src/cacaoh/cacaoh.c

   1 /* src/cacaoh/cacaoh.c - main for header generation (cacaoh)
   2
   3    Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
   4    R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
   5    C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
   6    Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  23    02111-1307, USA.
  24
  25    Contact: cacao@complang.tuwien.ac.at
  26
  27    Authors: Reinhard Grafl
  28
  29    Changes: Mark Probst
  30             Philipp Tomsich
  31             Christian Thalinger
  32
  33    $Id: cacaoh.c 3548 2005-11-03 20:39:46Z twisti $
  34
  35 */
  36
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41
  42 #include "config.h"
  43 #include "vm/types.h"
  44
  45 #include "cacaoh/headers.h"
  46 #include "mm/boehm.h"
  47 #include "mm/memory.h"
  48 #include "native/include/java_lang_Throwable.h"
  49
  50 #if defined(USE_THREADS)
  51 # if defined(NATIVE_THREADS)
  52 #  include "threads/native/threads.h"
  53 # else
  54 #  include "threads/green/threads.h"
  55 # endif
  56 #endif
  57
  58 #include "toolbox/logging.h"
  59 #include "vm/exceptions.h"
  60 #include "vm/global.h"
  61 #include "vm/loader.h"
  62 #include "vm/options.h"
  63 #include "vm/statistics.h"
  64 #include "vm/stringlocal.h"
  65 #include "vm/tables.h"
  66
  67
  68 /* define heap sizes **********************************************************/
  69
  70 #define HEAP_MAXSIZE      2 * 1024 * 1024;  /* default 2MB                    */
  71 #define HEAP_STARTSIZE    100 * 1024;       /* default 100kB                  */
  72
  73
  74 /* define cacaoh options ******************************************************/
  75
  76 #define OPT_HELP          2
  77 #define OPT_VERSION       3
  78 #define OPT_VERBOSE       4
  79 #define OPT_DIRECTORY     5
  80 #define OPT_CLASSPATH     6
  81 #define OPT_BOOTCLASSPATH 7
  82
  83 opt_struct opts[] = {
  84         { "help",             false, OPT_HELP          },
  85         { "version",          false, OPT_VERSION       },
  86         { "verbose",          false, OPT_VERBOSE       },
  87         { "d",                true,  OPT_DIRECTORY     },
  88         { "classpath",        true,  OPT_CLASSPATH     },
  89         { "bootclasspath",    true,  OPT_BOOTCLASSPATH },
  90         { NULL,               false, 0                 }
  91 };
  92
  93
  94 /* usage ***********************************************************************
  95
  96    Obviously prints usage information of cacaoh.
  97
  98 *******************************************************************************/
  99
 100 static void usage(void)
 101 {
 102         printf("Usage: cacaoh [options] <classes>\n"
 103                    "\n"
 104                    "Options:\n"
 105                    "    -help                 Print this message\n"
 106                    "    -classpath <path>     \n"
 107                    "    -bootclasspath <path> \n"
 108                    "    -d <dir>              Output directory\n"
 109                    "    -version              Print version information\n"
 110                    "    -verbose              Enable verbose output\n");
 111
 112         /* exit with error code */
 113
 114         exit(1);
 115 }
 116
 117
 118 /* version *********************************************************************
 119
 120    Prints cacaoh version information.
 121
 122 *******************************************************************************/
 123
 124 static void version(void)
 125 {
 126         printf("cacaoh version "VERSION"\n");
 127         printf("Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,\n");
 128         printf("R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,\n");
 129         printf("C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,\n");
 130         printf("Institut f. Computersprachen - TU Wien\n\n");
 131
 132         printf("This program is free software; you can redistribute it and/or\n");
 133         printf("modify it under the terms of the GNU General Public License as\n");
 134         printf("published by the Free Software Foundation; either version 2, or (at\n");
 135         printf("your option) any later version.\n\n");
 136
 137         printf("This program is distributed in the hope that it will be useful, but\n");
 138         printf("WITHOUT ANY WARRANTY; without even the implied warranty of\n");
 139         printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n");
 140         printf("General Public License for more details.\n");
 141
 142         exit(0);
 143 }
 144
 145
 146 /* main ************************************************************************
