/* Program to generate "main" a Java(TM) class containing a main method.
|
/* Program to generate "main" a Java(TM) class containing a main method.
|
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
|
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
|
2007, 2008 Free Software Foundation, Inc.
|
2007, 2008 Free Software Foundation, Inc.
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify
|
GCC is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3, or (at your option)
|
the Free Software Foundation; either version 3, or (at your option)
|
any later version.
|
any later version.
|
|
|
GCC is distributed in the hope that it will be useful,
|
GCC is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>.
|
<http://www.gnu.org/licenses/>.
|
|
|
Java and all Java-based marks are trademarks or registered trademarks
|
Java and all Java-based marks are trademarks or registered trademarks
|
of Sun Microsystems, Inc. in the United States and other countries.
|
of Sun Microsystems, Inc. in the United States and other countries.
|
The Free Software Foundation is independent of Sun Microsystems, Inc. */
|
The Free Software Foundation is independent of Sun Microsystems, Inc. */
|
|
|
/* Written by Per Bothner <bothner@cygnus.com> */
|
/* Written by Per Bothner <bothner@cygnus.com> */
|
|
|
#include "config.h"
|
#include "config.h"
|
#include "system.h"
|
#include "system.h"
|
#include "coretypes.h"
|
#include "coretypes.h"
|
#include "tm.h"
|
#include "tm.h"
|
#include "obstack.h"
|
#include "obstack.h"
|
#include "jcf.h"
|
#include "jcf.h"
|
#include "tree.h"
|
#include "tree.h"
|
#include "java-tree.h"
|
#include "java-tree.h"
|
#include "intl.h"
|
#include "intl.h"
|
|
|
static char * do_mangle_classname (const char *string);
|
static char * do_mangle_classname (const char *string);
|
|
|
struct obstack name_obstack;
|
struct obstack name_obstack;
|
struct obstack *mangle_obstack = &name_obstack;
|
struct obstack *mangle_obstack = &name_obstack;
|
|
|
static void usage (const char *) ATTRIBUTE_NORETURN;
|
static void usage (const char *) ATTRIBUTE_NORETURN;
|
|
|
static void
|
static void
|
usage (const char *name)
|
usage (const char *name)
|
{
|
{
|
fprintf (stderr, _("Usage: %s [OPTIONS]... CLASSNAMEmain [OUTFILE]\n"),
|
fprintf (stderr, _("Usage: %s [OPTIONS]... CLASSNAMEmain [OUTFILE]\n"),
|
name);
|
name);
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
int
|
int
|
main (int argc, char **argv)
|
main (int argc, char **argv)
|
{
|
{
|
char *classname, *p;
|
char *classname, *p;
|
FILE *stream;
|
FILE *stream;
|
const char *mangled_classname;
|
const char *mangled_classname;
|
int i, last_arg;
|
int i, last_arg;
|
int indirect = 0;
|
int indirect = 0;
|
char *prog_name = argv[0];
|
char *prog_name = argv[0];
|
|
|
/* Unlock the stdio streams. */
|
/* Unlock the stdio streams. */
|
unlock_std_streams ();
|
unlock_std_streams ();
|
|
|
gcc_init_libintl ();
|
gcc_init_libintl ();
|
|
|
if (argc > 1 && ! strcmp (argv[1], "-findirect-dispatch"))
|
if (argc > 1 && ! strcmp (argv[1], "-findirect-dispatch"))
|
{
|
{
|
indirect = 1;
|
indirect = 1;
|
++argv;
|
++argv;
|
--argc;
|
--argc;
|
}
|
}
|
|
|
if (argc < 2)
|
if (argc < 2)
|
usage (prog_name);
|
usage (prog_name);
|
|
|
for (i = 1; i < argc; ++i)
|
for (i = 1; i < argc; ++i)
|
{
|
{
|
if (! strncmp (argv[i], "-D", 2))
|
if (! strncmp (argv[i], "-D", 2))
|
{
|
{
|
/* Handled later. */
|
/* Handled later. */
|
}
|
}
|
else
|
else
|
break;
|
break;
|
}
|
}
|
|
|
if (i < argc - 2 || i == argc)
|
if (i < argc - 2 || i == argc)
|
usage (prog_name);
|
usage (prog_name);
|
last_arg = i;
|
last_arg = i;
|
|
|
classname = argv[i];
|
classname = argv[i];
|
|
|
/* gcj always appends `main' to classname. We need to strip this here. */
|
/* gcj always appends `main' to classname. We need to strip this here. */
|
p = strrchr (classname, 'm');
|
p = strrchr (classname, 'm');
|
if (p == NULL || p == classname || strcmp (p, "main") != 0)
|
if (p == NULL || p == classname || strcmp (p, "main") != 0)
|
usage (prog_name);
|
usage (prog_name);
|
else
|
else
|
*p = '\0';
|
*p = '\0';
|
