1 | /* Copyright (C) 1999, 2000, 2001 Free Software Foundation |
---|
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 | |
---|
11 | #include <config.h> |
---|
12 | |
---|
13 | #include <jvm.h> |
---|
14 | #include <gcj/cni.h> |
---|
15 | #include <java-props.h> |
---|
16 | |
---|
17 | #include <stdio.h> |
---|
18 | #include <string.h> |
---|
19 | #include <stdlib.h> |
---|
20 | |
---|
21 | #include <java/lang/System.h> |
---|
22 | #include <java/util/Properties.h> |
---|
23 | |
---|
24 | static void |
---|
25 | help () |
---|
26 | { |
---|
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 (" -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"); |
---|
36 | printf ("\nSee http://gcc.gnu.org/java/ for information on reporting bugs\n"); |
---|
37 | exit (0); |
---|
38 | } |
---|
39 | |
---|
40 | static void |
---|
41 | version () |
---|
42 | { |
---|
43 | printf ("gij (GNU libgcj) version %s\n\n", VERSION); |
---|
44 | printf ("Copyright (C) 2001 Free Software Foundation.\n"); |
---|
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 | } |
---|
49 | |
---|
50 | int |
---|
51 | main (int argc, const char **argv) |
---|
52 | { |
---|
53 | /* We rearrange ARGV so that all the -D options appear near the |
---|
54 | beginning. */ |
---|
55 | int last_D_option = 0; |
---|
56 | bool jar_mode = false; |
---|
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 | |
---|
79 | if (! strcmp (arg, "-jar")) |
---|
80 | { |
---|
81 | jar_mode = true; |
---|
82 | continue; |
---|
83 | } |
---|
84 | |
---|
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 | { |
---|
102 | no_arg: |
---|
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) |
---|
115 | goto no_arg; |
---|
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) |
---|
130 | { |
---|
131 | fprintf (stderr, "Usage: gij [OPTION] ... CLASS [ARGS] ...\n"); |
---|
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"); |
---|
135 | fprintf (stderr, "Try `gij --help' for more information.\n"); |
---|
136 | exit (1); |
---|
137 | } |
---|
138 | |
---|
139 | _Jv_RunMain (argv[i], argc - i, argv + i, jar_mode); |
---|
140 | } |
---|