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