tools/widl/widl.c

   1 /*
   2  * IDL Compiler
   3  *
   4  * Copyright 2002 Ove Kaaven
   5  * based on WRC code by Bertho Stultiens
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <limits.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include <string.h>
  32 #include <assert.h>
  33 #include <ctype.h>
  34 #include <signal.h>
  35 #ifdef HAVE_GETOPT_H
  36 # include <getopt.h>
  37 #endif
  38
  39 #include "widl.h"
  40 #include "utils.h"
  41 #include "parser.h"
  42 #include "wine/wpp.h"
  43 #include "header.h"
  44
  45 /* future options to reserve characters for: */
  46 /* a = alignment of structures */
  47 /* A = ACF input filename */
  48 /* J = do not search standard include path */
  49 /* O = generate interpreted stubs */
  50 /* w = select win16/win32 output (?) */
  51
  52 static char usage[] =
  53 "Usage: widl [options...] infile.idl\n"
  54 "   -c          Generate client stub\n"
  55 "   -C file     Name of client stub file (default is infile_c.c)\n"
  56 "   -d n        Set debug level to 'n'\n"
  57 "   -D id[=val] Define preprocessor identifier id=val\n"
  58 "   -E          Preprocess only\n"
  59 "   -h          Generate headers\n"
  60 "   -H file     Name of header file (default is infile.h)\n"
  61 "   -I path     Set include search dir to path (multiple -I allowed)\n"
  62 "   -N          Do not preprocess input\n"
  63 "   --oldnames  Use old naming conventions\n"
  64 "   -p          Generate proxy\n"
  65 "   -P file     Name of proxy file (default is infile_p.c)\n"
  66 "   --prefix-all=p  Prefix names of client stubs / server functions with 'p'\n"
  67 "   --prefix-client=p  Prefix names of client stubs with 'p'\n"
  68 "   --prefix-server=p  Prefix names of server functions with 'p'\n"
  69 "   -s          Generate server stub\n"
  70 "   -S file     Name of server stub file (default is infile_s.c)\n"
  71 "   -t          Generate typelib\n"
  72 "   -T file     Name of typelib file (default is infile.tlb)\n"
  73 "   -u          Generate interface identifiers file\n"
  74 "   -U file     Name of interface identifiers file (default is infile_i.c)\n"
  75 "   -V          Print version and exit\n"
  76 "   -W          Enable pedantic warnings\n"
  77 "Debug level 'n' is a bitmask with following meaning:\n"
  78 "    * 0x01 Tell which resource is parsed (verbose mode)\n"
  79 "    * 0x02 Dump internal structures\n"
  80 "    * 0x04 Create a parser trace (yydebug=1)\n"
  81 "    * 0x08 Preprocessor messages\n"
  82 "    * 0x10 Preprocessor lex messages\n"
  83 "    * 0x20 Preprocessor yacc trace\n"
  84 ;
  85
  86 static const char version_string[] = "Wine IDL Compiler version " PACKAGE_VERSION "\n"
  87                         "Copyright 2002 Ove Kaaven\n";
  88
  89 int win32 = 1;
  90 int debuglevel = DEBUGLEVEL_NONE;
  91 int parser_debug, yy_flex_debug;
  92
  93 int pedantic = 0;
  94 int do_everything = 1;
  95 int preprocess_only = 0;
  96 int do_header = 0;
  97 int do_typelib = 0;
  98 int do_proxies = 0;
  99 int do_client = 0;
 100 int do_server = 0;
 101 int do_idfile = 0;
 102 int no_preprocess = 0;
 103 int old_names = 0;
 104
 105 char *input_name;
 106 char *header_name;
 107 char *header_token;
 108 char *typelib_name;
 109 char *proxy_name;
 110 char *proxy_token;
 111 char *client_name;
 112 char *client_token;
 113 char *server_name;
 114 char *server_token;
 115 char *idfile_name;
 116 char *idfile_token;
 117 char *temp_name;
 118 const char *prefix_client = "";
 119 const char *prefix_server = "";
 120
 121 int line_number = 1;
 122
 123 FILE *header;
 124 FILE *proxy;
 125 FILE *idfile;
 126
 127 time_t now;
 128
 129 enum {
 130     OLDNAMES_OPTION = CHAR_MAX + 1,
 131     PREFIX_ALL_OPTION,
 132     PREFIX_CLIENT_OPTION,
 133     PREFIX_SERVER_OPTION
 134 };
 135
 136 static const char *short_options =
 137     "cC:d:D:EhH:I:NpP:sS:tT:uU:VW";
 138 static struct option long_options[] = {
 139     { "oldnames", no_argument, 0, OLDNAMES_OPTION },
 140     { "prefix-all", required_argument, 0, PREFIX_ALL_OPTION },
 141     { "prefix-client", required_argument, 0, PREFIX_CLIENT_OPTION },
 142     { "prefix-server", required_argument, 0, PREFIX_SERVER_OPTION },
 143     { 0, 0, 0, 0 }
 144 };
 145
 146 static void rm_tempfile(void);
 147
 148 static char *make_token(const char *name)
 149 {
 150   char *token;
 151   char *slash;
