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