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Commit | Line | Data |
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35e6511a | 1 | /* Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation |
58eb6e7c AG |
2 | |
3 | This file is part of libgcj. | |
4 | ||
5 | This software is copyrighted work licensed under the terms of the | |
6 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for | |
7 | details. */ | |
8 | ||
9 | /* Author: Kresten Krab Thorup <krab@gnu.org> */ | |
10 | ||
b8c3c4f0 TT |
11 | #include <config.h> |
12 | ||
58eb6e7c | 13 | #include <jvm.h> |
27e934d8 | 14 | #include <gcj/cni.h> |
b8c3c4f0 TT |
15 | #include <java-props.h> |
16 | ||
58eb6e7c | 17 | #include <stdio.h> |
b8c3c4f0 | 18 | #include <string.h> |
f1aa7a52 | 19 | #include <stdlib.h> |
58eb6e7c AG |
20 | |
21 | #include <java/lang/System.h> | |
22 | #include <java/util/Properties.h> | |
23 | ||
b8c3c4f0 TT |
24 | static void |
25 | help () | |
26 | { | |
1a558147 AG |
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"); | |
2263ca09 TT |
31 | printf (" --cp LIST set class path\n"); |
32 | printf (" --classpath LIST set class path\n"); | |
b8c3c4f0 | 33 | printf (" -DVAR=VAL define property VAR with value VAL\n"); |
bc5ad3e6 TT |
34 | printf (" -?, --help print this help, then exit\n"); |
35 | printf (" -X print help on supported -X options, then exit\n"); | |
b8c3c4f0 TT |
36 | printf (" --ms=NUMBER set initial heap size\n"); |
37 | printf (" --mx=NUMBER set maximum heap size\n"); | |
ca7c2b85 | 38 | printf (" --showversion print version number, then keep going\n"); |
b8c3c4f0 | 39 | printf (" --version print version number, then exit\n"); |
2263ca09 | 40 | printf ("\nOptions can be specified with `-' or `--'.\n"); |
7e5fd99f | 41 | printf ("\nSee http://gcc.gnu.org/java/ for information on reporting bugs\n"); |
b8c3c4f0 TT |
42 | exit (0); |
43 | } | |
44 | ||
45 | static void | |
46 | version () | |
76ed0c0a | 47 | { |
fc04b455 | 48 | printf ("gij (GNU libgcj) version %s\n\n", __VERSION__); |
1a77d3ba | 49 | printf ("Copyright (C) 2002 Free Software Foundation, Inc.\n"); |
b8c3c4f0 TT |
50 | printf ("This is free software; see the source for copying conditions. There is NO\n"); |
51 | printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"); | |
b8c3c4f0 | 52 | } |
76ed0c0a TT |
53 | |
54 | int | |
55 | main (int argc, const char **argv) | |
58eb6e7c | 56 | { |
b8c3c4f0 TT |
57 | /* We rearrange ARGV so that all the -D options appear near the |
58 | beginning. */ | |
59 | int last_D_option = 0; | |
1a558147 | 60 | bool jar_mode = false; |
b8c3c4f0 TT |
61 | |
62 | int i; | |
63 | for (i = 1; i < argc; ++i) | |
64 | { | |
65 | const char *arg = argv[i]; | |
66 | ||
67 | /* A non-option stops processing. */ | |
68 | if (arg[0] != '-') | |
69 | break; | |
70 | /* A "--" stops processing. */ | |
71 | if (! strcmp (arg, "--")) | |
72 | { | |
73 | ++i; | |
74 | break; | |
75 | } | |
76 | ||
77 | if (! strncmp (arg, "-D", 2)) | |
78 | { | |
79 | argv[last_D_option++] = arg + 2; | |
