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 /* u = UUID file only? */
  50 /* U = UUID filename */
  51 /* w = select win16/win32 output (?) */
  52
  53 static char usage[] =
  54 "Usage: widl [options...] infile.idl\n"
  55 "   -c          Generate client stub\n"
  56 "   -C file     Name of client stub file (default is infile_c.c)\n"
  57 "   -d n        Set debug level to 'n'\n"
  58 "   -D id[=val] Define preprocessor identifier id=val\n"
  59 "   -E          Preprocess only\n"
  60 "   -h          Generate headers\n"
  61 "   -H file     Name of header file (default is infile.h)\n"
  62 "   -I path     Set include search dir to path (multiple -I allowed)\n"
  63 "   -N          Do not preprocess input\n"
  64 "   --oldnames  Use old naming conventions\n"
  65 "   -p          Generate proxy\n"
  66 "   -P file     Name of proxy file (default is infile_p.c)\n"
  67 "   -s          Generate server stub\n"
  68 "   -S file     Name of server stub file (default is infile_s.c)\n"
  69 "   -t          Generate typelib\n"
  70 "   -T file     Name of typelib file (default is infile.tlb)\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 no_preprocess = 0;
  98 int old_names = 0;
  99
 100 char *input_name;
 101 char *header_name;
 102 char *header_token;
 103 char *typelib_name;
 104 char *proxy_name;
 105 char *proxy_token;
 106 char *client_name;
 107 char *client_token;
 108 char *server_name;
 109 char *server_token;
 110 char *temp_name;
 111
 112 int line_number = 1;
 113
 114 FILE *header;
 115 FILE *proxy;
 116
 117 time_t now;
 118
 119 static const char *short_options =
 120     "cC:d:D:EhH:I:NpP:sS:tT:VW";
 121 static struct option long_options[] = {
 122     { "oldnames", 0, 0, 1 },
 123     { 0, 0, 0, 0 }
 124 };
 125
 126 static void rm_tempfile(void);
 127 static void segvhandler(int sig);
 128
 129 static char *make_token(const char *name)
 130 {
 131   char *token;
 132   char *slash;
 133   int i;
 134
 135   slash = strrchr(name, '/');
 136   if (slash) name = slash + 1;
 137
 138   token = xstrdup(name);
 139   for (i=0; token[i]; i++) {
 140     if (!isalnum(token[i])) token[i] = '_';
 141     else token[i] = toupper(token[i]);
 142   }
 143   return token;
 144 }
 145
 146 /* duplicate a basename into a valid C token */
 147 static char *dup_basename_token(const char *name, const char *ext)
 148 {
 149     char *p, *ret = dup_basename( name, ext );
 150     /* map invalid characters to '_' */
 151     for (p = ret; *p; p++) if (!isalnum(*p)) *p = '_';
 152     return ret;
 153 }
 154
 155 /* clean things up when aborting on a signal */
 156 static void exit_on_signal( int sig )
 157 {
 158     exit(1);  /* this will call the atexit functions */
 159 }
 160
 161 int main(int argc,char *argv[])
 162 {
 163   extern char* optarg;
 164   extern int   optind;
 165   int optc;
 166   int ret = 0;
 167   int opti = 0;
 168
 169   signal(SIGSEGV, segvhandler);
 170   signal( SIGTERM, exit_on_signal );
 171   signal( SIGINT, exit_on_signal );
 172 #ifdef SIGHUP
 173   signal( SIGHUP, exit_on_signal );
 174 #endif
 175
 176   now = time(NULL);
 177
 178   while((optc = getopt_long(argc, argv, short_options, long_options, &opti)) != EOF) {
 179     switch(optc) {
 180     case 1:
 181       old_names = 1;
 182       break;
 183     case 'c':
 184       do_everything = 0;
 185       do_client = 1;
 186       break;
 187     case 'C':
 188       client_name = strdup(optarg);
 189       break;
 190     case 'd':
 191       debuglevel = strtol(optarg, NULL, 0);
 192       break;
 193     case 'D':
 194       wpp_add_cmdline_define(optarg);
 195       break;
 196     case 'E':
 197       do_everything = 0;
 198       preprocess_only = 1;
 199       break;
 200     case 'h':
 201       do_everything = 0;
 202       do_header = 1;
 203       break;
 204     case 'H':
 205       header_name = strdup(optarg);
 206       break;
 207     case 'I':
 208       wpp_add_include_path(optarg);
 209       break;
 210     case 'N':
 211       no_preprocess = 1;
 212       break;
 213     case 'p':
 214       do_everything = 0;
 215       do_proxies = 1;
 216       break;
 217     case 'P':
 218       proxy_name = strdup(optarg);
 219       break;
 220     case 's':
 221       do_everything = 0;
 222       do_server = 1;
 223       break;
 224     case 'S':
 225       server_name = strdup(optarg);
 226       break;
 227     case 't':
 228       do_everything = 0;
 229       do_typelib = 1;
 230       break;
 231     case 'T':
 232       typelib_name = strdup(optarg);
 233       break;
 234     case 'V':
