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 3827 2005-12-01 19:38:20Z 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/classcache.h"
  60 #include "vm/exceptions.h"
  61 #include "vm/global.h"
  62 #include "vm/hashtable.h"
  63 #include "vm/loader.h"
  64 #include "vm/options.h"
  65 #include "vm/statistics.h"
  66 #include "vm/stringlocal.h"
  67 #include "vm/suck.h"
  68
  69
  70 /* define heap sizes **********************************************************/
  71
  72 #define HEAP_MAXSIZE      2 * 1024 * 1024;  /* default 2MB                    */
  73 #define HEAP_STARTSIZE    100 * 1024;       /* default 100kB                  */
  74
  75
  76 /* define cacaoh options ******************************************************/
  77
  78 #define OPT_HELP          2
  79 #define OPT_VERSION       3
  80 #define OPT_VERBOSE       4
  81 #define OPT_DIRECTORY     5
  82 #define OPT_CLASSPATH     6
  83 #define OPT_BOOTCLASSPATH 7
  84
  85 opt_struct opts[] = {
  86         { "help",             false, OPT_HELP          },
  87         { "version",          false, OPT_VERSION       },
  88         { "verbose",          false, OPT_VERBOSE       },
  89         { "d",                true,  OPT_DIRECTORY     },
  90         { "classpath",        true,  OPT_CLASSPATH     },
  91         { "bootclasspath",    true,  OPT_BOOTCLASSPATH },
  92         { NULL,               false, 0                 }
  93 };
  94
  95
  96 /* usage ***********************************************************************
  97
  98    Obviously prints usage information of cacaoh.
  99
 100 *******************************************************************************/
 101
 102 static void usage(void)
 103 {
 104         printf("Usage: cacaoh [options] <classes>\n"
 105                    "\n"
 106                    "Options:\n"
 107                    "    -help                 Print this message\n"
 108                    "    -classpath <path>     \n"
 109                    "    -bootclasspath <path> \n"
 110                    "    -d <dir>              Output directory\n"
 111                    "    -version              Print version information\n"
 112                    "    -verbose              Enable verbose output\n");
 113
 114         /* exit with error code */
 115
 116         exit(1);
 117 }
 118
 119
 120 /* version *********************************************************************
 121
 122    Prints cacaoh version information.
 123
 124 *******************************************************************************/
 125
 126 static void version(void)
 127 {
 128         printf("cacaoh version "VERSION"\n");
 129         printf("Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,\n");
 130         printf("R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,\n");
 131         printf("C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,\n");
 132         printf("Institut f. Computersprachen - TU Wien\n\n");
 133
 134         printf("This program is free software; you can redistribute it and/or\n");
 135         printf("modify it under the terms of the GNU General Public License as\n");
 136         printf("published by the Free Software Foundation; either version 2, or (at\n");
 137         printf("your option) any later version.\n\n");
 138
 139         printf("This program is distributed in the hope that it will be useful, but\n");
 140         printf("WITHOUT ANY WARRANTY; without even the implied warranty of\n");
 141         printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n");
 142         printf("General Public License for more details.\n");
 143
 144         exit(0);
 145 }
 146
 147
 148 /* main ************************************************************************
 149
 150    Main program.
 151
 152 *******************************************************************************/
 153
 154 int main(int argc, char **argv)
 155 {
 156         s4 i, a;
 157         classinfo *c;
 158         char *opt_directory;
 159         void *dummy;
 160
 161         /********** internal (only used by main) *****************************/
 162
 163         char *bootclasspath;
 164         char *classpath;
 165         char *cp;
 166         s4    cplen;
 167         u4    heapmaxsize;
 168         u4    heapstartsize;
 169
 170         if (argc < 2)
 171                 usage();
 172
 173
 174         /* set the bootclasspath */
 175
 176         cp = getenv("BOOTCLASSPATH");
 177         if (cp) {
 178                 bootclasspath = MNEW(char, strlen(cp) + strlen("0"));
 179                 strcpy(bootclasspath, cp);
 180
 181         } else {
 182                 cplen = strlen(CACAO_INSTALL_PREFIX) +
 183                         strlen(CACAO_VM_ZIP_PATH) +
 184                         strlen(":") +
 185                         strlen(CLASSPATH_INSTALL_DIR) +
 186                         strlen(CLASSPATH_GLIBJ_ZIP_PATH) +
 187                         strlen("0");
 188
 189                 bootclasspath = MNEW(char, cplen);
 190                 strcpy(bootclasspath, CACAO_INSTALL_PREFIX);
 191                 strcat(bootclasspath, CACAO_VM_ZIP_PATH);
 192                 strcat(bootclasspath, ":");
 193                 strcat(bootclasspath, CLASSPATH_INSTALL_DIR);
 194                 strcat(bootclasspath, CLASSPATH_GLIBJ_ZIP_PATH);
 195         }
 196
 197
 198         /* set the classpath */
 199
 200         cp = getenv("CLASSPATH");
 201         if (cp) {
 202                 classpath = MNEW(char, strlen(cp) + strlen("0"));
 203                 strcat(classpath, cp);
 204
 205         } else {
 206                 classpath = MNEW(char, strlen(".") + strlen("0"));
 207                 strcpy(classpath, ".");
 208         }