 152   int i;
 153
 154   slash = strrchr(name, '/');
 155   if (slash) name = slash + 1;
 156
 157   token = xstrdup(name);
 158   for (i=0; token[i]; i++) {
 159     if (!isalnum(token[i])) token[i] = '_';
 160     else token[i] = toupper(token[i]);
 161   }
 162   return token;
 163 }
 164
 165 /* duplicate a basename into a valid C token */
 166 static char *dup_basename_token(const char *name, const char *ext)
 167 {
 168     char *p, *ret = dup_basename( name, ext );
 169     /* map invalid characters to '_' */
 170     for (p = ret; *p; p++) if (!isalnum(*p)) *p = '_';
 171     return ret;
 172 }
 173
 174 /* clean things up when aborting on a signal */
 175 static void exit_on_signal( int sig )
 176 {
 177     exit(1);  /* this will call the atexit functions */
 178 }
 179
 180 int main(int argc,char *argv[])
 181 {
 182   extern char* optarg;
 183   extern int   optind;
 184   int optc;
 185   int ret = 0;
 186   int opti = 0;
 187
 188   signal( SIGTERM, exit_on_signal );
 189   signal( SIGINT, exit_on_signal );
 190 #ifdef SIGHUP
 191   signal( SIGHUP, exit_on_signal );
 192 #endif
 193
 194   now = time(NULL);
 195
 196   while((optc = getopt_long(argc, argv, short_options, long_options, &opti)) != EOF) {
 197     switch(optc) {
 198     case OLDNAMES_OPTION:
 199       old_names = 1;
 200       break;
 201     case PREFIX_ALL_OPTION:
 202       prefix_client = xstrdup(optarg);
 203       prefix_server = xstrdup(optarg);
 204       break;
 205     case PREFIX_CLIENT_OPTION:
 206       prefix_client = xstrdup(optarg);
 207       break;
 208     case PREFIX_SERVER_OPTION:
 209       prefix_server = xstrdup(optarg);
 210       break;
 211     case 'c':
 212       do_everything = 0;
 213       do_client = 1;
 214       break;
 215     case 'C':
 216       client_name = xstrdup(optarg);
 217       break;
 218     case 'd':
 219       debuglevel = strtol(optarg, NULL, 0);
 220       break;
 221     case 'D':
 222       wpp_add_cmdline_define(optarg);
 223       break;
 224     case 'E':
 225       do_everything = 0;
 226       preprocess_only = 1;
 227       break;
 228     case 'h':
 229       do_everything = 0;
 230       do_header = 1;
 231       break;
 232     case 'H':
 233       header_name = xstrdup(optarg);
 234       break;
 235     case 'I':
 236       wpp_add_include_path(optarg);
 237       break;
 238     case 'N':
 239       no_preprocess = 1;
 240       break;
 241     case 'p':
 242       do_everything = 0;
 243       do_proxies = 1;
 244       break;
 245     case 'P':
 246       proxy_name = xstrdup(optarg);
 247       break;
 248     case 's':
 249       do_everything = 0;
 250       do_server = 1;
 251       break;
 252     case 'S':
 253       server_name = xstrdup(optarg);
 254       break;
 255     case 't':
 256       do_everything = 0;
 257       do_typelib = 1;
 258       break;
 259     case 'T':
 260       typelib_name = xstrdup(optarg);
 261       break;
 262     case 'u':
 263       do_everything = 0;
 264       do_idfile = 1;
 265       break;
 266     case 'U':
 267       idfile_name = xstrdup(optarg);
 268       break;
 269     case 'V':
 270       printf(version_string);
 271       return 0;
 272     case 'W':
 273       pedantic = 1;
 274       break;
 275     default:
 276       fprintf(stderr, usage);
 277       return 1;
 278     }
 279   }
 280
 281   if(do_everything) {
 282       do_header = do_typelib = do_proxies = do_client = do_server = do_idfile = 1;
 283   }
 284   if(optind < argc) {
 285     input_name = xstrdup(argv[optind]);
 286   }
 287   else {
 288     fprintf(stderr, usage);
 289     return 1;
 290   }
 291
 292   if(debuglevel)
 293   {
 294     setbuf(stdout,0);
 295     setbuf(stderr,0);
 296   }
 297
 298   parser_debug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 299   yy_flex_debug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 300
 301   wpp_set_debug( (debuglevel & DEBUGLEVEL_PPLEX) != 0,
 302                  (debuglevel & DEBUGLEVEL_PPTRACE) != 0,
 303                  (debuglevel & DEBUGLEVEL_PPMSG) != 0 );
 304
 305   if (!header_name) {
 306     header_name = dup_basename(input_name, ".idl");
 307     strcat(header_name, ".h");
 308   }
 309
 310   if (!typelib_name && do_typelib) {
 311     typelib_name = dup_basename(input_name, ".idl");
 312     strcat(typelib_name, ".tlb");
 313   }
 314
