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 static void segvhandler(int sig);
 148
 149 static char *make_token(const char *name)
 150 {
 151   char *token;
 152   char *slash;
 153   int i;
 154
 155   slash = strrchr(name, '/');
 156   if (slash) name = slash + 1;
 157
 158   token = xstrdup(name);
 159   for (i=0; token[i]; i++) {
 160     if (!isalnum(token[i])) token[i] = '_';
 161     else token[i] = toupper(token[i]);
 162   }
 163   return token;
 164 }
 165
 166 /* duplicate a basename into a valid C token */
 167 static char *dup_basename_token(const char *name, const char *ext)
 168 {
 169     char *p, *ret = dup_basename( name, ext );
 170     /* map invalid characters to '_' */
 171     for (p = ret; *p; p++) if (!isalnum(*p)) *p = '_';
 172     return ret;
 173 }
 174
 175 /* clean things up when aborting on a signal */
 176 static void exit_on_signal( int sig )
 177 {
 178     exit(1);  /* this will call the atexit functions */
 179 }
 180
 181 int main(int argc,char *argv[])
 182 {
 183   extern char* optarg;
 184   extern int   optind;
 185   int optc;
 186   int ret = 0;
 187   int opti = 0;
 188
 189   signal(SIGSEGV, segvhandler);
 190   signal( SIGTERM, exit_on_signal );
 191   signal( SIGINT, exit_on_signal );
 192 #ifdef SIGHUP
 193   signal( SIGHUP, exit_on_signal );
 194 #endif
 195
 196   now = time(NULL);
 197
 198   while((optc = getopt_long(argc, argv, short_options, long_options, &opti)) != EOF) {
 199     switch(optc) {
 200     case OLDNAMES_OPTION:
 201       old_names = 1;
 202       break;
 203     case PREFIX_ALL_OPTION:
 204       prefix_client = xstrdup(optarg);
 205       prefix_server = xstrdup(optarg);
 206       break;
 207     case PREFIX_CLIENT_OPTION:
 208       prefix_client = xstrdup(optarg);
 209       break;
 210     case PREFIX_SERVER_OPTION:
 211       prefix_server = xstrdup(optarg);
 212       break;
 213     case 'c':
 214       do_everything = 0;
 215       do_client = 1;
 216       break;
 217     case 'C':
 218       client_name = xstrdup(optarg);
 219       break;
 220     case 'd':
 221       debuglevel = strtol(optarg, NULL, 0);
 222       break;
 223     case 'D':
 224       wpp_add_cmdline_define(optarg);
 225       break;
 226     case 'E':
 227       do_everything = 0;
 228       preprocess_only = 1;
 229       break;
 230     case 'h':
 231       do_everything = 0;
 232       do_header = 1;
 233       break;
 234     case 'H':
 235       header_name = xstrdup(optarg);
 236       break;
 237     case 'I':
 238       wpp_add_include_path(optarg);
 239       break;
 240     case 'N':
 241       no_preprocess = 1;
 242       break;
 243     case 'p':
 244       do_everything = 0;
 245       do_proxies = 1;
 246       break;
 247     case 'P':
 248       proxy_name = xstrdup(optarg);
 249       break;
 250     case 's':
 251       do_everything = 0;
 252       do_server = 1;
 253       break;
 254     case 'S':
 255       server_name = xstrdup(optarg);
 256       break;
 257     case 't':
 258       do_everything = 0;
 259       do_typelib = 1;
 260       break;
 261     case 'T':
 262       typelib_name = xstrdup(optarg);
 263       break;
 264     case 'u':
 265       do_everything = 0;
 266       do_idfile = 1;
 267       break;
 268     case 'U':
 269       idfile_name = xstrdup(optarg);
 270       break;
 271     case 'V':
 272       printf(version_string);
 273       return 0;
 274     case 'W':
 275       pedantic = 1;
 276       break;
 277     default:
 278       fprintf(stderr, usage);
 279       return 1;
 280     }
 281   }
 282
 283   if(do_everything) {
 284       do_header = do_typelib = do_proxies = do_client = do_server = do_idfile = 1;
 285   }
 286   if(optind < argc) {
 287     input_name = xstrdup(argv[optind]);
 288   }
 289   else {
 290     fprintf(stderr, usage);
 291     return 1;
 292   }
 293
 294   if(debuglevel)
 295   {
 296     setbuf(stdout,0);
 297     setbuf(stderr,0);
 298   }
 299
 300   parser_debug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 301   yy_flex_debug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 302
 303   wpp_set_debug( (debuglevel & DEBUGLEVEL_PPLEX) != 0,
 304                  (debuglevel & DEBUGLEVEL_PPTRACE) != 0,
 305                  (debuglevel & DEBUGLEVEL_PPMSG) != 0 );
 306
 307   if (!header_name) {
 308     header_name = dup_basename(input_name, ".idl");
 309     strcat(header_name, ".h");
 310   }
 311
 312   if (!typelib_name && do_typelib) {
 313     typelib_name = dup_basename(input_name, ".idl");
 314     strcat(typelib_name, ".tlb");
 315   }
