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 2879 2005-06-30 09:58:38Z twisti $
  34
  35 */
  36
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41
  42 #include "config.h"
  43 #include "types.h"
  44 #include "cacaoh/headers.h"
  45 #include "mm/boehm.h"
  46 #include "mm/memory.h"
  47 #include "native/include/java_lang_Throwable.h"
  48
  49 #if defined(USE_THREADS)
  50 # if defined(NATIVE_THREADS)
  51 #  include "threads/native/threads.h"
  52 # else
  53 #  include "threads/green/threads.h"
  54 # endif
  55 #endif
  56
  57 #include "toolbox/logging.h"
  58 #include "vm/exceptions.h"
  59 #include "vm/global.h"
  60 #include "vm/loader.h"
  61 #include "vm/options.h"
  62 #include "vm/statistics.h"
  63 #include "vm/stringlocal.h"
  64 #include "vm/tables.h"
  65
  66
  67 /* define heap sizes **********************************************************/
  68
  69 #define HEAP_MAXSIZE      2 * 1024 * 1024;  /* default 2MB                    */
  70 #define HEAP_STARTSIZE    100 * 1024;       /* default 100kB                  */
  71
  72
  73 /* define cacaoh options ******************************************************/
  74
  75 #define OPT_HELP          2
  76 #define OPT_VERSION       3
  77 #define OPT_VERBOSE       4
  78 #define OPT_DIRECTORY     5
  79 #define OPT_CLASSPATH     6
  80 #define OPT_BOOTCLASSPATH 7
  81
  82 opt_struct opts[] = {
  83         { "help",             false, OPT_HELP          },
  84         { "version",          false, OPT_VERSION       },
  85         { "verbose",          false, OPT_VERBOSE       },
  86         { "d",                true,  OPT_DIRECTORY     },
  87         { "classpath",        true,  OPT_CLASSPATH     },
  88         { "bootclasspath",    true,  OPT_BOOTCLASSPATH },
  89         { NULL,               false, 0                 }
  90 };
  91
  92
  93 /* usage ***********************************************************************
  94
  95    Obviously prints usage information of cacaoh.
  96
  97 *******************************************************************************/
  98
  99 static void usage(void)
 100 {
 101         printf("Usage: cacaoh [options] <classes>\n"
 102                    "\n"
 103                    "Options:\n"
 104                    "    -help                 Print this message\n"
 105                    "    -classpath <path>     \n"
 106                    "    -bootclasspath <path> \n"
 107                    "    -d <dir>              Output directory\n"
 108                    "    -version              Print version information\n"
 109                    "    -verbose              Enable verbose output\n");
 110
 111         /* exit with error code */
 112
 113         exit(1);
 114 }
 115
 116
 117 /* version *********************************************************************
 118
 119    Prints cacaoh version information.
 120
 121 *******************************************************************************/
 122
 123 static void version(void)
 124 {
 125         printf("cacaoh version "VERSION"\n");
 126         printf("Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,\n");
 127         printf("R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,\n");
 128         printf("C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,\n");
 129         printf("Institut f. Computersprachen - TU Wien\n\n");
 130
 131         printf("This program is free software; you can redistribute it and/or\n");
 132         printf("modify it under the terms of the GNU General Public License as\n");
 133         printf("published by the Free Software Foundation; either version 2, or (at\n");
 134         printf("your option) any later version.\n\n");
 135
 136         printf("This program is distributed in the hope that it will be useful, but\n");
 137         printf("WITHOUT ANY WARRANTY; without even the implied warranty of\n");
 138         printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n");
 139         printf("General Public License for more details.\n");
 140
 141         exit(0);
 142 }
 143
 144
 145 /* main ************************************************************************
