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 3957 2005-12-20 23:09:36Z twisti $
  34
  35 */
  36
  37
  38 #include "config.h"
  39
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43
  44 #include "vm/types.h"
  45
  46 #include "cacaoh/headers.h"
  47 #include "mm/boehm.h"
  48 #include "mm/memory.h"
  49 #include "native/include/java_lang_Throwable.h"
  50
  51 #if defined(USE_THREADS)
  52 # if defined(NATIVE_THREADS)
  53 #  include "threads/native/threads.h"
  54 # else
  55 #  include "threads/green/threads.h"
  56 # endif
  57 #endif
  58
  59 #include "toolbox/logging.h"
  60 #include "vm/classcache.h"
  61 #include "vm/exceptions.h"
  62 #include "vm/global.h"
  63 #include "vm/hashtable.h"
  64 #include "vm/loader.h"
  65 #include "vm/options.h"
  66 #include "vm/statistics.h"
  67 #include "vm/stringlocal.h"
  68 #include "vm/suck.h"
  69
  70
  71 /* define heap sizes **********************************************************/
  72
  73 #define HEAP_MAXSIZE      2 * 1024 * 1024;  /* default 2MB                    */
  74 #define HEAP_STARTSIZE    100 * 1024;       /* default 100kB                  */
  75
  76
  77 /* define cacaoh options ******************************************************/
  78
  79 enum {
  80         OPT_HELP,
  81         OPT_VERSION,
  82         OPT_VERBOSE,
  83         OPT_DIRECTORY,
  84         OPT_CLASSPATH,
  85         OPT_BOOTCLASSPATH,
  86
  87         DUMMY
  88 };
  89
  90
  91 opt_struct opts[] = {
  92         { "help",             false, OPT_HELP          },
  93         { "version",          false, OPT_VERSION       },
  94         { "verbose",          false, OPT_VERBOSE       },
  95         { "d",                true,  OPT_DIRECTORY     },
  96         { "classpath",        true,  OPT_CLASSPATH     },
  97         { "bootclasspath",    true,  OPT_BOOTCLASSPATH },
  98         { NULL,               false, 0                 }
  99 };
 100
 101
 102 /* usage ***********************************************************************
 103
 104    Obviously prints usage information of cacaoh.
 105
 106 *******************************************************************************/
 107
 108 static void usage(void)
 109 {
 110         printf("Usage: cacaoh [options] <classes>\n"
 111                    "\n"
 112                    "Options:\n"
 113                    "    -help                 Print this message\n"
 114                    "    -classpath <path>     \n"
 115                    "    -bootclasspath <path> \n"
 116                    "    -d <dir>              Output directory\n"
 117                    "    -version              Print version information\n"
 118                    "    -verbose              Enable verbose output\n");
 119
 120         /* exit with error code */
 121
 122         exit(1);
 123 }
 124
 125
 126 /* version *********************************************************************
 127
 128    Prints cacaoh version information.
 129
 130 *******************************************************************************/
 131
 132 static void version(void)
 133 {
 134         printf("cacaoh version "VERSION"\n");
 135         printf("Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,\n");
 136         printf("R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,\n");
 137         printf("C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,\n");
 138         printf("Institut f. Computersprachen - TU Wien\n\n");
 139
 140         printf("This program is free software; you can redistribute it and/or\n");
 141         printf("modify it under the terms of the GNU General Public License as\n");
 142         printf("published by the Free Software Foundation; either version 2, or (at\n");
 143         printf("your option) any later version.\n\n");
 144
 145         printf("This program is distributed in the hope that it will be useful, but\n");
 146         printf("WITHOUT ANY WARRANTY; without even the implied warranty of\n");
 147         printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n");
 148         printf("General Public License for more details.\n");
 149
 150         exit(0);
 151 }
 152
 153
 154 /* main ************************************************************************
