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 3216 2005-09-19 13:07:54Z 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) + strlen(CACAO_RT_JAR_PATH) +
 181                         strlen("0");
 182
 183                 bootclasspath = MNEW(char, cplen);
 184                 strcpy(bootclasspath, CACAO_INSTALL_PREFIX);
 185                 strcat(bootclasspath, CACAO_RT_JAR_PATH);
 186         }
 187
 188
 189         /* set the classpath */
 190
 191         cp = getenv("CLASSPATH");
 192         if (cp) {
 193                 classpath = MNEW(char, strlen(cp) + strlen("0"));
 194                 strcat(classpath, cp);
 195
 196         } else {
 197                 classpath = MNEW(char, strlen(".") + strlen("0"));
 198                 strcpy(classpath, ".");
 199         }
 200
 201
 202         /* initialize options with default values */
 203
 204         opt_verbose = false;
 205         opt_directory = NULL;
 206
 207         heapmaxsize = HEAP_MAXSIZE;
 208         heapstartsize = HEAP_STARTSIZE;
 209
 210         while ((i = get_opt(argc, argv, opts)) != OPT_DONE) {
 211                 switch (i) {
 212                 case OPT_IGNORE:
 213                         break;
 214
 215                 case OPT_HELP:
 216                         usage();
 217                         break;
 218
 219                 case OPT_CLASSPATH:
 220                         /* forget old classpath and set the argument as new classpath */
 221                         MFREE(classpath, char, strlen(classpath));
 222
 223                         classpath = MNEW(char, strlen(opt_arg) + strlen("0"));
 224                         strcpy(classpath, opt_arg);
 225                         break;
 226
 227                 case OPT_BOOTCLASSPATH:
 228                         /* Forget default bootclasspath and set the argument as new boot  */
 229                         /* classpath.                                                     */
 230                         MFREE(bootclasspath, char, strlen(bootclasspath));
 231
 232                         bootclasspath = MNEW(char, strlen(opt_arg) + strlen("0"));
 233                         strcpy(bootclasspath, opt_arg);
 234                         break;
 235
 236                 case OPT_DIRECTORY:
 237                         opt_directory = MNEW(char, strlen(opt_arg) + strlen("0"));
 238                         strcpy(opt_directory, opt_arg);
 239                         break;
 240
 241                 case OPT_VERSION:
 242                         version();
 243                         break;
 244
 245                 case OPT_VERBOSE:
 246                         opt_verbose = true;
 247                         loadverbose = true;
 248                         linkverbose = true;
 249                         break;
 250
 251                 default:
 252                         usage();
 253                 }
 254         }
 255
 256         /**************************** Program start **************************/
 257
 258         if (opt_verbose) {
 259                 log_init(NULL);
 260                 log_text("Java - header-generator started");
 261         }
 262
 263         /* initialize the garbage collector */
 264
 265         gc_init(heapmaxsize, heapstartsize);
 266
 267         tables_init();
 268
 269         /* initialize the loader with bootclasspath */
 270
 271         suck_init(bootclasspath);
 272
 273         /* Also add the normal classpath, so the bootstrap class loader can find  */
 274         /* the files.                                                             */
 275
 276         suck_init(classpath);
 277
 278 #if defined(USE_THREADS)
 279 #if defined(NATIVE_THREADS)
 280         initThreadsEarly();
 281 #endif
 282         initLocks();
 283 #endif
 284
 285         /* initialize some cacao subsystems */
 286
 287         utf8_init();
 288         loader_init((u1 *) &dummy);
 289
 290
 291         /*********************** Load JAVA classes  **************************/
 292
 293         nativemethod_chain = chain_new();
 294         nativeclass_chain = chain_new();
 295
 296         for (a = opt_ind; a < argc; a++) {
 297                 cp = argv[a];
 298
 299                 /* convert classname */
 300
 301                 for (i = strlen(cp) - 1; i >= 0; i--) {
 302                         switch (cp[i]) {
 303                         case '.': cp[i] = '/';
 304                                 break;
 305                         case '_': cp[i] = '$';
 306                         }
 307                 }
 308
 309                 /* exceptions are catched with new_exception call */
 310
 311                 if (!(c = load_class_bootstrap(utf_new_char(cp))))
 312                         throw_cacao_exception_exit(string_java_lang_NoClassDefFoundError,
 313                                                                            cp);
 314
 315                 if (!link_class(c))
 316                         throw_cacao_exception_exit(string_java_lang_LinkageError,
 317                                                                            cp);
 318
 319                 headerfile_generate(c, opt_directory);
 320         }
 321
 322         /************************ Release all resources **********************/
 323
 324         loader_close();
 325         tables_close();
 326
 327         if (opt_verbose) {
 328                 log_text("Java - header-generator stopped");
 329 #if defined(STATISTICS)
 330                 mem_usagelog(true);
 331 #endif
 332         }
 333
 334         return 0;
 335 }
 336
 337
 338 /*
 339  * These are local overrides for various environment variables in Emacs.
 340  * Please do not remove this and leave it at the end of the file, where
 341  * Emacs will automagically detect them.
 342  * ---------------------------------------------------------------------
 343  * Local variables:
 344  * mode: c
 345  * indent-tabs-mode: t
 346  * c-basic-offset: 4
 347  * tab-width: 4
 348  * End:
 349  */