 235       printf(version_string);
 236       return 0;
 237     case 'W':
 238       pedantic = 1;
 239       break;
 240     default:
 241       fprintf(stderr, usage);
 242       return 1;
 243     }
 244   }
 245
 246   if(do_everything) {
 247       do_header = do_typelib = do_proxies = do_client = do_server = 1;
 248   }
 249   if(optind < argc) {
 250     input_name = xstrdup(argv[optind]);
 251   }
 252   else {
 253     fprintf(stderr, usage);
 254     return 1;
 255   }
 256
 257   if(debuglevel)
 258   {
 259     setbuf(stdout,0);
 260     setbuf(stderr,0);
 261   }
 262
 263   yydebug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 264   yy_flex_debug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 265
 266   wpp_set_debug( (debuglevel & DEBUGLEVEL_PPLEX) != 0,
 267                  (debuglevel & DEBUGLEVEL_PPTRACE) != 0,
 268                  (debuglevel & DEBUGLEVEL_PPMSG) != 0 );
 269
 270   if (!header_name) {
 271     header_name = dup_basename(input_name, ".idl");
 272     strcat(header_name, ".h");
 273   }
 274
 275   if (!typelib_name && do_typelib) {
 276     typelib_name = dup_basename(input_name, ".idl");
 277     strcat(typelib_name, ".tlb");
 278   }
 279
 280   if (!proxy_name && do_proxies) {
 281     proxy_name = dup_basename(input_name, ".idl");
 282     strcat(proxy_name, "_p.c");
 283   }
 284
 285   if (!client_name && do_client) {
 286     client_name = dup_basename(input_name, ".idl");
 287     strcat(client_name, "_c.c");
 288   }
 289
 290   if (!server_name && do_server) {
 291     server_name = dup_basename(input_name, ".idl");
 292     strcat(server_name, "_s.c");
 293   }
 294
 295   if (do_proxies) proxy_token = dup_basename_token(proxy_name,"_p.c");
 296   if (do_client) client_token = dup_basename_token(client_name,"_c.c");
 297   if (do_server) server_token = dup_basename_token(server_name,"_s.c");
 298
 299   wpp_add_cmdline_define("__WIDL__");
 300
 301   atexit(rm_tempfile);
 302   if (!no_preprocess)
 303   {
 304     chat("Starting preprocess\n");
 305
 306     if (!preprocess_only)
 307     {
 308         ret = wpp_parse_temp( input_name, header_name, &temp_name );
 309     }
 310     else
 311     {
 312         ret = wpp_parse( input_name, stdout );
 313     }
 314
 315     if(ret) exit(1);
 316     if(preprocess_only) exit(0);
 317     if(!(yyin = fopen(temp_name, "r"))) {
 318       fprintf(stderr, "Could not open %s for input\n", temp_name);
 319       return 1;
 320     }
 321   }
 322   else {
 323     if(!(yyin = fopen(input_name, "r"))) {
 324       fprintf(stderr, "Could not open %s for input\n", input_name);
 325       return 1;
 326     }
 327   }
 328
 329   if(do_header) {
 330     header_token = make_token(header_name);
 331
 332     if(!(header = fopen(header_name, "w"))) {
 333       fprintf(stderr, "Could not open %s for output\n", header_name);
 334       return 1;
 335     }
 336     fprintf(header, "/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
 337     fprintf(header, "#include <rpc.h>\n" );
 338     fprintf(header, "#include <rpcndr.h>\n\n" );
 339     fprintf(header, "#ifndef __WIDL_%s\n", header_token);
 340     fprintf(header, "#define __WIDL_%s\n", header_token);
 341     fprintf(header, "#ifdef __cplusplus\n");
 342     fprintf(header, "extern \"C\" {\n");
 343     fprintf(header, "#endif\n");
 344   }
 345
 346   ret = yyparse();
 347
 348   if(do_header) {
 349     fprintf(header, "/* Begin additional prototypes for all interfaces */\n");
 350     fprintf(header, "\n");
 351     write_user_types();
 352     fprintf(header, "\n");
 353     fprintf(header, "/* End additional prototypes */\n");
 354     fprintf(header, "\n");
 355     fprintf(header, "#ifdef __cplusplus\n");
 356     fprintf(header, "}\n");
 357     fprintf(header, "#endif\n");
 358     fprintf(header, "#endif /* __WIDL_%s */\n", header_token);
 359     fclose(header);
 360   }
 361
 362   fclose(yyin);
 363
 364   if(ret) {
 365     exit(1);
 366   }
 367   header_name = NULL;
 368   client_name = NULL;
 369   server_name = NULL;
 370   return 0;
 371 }
 372
 373 static void rm_tempfile(void)
 374 {
 375   abort_import();
 376   if(temp_name)
 377     unlink(temp_name);
 378   if (header_name)
 379     unlink(header_name);
 380   if (client_name)
 381     unlink(client_name);
 382   if (server_name)
 383     unlink(server_name);
 384 }
 385
 386 static void segvhandler(int sig)
 387 {
 388   fprintf(stderr, "\n%s:%d: Oops, segment violation\n", input_name, line_number);
 389   fflush(stdout);
 390   fflush(stderr);
 391   abort();
 392 }