 209
 210
 211         /* initialize options with default values */
 212
 213         opt_verbose = false;
 214         opt_directory = NULL;
 215
 216         heapmaxsize = HEAP_MAXSIZE;
 217         heapstartsize = HEAP_STARTSIZE;
 218
 219         while ((i = get_opt(argc, argv, opts)) != OPT_DONE) {
 220                 switch (i) {
 221                 case OPT_IGNORE:
 222                         break;
 223
 224                 case OPT_HELP:
 225                         usage();
 226                         break;
 227
 228                 case OPT_CLASSPATH:
 229                         /* forget old classpath and set the argument as new classpath */
 230                         MFREE(classpath, char, strlen(classpath));
 231
 232                         classpath = MNEW(char, strlen(opt_arg) + strlen("0"));
 233                         strcpy(classpath, opt_arg);
 234                         break;
 235
 236                 case OPT_BOOTCLASSPATH:
 237                         /* Forget default bootclasspath and set the argument as new boot  */
 238                         /* classpath.                                                     */
 239                         MFREE(bootclasspath, char, strlen(bootclasspath));
 240
 241                         bootclasspath = MNEW(char, strlen(opt_arg) + strlen("0"));
 242                         strcpy(bootclasspath, opt_arg);
 243                         break;
 244
 245                 case OPT_DIRECTORY:
 246                         opt_directory = MNEW(char, strlen(opt_arg) + strlen("0"));
 247                         strcpy(opt_directory, opt_arg);
 248                         break;
 249
 250                 case OPT_VERSION:
 251                         version();
 252                         break;
 253
 254                 case OPT_VERBOSE:
 255                         opt_verbose = true;
 256                         loadverbose = true;
 257                         linkverbose = true;
 258                         break;
 259
 260                 default:
 261                         usage();
 262                 }
 263         }
 264
 265         /**************************** Program start **************************/
 266
 267         if (opt_verbose) {
 268                 log_init(NULL);
 269                 log_text("Java - header-generator started");
 270         }
 271
 272         /* initialize the garbage collector */
 273
 274         gc_init(heapmaxsize, heapstartsize);
 275
 276 #if defined(USE_THREADS)
 277 #if defined(NATIVE_THREADS)
 278         threads_preinit();
 279 #endif
 280         initLocks();
 281 #endif
 282
 283         /* initialize the utf8 hashtable stuff: lock, often used utf8 strings
 284            (must be done _after_ threads_preinit) */
 285
 286         if (!utf8_init())
 287                 throw_main_exception_exit();
 288
 289         /* initialize the classcache hashtable stuff: lock, hashtable
 290            (must be done _after_ threads_preinit) */
 291
 292         if (!classcache_init())
 293                 throw_main_exception_exit();
 294
 295         /* initialize the loader with bootclasspath (must be done _after_
 296            thread_preinit) */
 297
 298         suck_init(bootclasspath);
 299
 300         /* Also add the normal classpath, so the bootstrap class loader can find  */
 301         /* the files.                                                             */
 302
 303         suck_init(classpath);
 304
 305         /* initialize the loader subsystems (must be done _after_ classcache_init) */
 306
 307         if (!loader_init((u1 *) &dummy))
 308                 throw_main_exception_exit();
 309
 310
 311         /*********************** Load JAVA classes  **************************/
 312
 313         nativemethod_chain = chain_new();
 314         nativeclass_chain = chain_new();
 315
 316         for (a = opt_ind; a < argc; a++) {
 317                 cp = argv[a];
 318
 319                 /* convert classname */
 320
 321                 for (i = strlen(cp) - 1; i >= 0; i--) {
 322                         switch (cp[i]) {
 323                         case '.': cp[i] = '/';
 324                                 break;
 325                         case '_': cp[i] = '$';
 326                         }
 327                 }
 328
 329                 /* exceptions are catched with new_exception call */
 330
 331                 if (!(c = load_class_bootstrap(utf_new_char(cp))))
 332                         throw_cacao_exception_exit(string_java_lang_NoClassDefFoundError,
 333                                                                            cp);
 334
 335                 if (!link_class(c))
 336                         throw_cacao_exception_exit(string_java_lang_LinkageError,
 337                                                                            cp);
 338
 339                 headerfile_generate(c, opt_directory);
 340         }
 341
 342         /************************ Release all resources **********************/
 343
 344         loader_close();
 345
 346         if (opt_verbose) {
 347                 log_text("Java - header-generator stopped");
 348 #if defined(STATISTICS)
 349                 mem_usagelog(true);
 350 #endif
 351         }
 352
 353         return 0;
 354 }
 355
 356
 357 /*
 358  * These are local overrides for various environment variables in Emacs.
 359  * Please do not remove this and leave it at the end of the file, where
 360  * Emacs will automagically detect them.
 361  * ---------------------------------------------------------------------
 362  * Local variables:
 363  * mode: c
 364  * indent-tabs-mode: t
 365  * c-basic-offset: 4
 366  * tab-width: 4
 367  * End:
 368  */