 147
 148    Main program.
 149
 150 *******************************************************************************/
 151
 152 int main(int argc, char **argv)
 153 {
 154         s4 i, a;
 155         classinfo *c;
 156         char *opt_directory;
 157         void *dummy;
 158
 159         /********** internal (only used by main) *****************************/
 160
 161         char *bootclasspath;
 162         char *classpath;
 163         char *cp;
 164         s4    cplen;
 165         u4    heapmaxsize;
 166         u4    heapstartsize;
 167
 168         if (argc < 2)
 169                 usage();
 170
 171
 172         /* set the bootclasspath */
 173
 174         cp = getenv("BOOTCLASSPATH");
 175         if (cp) {
 176                 bootclasspath = MNEW(char, strlen(cp) + strlen("0"));
 177                 strcpy(bootclasspath, cp);
 178
 179         } else {
 180                 cplen = strlen(CACAO_INSTALL_PREFIX) +
 181                         strlen(CACAO_VM_ZIP_PATH) +
 182                         strlen(":") +
 183                         strlen(CLASSPATH_INSTALL_DIR) +
 184                         strlen(CLASSPATH_GLIBJ_ZIP_PATH) +
 185                         strlen("0");
 186
 187                 bootclasspath = MNEW(char, cplen);
 188                 strcpy(bootclasspath, CACAO_INSTALL_PREFIX);
 189                 strcat(bootclasspath, CACAO_VM_ZIP_PATH);
 190                 strcat(bootclasspath, ":");
 191                 strcat(bootclasspath, CLASSPATH_INSTALL_DIR);
 192                 strcat(bootclasspath, CLASSPATH_GLIBJ_ZIP_PATH);
 193         }
 194
 195
 196         /* set the classpath */
 197
 198         cp = getenv("CLASSPATH");
 199         if (cp) {
 200                 classpath = MNEW(char, strlen(cp) + strlen("0"));
 201                 strcat(classpath, cp);
 202
 203         } else {
 204                 classpath = MNEW(char, strlen(".") + strlen("0"));
 205                 strcpy(classpath, ".");
 206         }
 207
 208
 209         /* initialize options with default values */
 210
 211         opt_verbose = false;
 212         opt_directory = NULL;
 213
 214         heapmaxsize = HEAP_MAXSIZE;
 215         heapstartsize = HEAP_STARTSIZE;
 216
 217         while ((i = get_opt(argc, argv, opts)) != OPT_DONE) {
 218                 switch (i) {
 219                 case OPT_IGNORE:
 220                         break;
 221
 222                 case OPT_HELP:
 223                         usage();
 224                         break;
 225
 226                 case OPT_CLASSPATH:
 227                         /* forget old classpath and set the argument as new classpath */
 228                         MFREE(classpath, char, strlen(classpath));
 229
 230                         classpath = MNEW(char, strlen(opt_arg) + strlen("0"));
 231                         strcpy(classpath, opt_arg);
 232                         break;
 233
 234                 case OPT_BOOTCLASSPATH:
 235                         /* Forget default bootclasspath and set the argument as new boot  */
 236                         /* classpath.                                                     */
 237                         MFREE(bootclasspath, char, strlen(bootclasspath));
 238
 239                         bootclasspath = MNEW(char, strlen(opt_arg) + strlen("0"));
 240                         strcpy(bootclasspath, opt_arg);
 241                         break;
 242
 243                 case OPT_DIRECTORY:
 244                         opt_directory = MNEW(char, strlen(opt_arg) + strlen("0"));
 245                         strcpy(opt_directory, opt_arg);
 246                         break;
 247
 248                 case OPT_VERSION:
 249                         version();
 250                         break;
 251
 252                 case OPT_VERBOSE:
 253                         opt_verbose = true;
 254                         loadverbose = true;
 255                         linkverbose = true;
 256                         break;
 257
 258                 default:
 259                         usage();
 260                 }
 261         }
 262
 263         /**************************** Program start **************************/
 264
 265         if (opt_verbose) {
 266                 log_init(NULL);
 267                 log_text("Java - header-generator started");
 268         }
 269
 270         /* initialize the garbage collector */
 271
 272         gc_init(heapmaxsize, heapstartsize);
 273
 274         tables_init();
 275
 276         /* initialize the loader with bootclasspath */
 277
 278         suck_init(bootclasspath);
 279
 280         /* Also add the normal classpath, so the bootstrap class loader can find  */
 281         /* the files.                                                             */
 282
 283         suck_init(classpath);
 284
 285 #if defined(USE_THREADS)
 286 #if defined(NATIVE_THREADS)
 287         threads_preinit();
 288 #endif
 289         initLocks();
 290 #endif
 291
 292         /* initialize some cacao subsystems */
 293
 294         utf8_init();
 295         loader_init((u1 *) &dummy);
 296
 297
 298         /*********************** Load JAVA classes  **************************/
 299
 300         nativemethod_chain = chain_new();
 301         nativeclass_chain = chain_new();
 302
 303         for (a = opt_ind; a < argc; a++) {
 304                 cp = argv[a];
 305
 306                 /* convert classname */
 307
 308                 for (i = strlen(cp) - 1; i >= 0; i--) {
 309                         switch (cp[i]) {
 310                         case '.': cp[i] = '/';
 311                                 break;
 312                         case '_': cp[i] = '$';
 313                         }
 314                 }
 315
 316                 /* exceptions are catched with new_exception call */
 317
 318                 if (!(c = load_class_bootstrap(utf_new_char(cp))))
 319                         throw_cacao_exception_exit(string_java_lang_NoClassDefFoundError,
 320                                                                            cp);
 321
 322                 if (!link_class(c))
 323                         throw_cacao_exception_exit(string_java_lang_LinkageError,
 324                                                                            cp);
 325
 326                 headerfile_generate(c, opt_directory);
 327         }
 328
 329         /************************ Release all resources **********************/
 330
 331         loader_close();
 332         tables_close();
 333
 334         if (opt_verbose) {
 335                 log_text("Java - header-generator stopped");
 336 #if defined(STATISTICS)
 337                 mem_usagelog(true);
 338 #endif
 339         }
 340
 341         return 0;
 342 }
 343
 344
 345 /*
 346  * These are local overrides for various environment variables in Emacs.
 347  * Please do not remove this and leave it at the end of the file, where
 348  * Emacs will automagically detect them.
 349  * ---------------------------------------------------------------------
 350  * Local variables:
 351  * mode: c
 352  * indent-tabs-mode: t
 353  * c-basic-offset: 4
 354  * tab-width: 4
 355  * End:
 356  */