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Commit | Line | Data |
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f2e541ce | 1 | /* Copyright (C) 1999, 2000 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"); | |
b8c3c4f0 TT |
31 | printf (" -DVAR=VAL define property VAR with value VAL\n"); |
32 | printf (" --help print this help, then exit\n"); | |
33 | printf (" --ms=NUMBER set initial heap size\n"); | |
34 | printf (" --mx=NUMBER set maximum heap size\n"); | |
35 | printf (" --version print version number, then exit\n"); | |
f2e541ce | 36 | printf ("\nSee http://sources.redhat.com/java/ for information on reporting bugs\n"); |
b8c3c4f0 TT |
37 | exit (0); |
38 | } | |
39 | ||
40 | static void | |
41 | version () | |
76ed0c0a | 42 | { |
b8c3c4f0 | 43 | printf ("gij (GNU libgcj) version %s\n\n", VERSION); |
f2e541ce | 44 | printf ("Copyright (C) 1999, 2000 Free Software Foundation.\n"); |
b8c3c4f0 TT |
45 | printf ("This is free software; see the source for copying conditions. There is NO\n"); |
46 | printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"); | |
47 | exit (0); | |
48 | } | |
76ed0c0a TT |
49 | |
50 | int | |
51 | main (int argc, const char **argv) | |
58eb6e7c | 52 | { |
b8c3c4f0 TT |
53 | /* We rearrange ARGV so that all the -D options appear near the |
54 | beginning. */ | |
55 | int last_D_option = 0; | |
1a558147 | 56 | bool jar_mode = false; |
b8c3c4f0 TT |
57 | |
58 | int i; | |
59 | for (i = 1; i < argc; ++i) | |
60 | { | |
61 | const char *arg = argv[i]; | |
62 | ||
63 | /* A non-option stops processing. */ | |
64 | if (arg[0] != '-') | |
65 | break; | |
66 | /* A "--" stops processing. */ | |
67 | if (! strcmp (arg, "--")) | |
68 | { | |
69 | ++i; | |
70 | break; | |
71 | } | |
72 | ||
73 | if (! strncmp (arg, "-D", 2)) | |
74 | { | |
75 | argv[last_D_option++] = arg + 2; | |
76 | continue; | |
77 | } | |
78 | ||
1a558147 AG |
79 | if (! strcmp (arg, "-jar")) |
80 | { | |
81 | jar_mode = true; | |
82 | continue; | |
83 | } | |
84 | ||
b8c3c4f0 TT |
85 | /* Allow both single or double hyphen for all remaining |
86 | options. */ | |
87 | if (arg[1] == '-') | |
88 | ++arg; | |
89 | ||
90 | if (! strcmp (arg, "-help")) | |
91 | help (); | |
92 | else if (! strcmp (arg, "-version")) | |
93 | version (); | |
94 | /* FIXME: use getopt and avoid the ugliness here. | |
95 | We at least need to handle the argument in a better way. */ | |
96 | else if (! strncmp (arg, "-ms=", 4)) | |
97 | _Jv_SetInitialHeapSize (arg + 4); | |
98 | else if (! strcmp (arg, "-ms")) | |
99 | { | |
100 | if (i >= argc - 1) | |
101 | { | |
3cf88fb4 | 102 | no_arg: |
b8c3c4f0 TT |
103 | fprintf (stderr, "gij: option requires an argument -- `%s'\n", |
104 | argv[i]); | |
105 | fprintf (stderr, "Try `gij --help' for more information.\n"); | |
106 | exit (1); | |
107 | } | |
108 | _Jv_SetInitialHeapSize (argv[++i]); | |
109 | } | |
110 | else if (! strncmp (arg, "-mx=", 4)) | |
111 | _Jv_SetMaximumHeapSize (arg + 4); | |
112 | else if (! strcmp (arg, "-mx")) | |
113 | { | |
114 | if (i >= argc - 1) | |
3cf88fb4 | 115 | goto no_arg; |
b8c3c4f0 TT |
116 | _Jv_SetMaximumHeapSize (argv[++i]); |
117 | } | |
118 | else | |
119 | { | |
120 | fprintf (stderr, "gij: unrecognized option -- `%s'\n", argv[i]); | |
121 | fprintf (stderr, "Try `gij --help' for more information.\n"); | |
122 | exit (1); | |
123 | } | |
124 | } | |
125 | ||
126 | argv[last_D_option] = NULL; | |
127 | _Jv_Compiler_Properties = argv; | |
128 | ||
129 | if (argc - i < 1) | |
58eb6e7c | 130 | { |
b8c3c4f0 | 131 | fprintf (stderr, "Usage: gij [OPTION] ... CLASS [ARGS] ...\n"); |
1a558147 AG |
132 | fprintf (stderr, " to interpret Java bytecodes, or\n"); |
133 | fprintf (stderr, " gij -jar [OPTION] ... JARFILE [ARGS] ...\n"); | |
134 | fprintf (stderr, " to execute a jar file\n"); | |
b8c3c4f0 | 135 | fprintf (stderr, "Try `gij --help' for more information.\n"); |
58eb6e7c AG |
136 | exit (1); |
137 | } | |
138 | ||
1a558147 | 139 | _Jv_RunMain (argv[i], argc - i, argv + i, jar_mode); |
58eb6e7c | 140 | } |