 315   if (!proxy_name && do_proxies) {
 316     proxy_name = dup_basename(input_name, ".idl");
 317     strcat(proxy_name, "_p.c");
 318   }
 319
 320   if (!client_name && do_client) {
 321     client_name = dup_basename(input_name, ".idl");
 322     strcat(client_name, "_c.c");
 323   }
 324
 325   if (!server_name && do_server) {
 326     server_name = dup_basename(input_name, ".idl");
 327     strcat(server_name, "_s.c");
 328   }
 329
 330   if (!idfile_name && do_idfile) {
 331     idfile_name = dup_basename(input_name, ".idl");
 332     strcat(idfile_name, "_i.c");
 333   }
 334
 335   if (do_proxies) proxy_token = dup_basename_token(proxy_name,"_p.c");
 336   if (do_client) client_token = dup_basename_token(client_name,"_c.c");
 337   if (do_server) server_token = dup_basename_token(server_name,"_s.c");
 338
 339   wpp_add_cmdline_define("__WIDL__");
 340
 341   atexit(rm_tempfile);
 342   if (!no_preprocess)
 343   {
 344     chat("Starting preprocess\n");
 345
 346     if (!preprocess_only)
 347     {
 348         ret = wpp_parse_temp( input_name, header_name, &temp_name );
 349     }
 350     else
 351     {
 352         ret = wpp_parse( input_name, stdout );
 353     }
 354
 355     if(ret) exit(1);
 356     if(preprocess_only) exit(0);
 357     if(!(parser_in = fopen(temp_name, "r"))) {
 358       fprintf(stderr, "Could not open %s for input\n", temp_name);
 359       return 1;
 360     }
 361   }
 362   else {
 363     if(!(parser_in = fopen(input_name, "r"))) {
 364       fprintf(stderr, "Could not open %s for input\n", input_name);
 365       return 1;
 366     }
 367   }
 368
 369   if(do_header) {
 370     header_token = make_token(header_name);
 371
 372     if(!(header = fopen(header_name, "w"))) {
 373       fprintf(stderr, "Could not open %s for output\n", header_name);
 374       return 1;
 375     }
 376     fprintf(header, "/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
 377     fprintf(header, "#include <rpc.h>\n" );
 378     fprintf(header, "#include <rpcndr.h>\n\n" );
 379     fprintf(header, "#ifndef __WIDL_%s\n", header_token);
 380     fprintf(header, "#define __WIDL_%s\n", header_token);
 381     fprintf(header, "#ifdef __cplusplus\n");
 382     fprintf(header, "extern \"C\" {\n");
 383     fprintf(header, "#endif\n");
 384   }
 385
 386   if (do_idfile) {
 387     idfile_token = make_token(idfile_name);
 388
 389     idfile = fopen(idfile_name, "w");
 390     if (! idfile) {
 391       fprintf(stderr, "Could not open %s for output\n", idfile_name);
 392       return 1;
 393     }
 394
 395     fprintf(idfile, "/*** Autogenerated by WIDL %s ", PACKAGE_VERSION);
 396     fprintf(idfile, "from %s - Do not edit ***/\n\n", input_name);
 397     fprintf(idfile, "#include <rpc.h>\n");
 398     fprintf(idfile, "#include <rpcndr.h>\n\n");
 399     fprintf(idfile, "#define INITGUID\n");
 400     fprintf(idfile, "#include <guiddef.h>\n\n");
 401     fprintf(idfile, "#ifdef __cplusplus\n");
 402     fprintf(idfile, "extern \"C\" {\n");
 403     fprintf(idfile, "#endif\n\n");
 404   }
 405
 406   init_types();
 407   ret = parser_parse();
 408
 409   if(do_header) {
 410     fprintf(header, "/* Begin additional prototypes for all interfaces */\n");
 411     fprintf(header, "\n");
 412     write_user_types();
 413     fprintf(header, "\n");
 414     fprintf(header, "/* End additional prototypes */\n");
 415     fprintf(header, "\n");
 416     fprintf(header, "#ifdef __cplusplus\n");
 417     fprintf(header, "}\n");
 418     fprintf(header, "#endif\n");
 419     fprintf(header, "#endif /* __WIDL_%s */\n", header_token);
 420     fclose(header);
 421   }
 422
 423   if (do_idfile) {
 424     fprintf(idfile, "\n");
 425     fprintf(idfile, "#ifdef __cplusplus\n");
 426     fprintf(idfile, "}\n");
 427     fprintf(idfile, "#endif\n");
 428
 429     fclose(idfile);
 430   }
 431
 432   fclose(parser_in);
 433
 434   if(ret) {
 435     exit(1);
 436   }
 437   header_name = NULL;
 438   client_name = NULL;
 439   server_name = NULL;
 440   idfile_name = NULL;
 441   return 0;
 442 }
 443
 444 static void rm_tempfile(void)
 445 {
 446   abort_import();
 447   if(temp_name)
 448     unlink(temp_name);
 449   if (header_name)
 450     unlink(header_name);
 451   if (client_name)
 452     unlink(client_name);
 453   if (server_name)
 454     unlink(server_name);
 455 }