 155
 156    Main program.
 157
 158 *******************************************************************************/
 159
 160 int main(int argc, char **argv)
 161 {
 162         s4 i, a;
 163         classinfo *c;
 164         char *opt_directory;
 165         void *dummy;
 166
 167         /********** internal (only used by main) *****************************/
 168
 169         char *bootclasspath;
 170         char *classpath;
 171         char *cp;
 172         s4    cplen;
 173         u4    heapmaxsize;
 174         u4    heapstartsize;
 175
 176         if (argc < 2)
 177                 usage();
 178
 179
 180         /* set the bootclasspath */
 181
 182         cp = getenv("BOOTCLASSPATH");
 183         if (cp) {
 184                 bootclasspath = MNEW(char, strlen(cp) + strlen("0"));
 185                 strcpy(bootclasspath, cp);
 186
 187         } else {
 188                 cplen = strlen(CACAO_INSTALL_PREFIX) +
 189                         strlen(CACAO_VM_ZIP_PATH) +
 190                         strlen(":") +
 191                         strlen(CLASSPATH_INSTALL_DIR) +
 192                         strlen(CLASSPATH_GLIBJ_ZIP_PATH) +
 193                         strlen("0");
 194
 195                 bootclasspath = MNEW(char, cplen);
 196                 strcpy(bootclasspath, CACAO_INSTALL_PREFIX);
 197                 strcat(bootclasspath, CACAO_VM_ZIP_PATH);
 198                 strcat(bootclasspath, ":");
 199                 strcat(bootclasspath, CLASSPATH_INSTALL_DIR);
 200                 strcat(bootclasspath, CLASSPATH_GLIBJ_ZIP_PATH);
 201         }
 202
 203
 204         /* set the classpath */
 205
 206         cp = getenv("CLASSPATH");
 207         if (cp) {
 208                 classpath = MNEW(char, strlen(cp) + strlen("0"));
 209                 strcat(classpath, cp);
 210
 211         } else {
 212                 classpath = MNEW(char, strlen(".") + strlen("0"));
 213                 strcpy(classpath, ".");
 214         }
 215
 216
 217         /* initialize options with default values */
 218
 219         opt_verbose = false;
 220         opt_directory = NULL;
 221
 222         heapmaxsize = HEAP_MAXSIZE;
 223         heapstartsize = HEAP_STARTSIZE;
 224
 225         while ((i = get_opt(argc, argv, opts)) != OPT_DONE) {
 226                 switch (i) {
 227                 case OPT_IGNORE:
 228                         break;
 229
 230                 case OPT_HELP:
 231                         usage();
 232                         break;
 233
 234                 case OPT_CLASSPATH:
 235                         /* forget old classpath and set the argument as new classpath */
 236                         MFREE(classpath, char, strlen(classpath));
 237
 238                         classpath = MNEW(char, strlen(opt_arg) + strlen("0"));
 239                         strcpy(classpath, opt_arg);
 240                         break;
 241
 242                 case OPT_BOOTCLASSPATH:
 243                         /* Forget default bootclasspath and set the argument as new boot  */
 244                         /* classpath.                                                     */
 245                         MFREE(bootclasspath, char, strlen(bootclasspath));
 246
 247                         bootclasspath = MNEW(char, strlen(opt_arg) + strlen("0"));
 248                         strcpy(bootclasspath, opt_arg);
 249                         break;
 250
 251                 case OPT_DIRECTORY:
 252                         opt_directory = MNEW(char, strlen(opt_arg) + strlen("0"));
 253                         strcpy(opt_directory, opt_arg);
 254                         break;
 255
 256                 case OPT_VERSION:
 257                         version();
 258                         break;
 259
 260                 case OPT_VERBOSE:
 261                         opt_verbose = true;
 262                         loadverbose = true;
 263                         linkverbose = true;
 264                         break;
 265
 266                 default:
 267                         usage();
 268                 }
 269         }
 270
 271         /**************************** Program start **************************/
 272
 273         if (opt_verbose) {
 274                 log_init(NULL);
 275                 log_text("Java - header-generator started");
 276         }
 277
 278         /* initialize the garbage collector */
 279
 280         gc_init(heapmaxsize, heapstartsize);
 281
 282 #if defined(USE_THREADS)
 283 #if defined(NATIVE_THREADS)
 284         threads_preinit();
 285 #endif
 286         initLocks();
 287 #endif
 288
 289         /* initialize the utf8 hashtable stuff: lock, often used utf8 strings
 290            (must be done _after_ threads_preinit) */
 291
 292         if (!utf8_init())
 293                 throw_main_exception_exit();
 294
 295         /* initialize the classcache hashtable stuff: lock, hashtable
 296            (must be done _after_ threads_preinit) */
 297
 298         if (!classcache_init())
 299                 throw_main_exception_exit();
 300
 301         /* initialize the loader with bootclasspath (must be done _after_
 302            thread_preinit) */
 303
 304         suck_init();
 305
 306         suck_add(bootclasspath);
 307
 308         /* Also add the normal classpath, so the bootstrap class loader can find  */
 309         /* the files.                                                             */
 310
 311         suck_add(classpath);
 312
 313         /* initialize the loader subsystems (must be done _after_
 314        classcache_init) */
 315
 316         if (!loader_init((u1 *) &dummy))
 317                 throw_main_exception_exit();
 318
 319
 320         /*********************** Load JAVA classes  **************************/
 321
 322         nativemethod_chain = chain_new();
 323         nativeclass_chain = chain_new();
 324
 325         for (a = opt_ind; a < argc; a++) {
 326                 cp = argv[a];
 327
 328                 /* convert classname */
 329
 330                 for (i = strlen(cp) - 1; i >= 0; i--) {
 331                         switch (cp[i]) {
 332                         case '.': cp[i] = '/';
 333                                 break;
 334                         case '_': cp[i] = '$';
 335                         }
 336                 }
 337
 338                 /* exceptions are catched with new_exception call */
 339
 340                 if (!(c = load_class_bootstrap(utf_new_char(cp))))
 341                         throw_cacao_exception_exit(string_java_lang_NoClassDefFoundError,
 342                                                                            cp);
 343
 344                 if (!link_class(c))
 345                         throw_cacao_exception_exit(string_java_lang_LinkageError,
 346                                                                            cp);
 347
 348                 headerfile_generate(c, opt_directory);
 349         }
 350
 351         /************************ Release all resources **********************/
 352
 353         loader_close();
 354
 355         if (opt_verbose) {
 356                 log_text("Java - header-generator stopped");
 357 #if defined(ENABLE_STATISTICS)
 358                 mem_usagelog(true);
 359 #endif
 360         }
 361
 362         return 0;
 363 }
 364
 365
 366 /*
 367  * These are local overrides for various environment variables in Emacs.
 368  * Please do not remove this and leave it at the end of the file, where
 369  * Emacs will automagically detect them.
 370  * ---------------------------------------------------------------------
 371  * Local variables:
 372  * mode: c
 373  * indent-tabs-mode: t
 374  * c-basic-offset: 4
 375  * tab-width: 4
 376  * End:
 377  */