|
|
gcc_obstack_init (mangle_obstack);
|
gcc_obstack_init (mangle_obstack);
|
mangled_classname = do_mangle_classname (classname);
|
mangled_classname = do_mangle_classname (classname);
|
|
|
if (i < argc - 1 && strcmp (argv[i + 1], "-") != 0)
|
if (i < argc - 1 && strcmp (argv[i + 1], "-") != 0)
|
{
|
{
|
const char *outfile = argv[i + 1];
|
const char *outfile = argv[i + 1];
|
stream = fopen (outfile, "w");
|
stream = fopen (outfile, "w");
|
if (stream == NULL)
|
if (stream == NULL)
|
{
|
{
|
fprintf (stderr, _("%s: Cannot open output file: %s\n"),
|
fprintf (stderr, _("%s: Cannot open output file: %s\n"),
|
prog_name, outfile);
|
prog_name, outfile);
|
exit (1);
|
exit (1);
|
}
|
}
|
}
|
}
|
else
|
else
|
stream = stdout;
|
stream = stdout;
|
|
|
/* At this point every element of ARGV from 1 to LAST_ARG is a `-D'
|
/* At this point every element of ARGV from 1 to LAST_ARG is a `-D'
|
option. Process them appropriately. */
|
option. Process them appropriately. */
|
fprintf (stream, "extern const char **_Jv_Compiler_Properties;\n");
|
fprintf (stream, "extern const char **_Jv_Compiler_Properties;\n");
|
fprintf (stream, "static const char *props[] =\n{\n");
|
fprintf (stream, "static const char *props[] =\n{\n");
|
for (i = 1; i < last_arg; ++i)
|
for (i = 1; i < last_arg; ++i)
|
{
|
{
|
const char *p;
|
const char *p;
|
fprintf (stream, " \"");
|
fprintf (stream, " \"");
|
for (p = &argv[i][2]; *p; ++p)
|
for (p = &argv[i][2]; *p; ++p)
|
{
|
{
|
if (! ISPRINT (*p))
|
if (! ISPRINT (*p))
|
fprintf (stream, "\\%o", *p);
|
fprintf (stream, "\\%o", *p);
|
else if (*p == '\\' || *p == '"')
|
else if (*p == '\\' || *p == '"')
|
fprintf (stream, "\\%c", *p);
|
fprintf (stream, "\\%c", *p);
|
else
|
else
|
putc (*p, stream);
|
putc (*p, stream);
|
}
|
}
|
fprintf (stream, "\",\n");
|
fprintf (stream, "\",\n");
|
}
|
}
|
fprintf (stream, " 0\n};\n\n");
|
fprintf (stream, " 0\n};\n\n");
|
|
|
fprintf (stream, "int main (int argc, const char **argv)\n");
|
fprintf (stream, "int main (int argc, const char **argv)\n");
|
fprintf (stream, "{\n");
|
fprintf (stream, "{\n");
|
fprintf (stream, " _Jv_Compiler_Properties = props;\n");
|
fprintf (stream, " _Jv_Compiler_Properties = props;\n");
|
if (indirect)
|
if (indirect)
|
fprintf (stream, " JvRunMainName (\"%s\", argc, argv);\n", classname);
|
fprintf (stream, " JvRunMainName (\"%s\", argc, argv);\n", classname);
|
else
|
else
|
{
|
{
|
fprintf (stream, " extern char %s;\n", mangled_classname);
|
fprintf (stream, " extern char %s;\n", mangled_classname);
|
fprintf (stream, " JvRunMain (&%s, argc, argv);\n", mangled_classname);
|
fprintf (stream, " JvRunMain (&%s, argc, argv);\n", mangled_classname);
|
}
|
}
|
fprintf (stream, "}\n");
|
fprintf (stream, "}\n");
|
if (stream != stdout && fclose (stream) != 0)
|
if (stream != stdout && fclose (stream) != 0)
|
{
|
{
|
fprintf (stderr, _("%s: Failed to close output file %s\n"),
|
fprintf (stderr, _("%s: Failed to close output file %s\n"),
|
prog_name, argv[2]);
|
prog_name, argv[2]);
|
exit (1);
|
exit (1);
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
static char *
|
static char *
|
do_mangle_classname (const char *string)
|
do_mangle_classname (const char *string)
|
{
|
{
|
const char *ptr;
|
const char *ptr;
|
int count = 0;
|
int count = 0;
|
|
|
obstack_grow (&name_obstack, "_ZN", 3);
|
obstack_grow (&name_obstack, "_ZN", 3);
|
|
|
for (ptr = string; *ptr; ptr++ )
|
for (ptr = string; *ptr; ptr++ )
|
{
|
{
|
if (*ptr == '.')
|
if (*ptr == '.')
|
{
|
{
|
append_gpp_mangled_name (ptr - count, count);
|
append_gpp_mangled_name (ptr - count, count);
|
count = 0;
|
count = 0;
|
}
|
}
|
else
|
else
|
count++;
|
count++;
|
}
|
}
|
append_gpp_mangled_name (&ptr [-count], count);
|
append_gpp_mangled_name (&ptr [-count], count);
|
obstack_grow (mangle_obstack, "6class$E", strlen ("6class$E"));
|
obstack_grow (mangle_obstack, "6class$E", strlen ("6class$E"));
|
obstack_1grow (mangle_obstack, '\0');
|
obstack_1grow (mangle_obstack, '\0');
|
return XOBFINISH (mangle_obstack, char *);
|
return XOBFINISH (mangle_obstack, char *);
|
}
|
}
|
|
|
