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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  35 #include "widl.h"
  36 #include "utils.h"
  37 #include "parser.h"
  38 #include "wine/wpp.h"
  39 #include "header.h"
  40
  41 /* future options to reserve characters for: */
  42 /* a = alignment of structures */
  43 /* A = ACF input filename */
  44 /* J = do not search standard include path */
  45 /* O = generate interpreted stubs */
  46 /* u = UUID file only? */
  47 /* U = UUID filename */
  48 /* w = select win16/win32 output (?) */
  49
  50 static char usage[] =
  51 "Usage: widl [options...] infile.idl\n"
  52 "   -c          Generate client stub\n"
  53 "   -C file     Name of client stub file (default is infile_c.c)\n"
  54 "   -d n        Set debug level to 'n'\n"
  55 "   -D id[=val] Define preprocessor identifier id=val\n"
  56 "   -E          Preprocess only\n"
  57 "   -h          Generate headers\n"
  58 "   -H file     Name of header file (default is infile.h)\n"
  59 "   -I path     Set include search dir to path (multiple -I allowed)\n"
  60 "   -N          Do not preprocess input\n"
  61 "   -p          Generate proxy\n"
  62 "   -P file     Name of proxy file (default is infile_p.c)\n"
  63 "   -s          Generate server stub\n"
  64 "   -S file     Name of server stub file (default is infile_s.c)\n"
  65 "   -t          Generate typelib\n"
  66 "   -T file     Name of typelib file (default is infile.tlb)\n"
  67 "   -V          Print version and exit\n"
  68 "   -W          Enable pedantic warnings\n"
  69 "Debug level 'n' is a bitmask with following meaning:\n"
  70 "    * 0x01 Tell which resource is parsed (verbose mode)\n"
  71 "    * 0x02 Dump internal structures\n"
  72 "    * 0x04 Create a parser trace (yydebug=1)\n"
  73 "    * 0x08 Preprocessor messages\n"
  74 "    * 0x10 Preprocessor lex messages\n"
  75 "    * 0x20 Preprocessor yacc trace\n"
  76 ;
  77
  78 static const char version_string[] = "Wine IDL Compiler version " PACKAGE_VERSION "\n"
  79                         "Copyright 2002 Ove Kaaven\n";
  80
  81 int win32 = 1;
  82 int debuglevel = DEBUGLEVEL_NONE;
  83 int yy_flex_debug;
  84
  85 int pedantic = 0;
  86 static int do_everything = 1;
  87 int preprocess_only = 0;
  88 int do_header = 0;
  89 int do_typelib = 0;
  90 int do_proxies = 0;
  91 int do_client = 0;
  92 int do_server = 0;
  93 int no_preprocess = 0;
  94
  95 char *input_name;
  96 char *header_name;
  97 char *header_token;
  98 char *typelib_name;
  99 char *proxy_name;
 100 char *proxy_token;
 101 char *client_name;
 102 char *client_token;
 103 char *server_name;
 104 char *server_token;
 105 char *temp_name;
 106
 107 int line_number = 1;
 108
 109 FILE *header;
 110 FILE *proxy;
 111
 112 time_t now;
 113
 114 int getopt (int argc, char *const *argv, const char *optstring);
 115 static void rm_tempfile(void);
 116 static void segvhandler(int sig);
 117
 118 static char *make_token(const char *name)
 119 {
 120   char *token;
 121   char *slash;
 122   int i;
 123
 124   slash = strrchr(name, '/');
 125   if (slash) name = slash + 1;
 126
 127   token = xstrdup(name);
 128   for (i=0; token[i]; i++) {
 129     if (!isalnum(token[i])) token[i] = '_';
 130     else token[i] = toupper(token[i]);
 131   }
 132   return token;
 133 }
 134
 135 /* duplicate a basename into a valid C token */
 136 static char *dup_basename_token(const char *name, const char *ext)
 137 {
 138     char *p, *ret = dup_basename( name, ext );
 139     /* map invalid characters to '_' */
 140     for (p = ret; *p; p++) if (!isalnum(*p)) *p = '_';
 141     return ret;
 142 }
 143
 144 int main(int argc,char *argv[])
 145 {
 146   extern char* optarg;
 147   extern int   optind;
 148   int optc;
 149   int ret = 0;
 150
 151   signal(SIGSEGV, segvhandler);
 152
 153   now = time(NULL);
 154
 155   while((optc = getopt(argc, argv, "cC:d:D:EhH:I:NpP:sS:tT:VW")) != EOF) {
 156     switch(optc) {
 157     case 'c':
 158       do_everything = 0;
 159       do_client = 1;
 160       break;
 161     case 'C':
 162       client_name = strdup(optarg);
 163       break;
 164     case 'd':
 165       debuglevel = strtol(optarg, NULL, 0);
 166       break;
 167     case 'D':
 168       wpp_add_cmdline_define(optarg);
 169       break;
 170     case 'E':
 171       do_everything = 0;
 172       preprocess_only = 1;
 173       break;
 174     case 'h':
 175       do_everything = 0;
 176       do_header = 1;
 177       break;
 178     case 'H':
 179       header_name = strdup(optarg);
 180       break;
 181     case 'I':
 182       wpp_add_include_path(optarg);
 183       break;
 184     case 'N':
 185       no_preprocess = 1;
 186       break;
 187     case 'p':
 188       do_everything = 0;
 189       do_proxies = 1;
 190       break;
 191     case 'P':
 192       proxy_name = strdup(optarg);
 193       break;
 194     case 's':
