1 /* Copyright (C) 1999, 2000, 2001, 2002 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>
21 #include <java/lang/System.h>
22 #include <java/util/Properties.h>
27 printf ("Usage: gij [OPTION] ... CLASS [ARGS] ...\n");
28 printf (" to interpret Java bytecodes, or\n");
29 printf (" gij -jar [OPTION] ... JARFILE [ARGS] ...\n");
30 printf (" to execute a jar file\n\n");
31 printf (" --cp LIST set class path\n");
32 printf (" --classpath LIST set class path\n");
33 printf (" -DVAR=VAL define property VAR with value VAL\n");
34 printf (" --help print this help, then exit\n");
35 printf (" --ms=NUMBER set initial heap size\n");
36 printf (" --mx=NUMBER set maximum heap size\n");
37 printf (" --showversion print version number, then keep going\n");
38 printf (" --version print version number, then exit\n");
39 printf ("\nOptions can be specified with `-' or `--'.\n");
40 printf ("\nSee http://gcc.gnu.org/java/ for information on reporting bugs\n");
47 printf ("gij (GNU libgcj) version %s\n\n", __VERSION__);
48 printf ("Copyright (C) 2002 Free Software Foundation, Inc.\n");
49 printf ("This is free software; see the source for copying conditions. There is NO\n");
50 printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
54 main (int argc, const char **argv)
56 /* We rearrange ARGV so that all the -D options appear near the
58 int last_D_option = 0;
59 bool jar_mode = false;
62 for (i = 1; i < argc; ++i)
64 const char *arg = argv[i];
66 /* A non-option stops processing. */
69 /* A "--" stops processing. */
70 if (! strcmp (arg, "--"))
76 if (! strncmp (arg, "-D", 2))
78 argv[last_D_option++] = arg + 2;
82 if (! strcmp (arg, "-jar"))
88 /* Allow both single or double hyphen for all remaining
93 if (! strcmp (arg, "-help"))
95 else if (! strcmp (arg, "-version"))
100 else if (! strcmp (arg, "-showversion"))
102 /* FIXME: use getopt and avoid the ugliness here.
103 We at least need to handle the argument in a better way. */
104 else if (! strncmp (arg, "-ms=", 4))
105 _Jv_SetInitialHeapSize (arg + 4);
106 else if (! strcmp (arg, "-ms"))
111 fprintf (stderr, "gij: option requires an argument -- `%s'\n",
113 fprintf (stderr, "Try `gij --help' for more information.\n");
116 _Jv_SetInitialHeapSize (argv[++i]);
118 else if (! strncmp (arg, "-mx=", 4))
119 _Jv_SetMaximumHeapSize (arg + 4);
120 else if (! strcmp (arg, "-mx"))
124 _Jv_SetMaximumHeapSize (argv[++i]);
126 else if (! strcmp (arg, "-cp") || ! strcmp (arg, "-classpath"))
130 // We set _Jv_Jar_Class_Path. If the user specified `-jar'
131 // then the jar code will override this. This is the
133 _Jv_Jar_Class_Path = argv[++i];
137 fprintf (stderr, "gij: unrecognized option -- `%s'\n", argv[i]);
138 fprintf (stderr, "Try `gij --help' for more information.\n");
143 argv[last_D_option] = NULL;
144 _Jv_Compiler_Properties = argv;
148 fprintf (stderr, "Usage: gij [OPTION] ... CLASS [ARGS] ...\n");
149 fprintf (stderr, " to invoke CLASS.main, or\n");
150 fprintf (stderr, " gij -jar [OPTION] ... JARFILE [ARGS] ...\n");
151 fprintf (stderr, " to execute a jar file\n");
152 fprintf (stderr, "Try `gij --help' for more information.\n");
156 _Jv_RunMain (NULL, argv[i], argc - i, argv + i, jar_mode);