80 | continue; | |
81 | } | |
82 | ||
1a558147 AG |
83 | if (! strcmp (arg, "-jar")) |
84 | { | |
85 | jar_mode = true; | |
86 | continue; | |
87 | } | |
88 | ||
b8c3c4f0 TT |
89 | /* Allow both single or double hyphen for all remaining |
90 | options. */ | |
91 | if (arg[1] == '-') | |
92 | ++arg; | |
93 | ||
35e6511a | 94 | if (! strcmp (arg, "-help") || ! strcmp (arg, "-?")) |
b8c3c4f0 TT |
95 | help (); |
96 | else if (! strcmp (arg, "-version")) | |
ca7c2b85 TT |
97 | { |
98 | version (); | |
99 | exit (0); | |
100 | } | |
101 | else if (! strcmp (arg, "-showversion")) | |
b8c3c4f0 TT |
102 | version (); |
103 | /* FIXME: use getopt and avoid the ugliness here. | |
104 | We at least need to handle the argument in a better way. */ | |
105 | else if (! strncmp (arg, "-ms=", 4)) | |
106 | _Jv_SetInitialHeapSize (arg + 4); | |
107 | else if (! strcmp (arg, "-ms")) | |
108 | { | |
109 | if (i >= argc - 1) | |
110 | { | |
3cf88fb4 | 111 | no_arg: |
b8c3c4f0 TT |
112 | fprintf (stderr, "gij: option requires an argument -- `%s'\n", |
113 | argv[i]); | |
114 | fprintf (stderr, "Try `gij --help' for more information.\n"); | |
115 | exit (1); | |
116 | } | |
117 | _Jv_SetInitialHeapSize (argv[++i]); | |
118 | } | |
119 | else if (! strncmp (arg, "-mx=", 4)) | |
120 | _Jv_SetMaximumHeapSize (arg + 4); | |
121 | else if (! strcmp (arg, "-mx")) | |
122 | { | |
123 | if (i >= argc - 1) | |
3cf88fb4 | 124 | goto no_arg; |
b8c3c4f0 TT |
125 | _Jv_SetMaximumHeapSize (argv[++i]); |
126 | } | |
2263ca09 TT |
127 | else if (! strcmp (arg, "-cp") || ! strcmp (arg, "-classpath")) |
128 | { | |
129 | if (i >= argc - 1) | |
130 | goto no_arg; | |
131 | // We set _Jv_Jar_Class_Path. If the user specified `-jar' | |
132 | // then the jar code will override this. This is the | |
133 | // correct behavior. | |
134 | _Jv_Jar_Class_Path = argv[++i]; | |
135 | } | |
35e6511a TT |
136 | else if (arg[1] == 'X') |
137 | { | |
138 | if (arg[2] == '\0') | |
139 | { | |
140 | printf ("gij: currently no -X options are recognized\n"); | |
141 | exit (0); | |
142 | } | |
143 | /* Ignore other -X options. */ | |
144 | } | |
b8c3c4f0 TT |
145 | else |
146 | { | |
147 | fprintf (stderr, "gij: unrecognized option -- `%s'\n", argv[i]); | |
148 | fprintf (stderr, "Try `gij --help' for more information.\n"); | |
149 | exit (1); | |
150 | } | |
151 | } | |
152 | ||
153 | argv[last_D_option] = NULL; | |
154 | _Jv_Compiler_Properties = argv; | |
155 | ||
156 | if (argc - i < 1) | |
58eb6e7c | 157 | { |
b8c3c4f0 | 158 | fprintf (stderr, "Usage: gij [OPTION] ... CLASS [ARGS] ...\n"); |
242f4945 | 159 | fprintf (stderr, " to invoke CLASS.main, or\n"); |
1a558147 AG |
160 | fprintf (stderr, " gij -jar [OPTION] ... JARFILE [ARGS] ...\n"); |
161 | fprintf (stderr, " to execute a jar file\n"); | |
b8c3c4f0 | 162 | fprintf (stderr, "Try `gij --help' for more information.\n"); |
58eb6e7c AG |
163 | exit (1); |
164 | } | |
165 | ||
2dc55bc9 | 166 | _Jv_RunMain (NULL, argv[i], argc - i, argv + i, jar_mode); |
58eb6e7c | 167 | } |