128 lines
3.1 KiB
C++
128 lines
3.1 KiB
C++
/* Copyright (C) 1999 Red Hat, Inc.
|
|
|
|
This file is part of libgcj.
|
|
|
|
This software is copyrighted work licensed under the terms of the
|
|
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
|
details. */
|
|
|
|
/* Author: Kresten Krab Thorup <krab@gnu.org> */
|
|
|
|
#include <config.h>
|
|
|
|
#include <jvm.h>
|
|
#include <gcj/cni.h>
|
|
#include <java-props.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <java/lang/System.h>
|
|
#include <java/util/Properties.h>
|
|
|
|
static void
|
|
help ()
|
|
{
|
|
printf ("Usage: gij [OPTION] ... CLASS [ARGS] ...\n\n");
|
|
printf ("Interpret Java bytecodes\n\n");
|
|
printf (" -DVAR=VAL define property VAR with value VAL\n");
|
|
printf (" --help print this help, then exit\n");
|
|
printf (" --ms=NUMBER set initial heap size\n");
|
|
printf (" --mx=NUMBER set maximum heap size\n");
|
|
printf (" --version print version number, then exit\n");
|
|
printf ("\nSee http://sourceware.cygnus.com/java/ for information on reporting bugs\n");
|
|
exit (0);
|
|
}
|
|
|
|
static void
|
|
version ()
|
|
{
|
|
printf ("gij (GNU libgcj) version %s\n\n", VERSION);
|
|
printf ("Copyright (C) 1999 Red Hat, Inc..\n");
|
|
printf ("This is free software; see the source for copying conditions. There is NO\n");
|
|
printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
|
|
exit (0);
|
|
}
|
|
|
|
int
|
|
main (int argc, const char **argv)
|
|
{
|
|
/* We rearrange ARGV so that all the -D options appear near the
|
|
beginning. */
|
|
int last_D_option = 0;
|
|
|
|
int i;
|
|
for (i = 1; i < argc; ++i)
|
|
{
|
|
const char *arg = argv[i];
|
|
|
|
/* A non-option stops processing. */
|
|
if (arg[0] != '-')
|
|
break;
|
|
/* A "--" stops processing. */
|
|
if (! strcmp (arg, "--"))
|
|
{
|
|
++i;
|
|
break;
|
|
}
|
|
|
|
if (! strncmp (arg, "-D", 2))
|
|
{
|
|
argv[last_D_option++] = arg + 2;
|
|
continue;
|
|
}
|
|
|
|
/* Allow both single or double hyphen for all remaining
|
|
options. */
|
|
if (arg[1] == '-')
|
|
++arg;
|
|
|
|
if (! strcmp (arg, "-help"))
|
|
help ();
|
|
else if (! strcmp (arg, "-version"))
|
|
version ();
|
|
/* FIXME: use getopt and avoid the ugliness here.
|
|
We at least need to handle the argument in a better way. */
|
|
else if (! strncmp (arg, "-ms=", 4))
|
|
_Jv_SetInitialHeapSize (arg + 4);
|
|
else if (! strcmp (arg, "-ms"))
|
|
{
|
|
if (i >= argc - 1)
|
|
{
|
|
no_arg:
|
|
fprintf (stderr, "gij: option requires an argument -- `%s'\n",
|
|
argv[i]);
|
|
fprintf (stderr, "Try `gij --help' for more information.\n");
|
|
exit (1);
|
|
}
|
|
_Jv_SetInitialHeapSize (argv[++i]);
|
|
}
|
|
else if (! strncmp (arg, "-mx=", 4))
|
|
_Jv_SetMaximumHeapSize (arg + 4);
|
|
else if (! strcmp (arg, "-mx"))
|
|
{
|
|
if (i >= argc - 1)
|
|
goto no_arg;
|
|
_Jv_SetMaximumHeapSize (argv[++i]);
|
|
}
|
|
else
|
|
{
|
|
fprintf (stderr, "gij: unrecognized option -- `%s'\n", argv[i]);
|
|
fprintf (stderr, "Try `gij --help' for more information.\n");
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
argv[last_D_option] = NULL;
|
|
_Jv_Compiler_Properties = argv;
|
|
|
|
if (argc - i < 1)
|
|
{
|
|
fprintf (stderr, "Usage: gij [OPTION] ... CLASS [ARGS] ...\n");
|
|
fprintf (stderr, "Try `gij --help' for more information.\n");
|
|
exit (1);
|
|
}
|
|
|
|
_Jv_RunMain (argv[i], argc - i, argv + i);
|
|
}
|