 195       do_everything = 0;
 196       do_server = 1;
 197       break;
 198     case 'S':
 199       server_name = strdup(optarg);
 200       break;
 201     case 't':
 202       do_everything = 0;
 203       do_typelib = 1;
 204       break;
 205     case 'T':
 206       typelib_name = strdup(optarg);
 207       break;
 208     case 'V':
 209       printf(version_string);
 210       return 0;
 211     case 'W':
 212       pedantic = 1;
 213       break;
 214     default:
 215       fprintf(stderr, usage);
 216       return 1;
 217     }
 218   }
 219
 220   if(do_everything) {
 221       do_header = do_typelib = do_proxies = do_client = do_server = 1;
 222   }
 223   if(optind < argc) {
 224     input_name = xstrdup(argv[optind]);
 225   }
 226   else {
 227     fprintf(stderr, usage);
 228     return 1;
 229   }
 230
 231   if(debuglevel)
 232   {
 233     setbuf(stdout,0);
 234     setbuf(stderr,0);
 235   }
 236
 237   yydebug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 238   yy_flex_debug = debuglevel & DEBUGLEVEL_TRACE ? 1 : 0;
 239
 240   wpp_set_debug( (debuglevel & DEBUGLEVEL_PPLEX) != 0,
 241                  (debuglevel & DEBUGLEVEL_PPTRACE) != 0,
 242                  (debuglevel & DEBUGLEVEL_PPMSG) != 0 );
 243
 244   if (!header_name) {
 245     header_name = dup_basename(input_name, ".idl");
 246     strcat(header_name, ".h");
 247   }
 248
 249   if (!typelib_name && do_typelib) {
 250     typelib_name = dup_basename(input_name, ".idl");
 251     strcat(typelib_name, ".tlb");
 252   }
 253
 254   if (!proxy_name && do_proxies) {
 255     proxy_name = dup_basename(input_name, ".idl");
 256     strcat(proxy_name, "_p.c");
 257   }
 258
 259   if (!client_name && do_client) {
 260     client_name = dup_basename(input_name, ".idl");
 261     strcat(client_name, "_c.c");
 262   }
 263
 264   if (!server_name && do_server) {
 265     server_name = dup_basename(input_name, ".idl");
 266     strcat(server_name, "_s.c");
 267   }
 268
 269   if (do_proxies) proxy_token = dup_basename_token(proxy_name,"_p.c");
 270   if (do_client) client_token = dup_basename_token(client_name,"_c.c");
 271   if (do_server) server_token = dup_basename_token(server_name,"_s.c");
 272
 273   wpp_add_cmdline_define("__WIDL__");
 274
 275   atexit(rm_tempfile);
 276   if (!no_preprocess)
 277   {
 278     chat("Starting preprocess\n");
 279
 280     if (!preprocess_only)
 281     {
 282         ret = wpp_parse_temp( input_name, header_name, &temp_name );
 283     }
 284     else
 285     {
 286         ret = wpp_parse( input_name, stdout );
 287     }
 288
 289     if(ret) exit(1);
 290     if(preprocess_only) exit(0);
 291     if(!(yyin = fopen(temp_name, "r"))) {
 292       fprintf(stderr, "Could not open %s for input\n", temp_name);
 293       return 1;
 294     }
 295   }
 296   else {
 297     if(!(yyin = fopen(input_name, "r"))) {
 298       fprintf(stderr, "Could not open %s for input\n", input_name);
 299       return 1;
 300     }
 301   }
 302
 303   if(do_header) {
 304     header_token = make_token(header_name);
 305
 306     if(!(header = fopen(header_name, "w"))) {
 307       fprintf(stderr, "Could not open %s for output\n", header_name);
 308       return 1;
 309     }
 310     fprintf(header, "/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
 311     fprintf(header, "#include <rpc.h>\n" );
 312     fprintf(header, "#include <rpcndr.h>\n\n" );
 313     fprintf(header, "#ifndef __WIDL_%s\n", header_token);
 314     fprintf(header, "#define __WIDL_%s\n", header_token);
 315     fprintf(header, "#ifdef __cplusplus\n");
 316     fprintf(header, "extern \"C\" {\n");
 317     fprintf(header, "#endif\n");
 318   }
 319
 320   ret = yyparse();
 321
 322   if(do_header) {
 323     fprintf(header, "/* Begin additional prototypes for all interfaces */\n");
 324     fprintf(header, "\n");
 325     write_user_types();
 326     fprintf(header, "\n");
 327     fprintf(header, "/* End additional prototypes */\n");
 328     fprintf(header, "\n");
 329     fprintf(header, "#ifdef __cplusplus\n");
 330     fprintf(header, "}\n");
 331     fprintf(header, "#endif\n");
 332     fprintf(header, "#endif /* __WIDL_%s */\n", header_token);
 333     fclose(header);
 334   }
 335
 336   fclose(yyin);
 337
 338   if(ret) {
 339     exit(1);
 340   }
 341   header_name = NULL;
 342   client_name = NULL;
 343   server_name = NULL;
 344   return 0;
 345 }
 346
 347 static void rm_tempfile(void)
 348 {
 349   abort_import();
 350   if(temp_name)
 351     unlink(temp_name);
 352   if (header_name)
 353     unlink(header_name);
 354   if (client_name)
 355     unlink(client_name);
 356   if (server_name)
 357     unlink(server_name);
 358 }
 359
 360 static void segvhandler(int sig)
 361 {
 362   fprintf(stderr, "\n%s:%d: Oops, segment violation\n", input_name, line_number);
 363   fflush(stdout);
 364   fflush(stderr);
 365   abort();
 366 }