 146
 147    Main program.
 148
 149 *******************************************************************************/
 150
 151 int main(int argc, char **argv)
 152 {
 153         s4 i, a;
 154         classinfo *c;
 155         char *opt_directory;
 156         void *dummy;
 157
 158         /********** internal (only used by main) *****************************/
 159
 160         char *bootclasspath;
 161         char *classpath;
 162         char *cp;
 163         s4    cplen;
 164         u4    heapmaxsize;
 165         u4    heapstartsize;
 166
 167         if (argc < 2)
 168                 usage();
 169
 170
 171         /* set the bootclasspath */
 172
 173         cp = getenv("BOOTCLASSPATH");
 174         if (cp) {
 175                 bootclasspath = MNEW(char, strlen(cp) + strlen("0"));
 176                 strcpy(bootclasspath, cp);
 177
 178         } else {
 179                 cplen = strlen(CACAO_INSTALL_PREFIX) + strlen(CACAO_RT_JAR_PATH) +
 180                         strlen("0");
 181
 182                 bootclasspath = MNEW(char, cplen);
 183                 strcpy(bootclasspath, CACAO_INSTALL_PREFIX);
 184                 strcat(bootclasspath, CACAO_RT_JAR_PATH);
 185         }
 186
 187
 188         /* set the classpath */
 189
 190         cp = getenv("CLASSPATH");
 191         if (cp) {
 192                 classpath = MNEW(char, strlen(cp) + strlen("0"));
 193                 strcat(classpath, cp);
 194
 195         } else {
 196                 classpath = MNEW(char, strlen(".") + strlen("0"));
 197                 strcpy(classpath, ".");
 198         }
 199
 200
 201         /* initialize options with default values */
 202
 203         opt_verbose = false;
 204         opt_directory = NULL;
 205
 206         heapmaxsize = HEAP_MAXSIZE;
 207         heapstartsize = HEAP_STARTSIZE;
 208
 209         while ((i = get_opt(argc, argv, opts)) != OPT_DONE) {
 210                 switch (i) {
 211                 case OPT_IGNORE:
 212                         break;
 213
 214                 case OPT_HELP:
 215                         usage();
 216                         break;
 217
 218                 case OPT_CLASSPATH:
 219                         /* forget old classpath and set the argument as new classpath */
 220                         MFREE(classpath, char, strlen(classpath));
 221
 222                         classpath = MNEW(char, strlen(opt_arg) + strlen("0"));
 223                         strcpy(classpath, opt_arg);
 224                         break;
 225
 226                 case OPT_BOOTCLASSPATH:
 227                         /* Forget default bootclasspath and set the argument as new boot  */
 228                         /* classpath.                                                     */
 229                         MFREE(bootclasspath, char, strlen(bootclasspath));
 230
 231                         bootclasspath = MNEW(char, strlen(opt_arg) + strlen("0"));
 232                         strcpy(bootclasspath, opt_arg);
 233                         break;
 234
 235                 case OPT_DIRECTORY:
 236                         opt_directory = MNEW(char, strlen(opt_arg) + strlen("0"));
 237                         strcpy(opt_directory, opt_arg);
 238                         break;
 239
 240                 case OPT_VERSION:
 241                         version();
 242                         break;
 243
 244                 case OPT_VERBOSE:
 245                         opt_verbose = true;
 246                         loadverbose = true;
 247                         linkverbose = true;
 248                         break;
 249
 250                 default:
 251                         usage();
 252                 }
 253         }
 254
 255         /**************************** Program start **************************/
 256
 257         if (opt_verbose) {
 258                 log_init(NULL);
 259                 log_text("Java - header-generator started");
 260         }
 261
 262         /* initialize the garbage collector */
 263
 264         gc_init(heapmaxsize, heapstartsize);
 265
 266         tables_init();
 267
 268         /* initialize the loader with bootclasspath */
 269
 270         suck_init(bootclasspath);
 271
 272         /* Also add the normal classpath, so the bootstrap class loader can find  */
 273         /* the files.                                                             */
 274
 275         suck_init(classpath);
 276
 277 #if defined(USE_THREADS)
 278 #if defined(NATIVE_THREADS)
 279         initThreadsEarly();
 280 #endif
 281         initLocks();
 282 #endif
 283
 284         /* initialize some cacao subsystems */
 285
 286         utf8_init();
 287         loader_init((u1 *) &dummy);
 288
 289
 290         /*********************** Load JAVA classes  **************************/
 291
 292         nativemethod_chain = chain_new();
 293         nativeclass_chain = chain_new();
 294
 295         for (a = opt_ind; a < argc; a++) {
 296                 cp = argv[a];
 297
 298                 /* convert classname */
 299
 300                 for (i = strlen(cp) - 1; i >= 0; i--) {
 301                         switch (cp[i]) {
 302                         case '.': cp[i] = '/';
 303                                 break;
 304                         case '_': cp[i] = '$';
 305                         }
 306                 }
 307
 308                 /* exceptions are catched with new_exception call */
 309
 310                 if (!(c = load_class_bootstrap(utf_new_char(cp))))
 311                         throw_cacao_exception_exit(string_java_lang_NoClassDefFoundError,
 312                                                                            cp);
 313
 314                 if (!link_class(c))
 315                         throw_cacao_exception_exit(string_java_lang_LinkageError,
 316                                                                            cp);
 317
 318                 headerfile_generate(c, opt_directory);
 319         }
 320
 321         /************************ Release all resources **********************/
 322
 323         loader_close();
 324         tables_close();
 325
 326         if (opt_verbose) {
 327                 log_text("Java - header-generator stopped");
 328 #if defined(STATISTICS)
 329                 log_cputime();
 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  */