( file, "\n" );
1005     }
1006     fclose( file );
1007
1008     if (tmp_name)
1009     {
1010         int ret = rename( tmp_name, OutputFileName );
1011         if (ret == -1 && errno == EEXIST)
1012         {
1013             /* rename doesn't overwrite on windows */
1014             unlink( OutputFileName );
1015             ret = rename( tmp_name, OutputFileName );
1016         }
1017         if (ret == -1)
1018         {
1019             unlink( tmp_name );
1020             fatal_error( "failed to rename output file to '%s'\n", OutputFileName );
1021         }
1022         free( tmp_name );
1023     }
1024 }
1025
1026
1027 /*******************************************************************
1028  *         parse_option
1029  */
1030 static void parse_option( const char *opt )
1031 {
1032     switch(opt[1])
1033     {
1034     case 'I':
1035         if (opt[2]) add_include_path( opt + 2 );
1036         break;
1037     case 'C':
1038         src_dir = opt + 2;
1039         break;
1040     case 'S':
1041         top_src_dir = opt + 2;
1042         break;
1043     case 'T':
1044         top_obj_dir = opt + 2;
1045         break;
1046     case 'f':
1047         if (opt[2]) OutputFileName = opt + 2;
1048         break;
1049     case 's':
1050         if (opt[2]) Separator = opt + 2;
1051         else Separator = NULL;
1052         break;
1053     case 'x':
1054         if (opt[2]) add_object_extension( opt + 2 );
1055         break;
1056     default:
1057         fprintf( stderr, "Unknown option '%s'\n", opt );
1058         fprintf( stderr, Usage, ProgramName );
1059         exit(1);
1060     }
1061 }
1062
1063
1064 /*******************************************************************
1065  *         main
1066  */
1067 int main( int argc, char *argv[] )
1068 {
1069     INCL_FILE *pFile;
1070     INCL_PATH *path, *next;
1071     int i, j;
1072
1073     ProgramName = argv[0];
1074
1075     i = 1;
1076     while (i < argc)
1077     {
1078         if (argv[i][0] == '-')
1079         {
1080             parse_option( argv[i] );
1081             for (j = i; j < argc; j++) argv[j] = argv[j+1];
1082             argc--;
1083         }
1084         else i++;
1085     }
1086
1087     /* ignore redundant source paths */
1088     if (src_dir && !strcmp( src_dir, "." )) src_dir = NULL;
1089     if (top_src_dir && top_obj_dir && !strcmp( top_src_dir, top_obj_dir )) top_src_dir = NULL;
1090
1091     /* set the default extension list for object files */
1092     if (list_empty( &object_extensions ))
1093         add_object_extension( "o" );
1094
1095     /* get rid of absolute paths that don't point into the source dir */
1096     LIST_FOR_EACH_ENTRY_SAFE( path, next, &paths, INCL_PATH, entry )
1097     {
1098         if (path->name[0] != '/') continue;
1099         if (top_src_dir)
1100         {
1101             if (!strncmp( path->name, top_src_dir, strlen(top_src_dir) ) &&
1102                 path->name[strlen(top_src_dir)] == '/') continue;
1103         }
1104         list_remove( &path->entry );
1105         free( path );
1106     }
1107
1108     for (i = 1; i < argc; i++)
1109     {
1110         add_src_file( argv[i] );
1111         if (strendswith( argv[i], "_p.c" )) add_src_file( "dlldata.c" );
1112     }
1113     LIST_FOR_EACH_ENTRY( pFile, &includes, INCL_FILE, entry ) parse_file( pFile, 0 );
1114     output_dependencies();
1115     return 0;
1116 }