 316
 317   if (!proxy_name && do_proxies) {
 318     proxy_name = dup_basename(input_name, ".idl");
 319     strcat(proxy_name, "_p.c");
 320   }
 321
 322   if (!client_name && do_client) {
 323     client_name = dup_basename(input_name, ".idl");
 324     strcat(client_name, "_c.c");
 325   }
 326
 327   if (!server_name && do_server) {
 328     server_name = dup_basename(input_name, ".idl");
 329     strcat(server_name, "_s.c");
 330   }
 331
 332   if (!idfile_name && do_idfile) {
 333     idfile_name = dup_basename(input_name, ".idl");
 334     strcat(idfile_name, "_i.c");
 335   }
 336
 337   if (do_proxies) proxy_token = dup_basename_token(proxy_name,"_p.c");
 338   if (do_client) client_token = dup_basename_token(client_name,"_c.c");
 339   if (do_server) server_token = dup_basename_token(server_name,"_s.c");
 340
 341   wpp_add_cmdline_define("__WIDL__");
 342
 343   atexit(rm_tempfile);
 344   if (!no_preprocess)
 345   {
 346     chat("Starting preprocess\n");
 347
 348     if (!preprocess_only)
 349     {
 350         ret = wpp_parse_temp( input_name, header_name, &temp_name );
 351     }
 352     else
 353     {
 354         ret = wpp_parse( input_name, stdout );
 355     }
 356
 357     if(ret) exit(1);
 358     if(preprocess_only) exit(0);
 359     if(!(parser_in = fopen(temp_name, "r"))) {
 360       fprintf(stderr, "Could not open %s for input\n", temp_name);
 361       return 1;
 362     }
 363   }
 364   else {
 365     if(!(parser_in = fopen(input_name, "r"))) {
 366       fprintf(stderr, "Could not open %s for input\n", input_name);
 367       return 1;
 368     }
 369   }
 370
 371   if(do_header) {
 372     header_token = make_token(header_name);
 373
 374     if(!(header = fopen(header_name, "w"))) {
 375       fprintf(stderr, "Could not open %s for output\n", header_name);
 376       return 1;
 377     }
 378     fprintf(header, "/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
 379     fprintf(header, "#include <rpc.h>\n" );
 380     fprintf(header, "#include <rpcndr.h>\n\n" );
 381     fprintf(header, "#ifndef __WIDL_%s\n", header_token);
 382     fprintf(header, "#define __WIDL_%s\n", header_token);
 383     fprintf(header, "#ifdef __cplusplus\n");
 384     fprintf(header, "extern \"C\" {\n");
 385     fprintf(header, "#endif\n");
 386   }
 387
 388   if (do_idfile) {
 389     idfile_token = make_token(idfile_name);
 390
 391     idfile = fopen(idfile_name, "w");
 392     if (! idfile) {
 393       fprintf(stderr, "Could not open %s for output\n", idfile_name);
 394       return 1;
 395     }
 396
 397     fprintf(idfile, "/*** Autogenerated by WIDL %s ", PACKAGE_VERSION);
 398     fprintf(idfile, "from %s - Do not edit ***/\n\n", input_name);
 399     fprintf(idfile, "#include <rpc.h>\n");
 400     fprintf(idfile, "#include <rpcndr.h>\n\n");
 401     fprintf(idfile, "#define INITGUID\n");
 402     fprintf(idfile, "#include <guiddef.h>\n\n");
 403     fprintf(idfile, "#ifdef __cplusplus\n");
 404     fprintf(idfile, "extern \"C\" {\n");
 405     fprintf(idfile, "#endif\n\n");
 406   }
 407
 408   init_types();
 409   ret = parser_parse();
 410
 411   if(do_header) {
 412     fprintf(header, "/* Begin additional prototypes for all interfaces */\n");
 413     fprintf(header, "\n");
 414     write_user_types();
 415     fprintf(header, "\n");
 416     fprintf(header, "/* End additional prototypes */\n");
 417     fprintf(header, "\n");
 418     fprintf(header, "#ifdef __cplusplus\n");
 419     fprintf(header, "}\n");
 420     fprintf(header, "#endif\n");
 421     fprintf(header, "#endif /* __WIDL_%s */\n", header_token);
 422     fclose(header);
 423   }
 424
 425   if (do_idfile) {
 426     fprintf(idfile, "\n");
 427     fprintf(idfile, "#ifdef __cplusplus\n");
 428     fprintf(idfile, "}\n");
 429     fprintf(idfile, "#endif\n");
 430
 431     fclose(idfile);
 432   }
 433
 434   fclose(parser_in);
 435
 436   if(ret) {
 437     exit(1);
 438   }
 439   header_name = NULL;
 440   client_name = NULL;
 441   server_name = NULL;
 442   idfile_name = NULL;
 443   return 0;
 444 }
 445
 446 static void rm_tempfile(void)
 447 {
 448   abort_import();
 449   if(temp_name)
 450     unlink(temp_name);
 451   if (header_name)
 452     unlink(header_name);
 453   if (client_name)
 454     unlink(client_name);
 455   if (server_name)
 456     unlink(server_name);
 457 }
 458
 459 static void segvhandler(int sig)
 460 {
 461   fprintf(stderr, "\n%s:%d: Oops, segment violation\n", input_name, line_number);
 462   fflush(stdout);
 463   fflush(stderr);
 464   abort();
 465 }