1 /* Copyright (C) 1999 Free Software Foundation
3 This file is part of libgcj.
5 This software is copyrighted work licensed under the terms of the
6 Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
9 /* Author: Kresten Krab Thorup <krab@gnu.org> */
15 #include <java-props.h>
20 #include <java/lang/System.h>
21 #include <java/util/Properties.h>
26 printf ("Usage: gij [OPTION] ... CLASS [ARGS] ...\n\n");
27 printf ("Interpret Java bytecodes\n\n");
28 printf (" -DVAR=VAL define property VAR with value VAL\n");
29 printf (" --help print this help, then exit\n");
30 printf (" --ms=NUMBER set initial heap size\n");
31 printf (" --mx=NUMBER set maximum heap size\n");
32 printf (" --version print version number, then exit\n");
33 printf ("\nSee http://sourceware.cygnus.com/java/ for information on reporting bugs\n");
40 printf ("gij (GNU libgcj) version %s\n\n", VERSION);
41 printf ("Copyright (C) 1999 Free Software Foundation.\n");
42 printf ("This is free software; see the source for copying conditions. There is NO\n");
43 printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
48 main (int argc, const char **argv)
50 /* We rearrange ARGV so that all the -D options appear near the
52 int last_D_option = 0;
55 for (i = 1; i < argc; ++i)
57 const char *arg = argv[i];
59 /* A non-option stops processing. */
62 /* A "--" stops processing. */
63 if (! strcmp (arg, "--"))
69 if (! strncmp (arg, "-D", 2))
71 argv[last_D_option++] = arg + 2;
75 /* Allow both single or double hyphen for all remaining
80 if (! strcmp (arg, "-help"))
82 else if (! strcmp (arg, "-version"))
84 /* FIXME: use getopt and avoid the ugliness here.
85 We at least need to handle the argument in a better way. */
86 else if (! strncmp (arg, "-ms=", 4))
87 _Jv_SetInitialHeapSize (arg + 4);
88 else if (! strcmp (arg, "-ms"))
93 fprintf (stderr, "gij: option requires an argument -- `%s'\n",
95 fprintf (stderr, "Try `gij --help' for more information.\n");
98 _Jv_SetInitialHeapSize (argv[++i]);
100 else if (! strncmp (arg, "-mx=", 4))
101 _Jv_SetMaximumHeapSize (arg + 4);
102 else if (! strcmp (arg, "-mx"))
106 _Jv_SetMaximumHeapSize (argv[++i]);
110 fprintf (stderr, "gij: unrecognized option -- `%s'\n", argv[i]);
111 fprintf (stderr, "Try `gij --help' for more information.\n");
116 argv[last_D_option] = NULL;
117 _Jv_Compiler_Properties = argv;
121 fprintf (stderr, "Usage: gij [OPTION] ... CLASS [ARGS] ...\n");
122 fprintf (stderr, "Try `gij --help' for more information.\n");
126 _Jv_RunMain (argv[i], argc - i, argv + i);