/* Program to generate "main" a Java(TM) class containing a main method.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "obstack.h"
+#include "jcf.h"
+#include "tree.h"
+#include "java-tree.h"
+#include "intl.h"
-const char main_method_prefix[] = "main__";
-const char main_method_suffix[] = "Pt6JArray1ZPQ34java4lang6String";
-const char class_mangling_prefix[] = "_CL_";
+static char * do_mangle_classname (const char *string);
-struct obstack name_obstack;
+struct obstack name_obstack;
+struct obstack *mangle_obstack = &name_obstack;
-void
-error (const char *str)
-{
- fprintf (stderr, "%s\n", str);
- exit (-1);
-}
-
-void *
-xmalloc (size)
- size_t size;
-{
- void *ptr = malloc (size);
- if (ptr == NULL)
- {
- fprintf (stderr, "Not enough memory!\n");
- exit (-1);
- }
- return ptr;
-}
+static void usage (const char *) ATTRIBUTE_NORETURN;
-void
-gcc_obstack_init (obstack)
- struct obstack *obstack;
+static void
+usage (const char *name)
{
- /* Let particular systems override the size of a chunk. */
-#ifndef OBSTACK_CHUNK_SIZE
-#define OBSTACK_CHUNK_SIZE 0
-#endif
- /* Let them override the alloc and free routines too. */
-#ifndef OBSTACK_CHUNK_ALLOC
-#define OBSTACK_CHUNK_ALLOC xmalloc
-#endif
-#ifndef OBSTACK_CHUNK_FREE
-#define OBSTACK_CHUNK_FREE free
-#endif
- _obstack_begin (obstack, OBSTACK_CHUNK_SIZE, 0,
- (void *(*) ()) OBSTACK_CHUNK_ALLOC,
- (void (*) ()) OBSTACK_CHUNK_FREE);
+ fprintf (stderr, _("Usage: %s [OPTIONS]... CLASSNAMEmain [OUTFILE]\n"),
+ name);
+ exit (1);
}
int
-main (int argc, const char **argv)
+main (int argc, char **argv)
{
- const char *classname;
+ char *classname, *p;
FILE *stream;
- char *mangled_classname;
+ const char *mangled_classname;
+ int i, last_arg;
+ int indirect = 0;
+ char *prog_name = argv[0];
+
+ /* Unlock the stdio streams. */
+ unlock_std_streams ();
- if (argc < 2 || argc > 3)
+ gcc_init_libintl ();
+
+ if (argc > 1 && ! strcmp (argv[1], "-findirect-dispatch"))
{
- fprintf (stderr, "Usage: %s CLASSNAME [OUTFILE]\n", argv[0]);
- exit(-1);
+ indirect = 1;
+ ++argv;
+ --argc;
}
- classname = argv[1];
+ if (argc < 2)
+ usage (prog_name);
- gcc_obstack_init (&name_obstack);
- append_gpp_mangled_classtype (&name_obstack, classname);
- mangled_classname = obstack_finish (&name_obstack);
+ for (i = 1; i < argc; ++i)
+ {
+ if (! strncmp (argv[i], "-D", 2))
+ {
+ /* Handled later. */
+ }
+ else
+ break;
+ }
+
+ if (i < argc - 2 || i == argc)
+ usage (prog_name);
+ last_arg = i;
+
+ classname = argv[i];
- if (argc > 2 && strcmp (argv[2], "-") != 0)
+ /* gcj always appends `main' to classname. We need to strip this here. */
+ p = strrchr (classname, 'm');
+ if (p == NULL || p == classname || strcmp (p, "main") != 0)
+ usage (prog_name);
+ else
+ *p = '\0';
+
+ gcc_obstack_init (mangle_obstack);
+ mangled_classname = do_mangle_classname (classname);
+
+ if (i < argc - 1 && strcmp (argv[i + 1], "-") != 0)
{
- const char *outfile = argv[2];
+ const char *outfile = argv[i + 1];
stream = fopen (outfile, "w");
if (stream == NULL)
{
- fprintf (stderr, "%s: Cannot open output file: %s\n",
- argv[0], outfile);
- exit (-1);
+ fprintf (stderr, _("%s: Cannot open output file: %s\n"),
+ prog_name, outfile);
+ exit (1);
}
}
else
stream = stdout;
- fprintf (stream, "extern struct Class %s%s;\n",
- class_mangling_prefix, mangled_classname);
+
+ /* At this point every element of ARGV from 1 to LAST_ARG is a `-D'
+ option. Process them appropriately. */
+ fprintf (stream, "extern const char **_Jv_Compiler_Properties;\n");
+ fprintf (stream, "static const char *props[] =\n{\n");
+ for (i = 1; i < last_arg; ++i)
+ {
+ const char *p;
+ fprintf (stream, " \"");
+ for (p = &argv[i][2]; *p; ++p)
+ {
+ if (! ISPRINT (*p))
+ fprintf (stream, "\\%o", *p);
+ else if (*p == '\\' || *p == '"')
+ fprintf (stream, "\\%c", *p);
+ else
+ putc (*p, stream);
+ }
+ fprintf (stream, "\",\n");
+ }
+ fprintf (stream, " 0\n};\n\n");
+
fprintf (stream, "int main (int argc, const char **argv)\n");
fprintf (stream, "{\n");
- fprintf (stream, " JvRunMain (&%s%s, argc, argv);\n",
- class_mangling_prefix, mangled_classname);
+ fprintf (stream, " _Jv_Compiler_Properties = props;\n");
+ if (indirect)
+ fprintf (stream, " JvRunMainName (\"%s\", argc, argv);\n", classname);
+ else
+ {
+ fprintf (stream, " extern char %s;\n", mangled_classname);
+ fprintf (stream, " JvRunMain (&%s, argc, argv);\n", mangled_classname);
+ }
fprintf (stream, "}\n");
if (stream != stdout && fclose (stream) != 0)
{
- fprintf (stderr, "%s: Failed to close output file %s\n",
- argv[0], argv[2]);
- exit (-1);
+ fprintf (stderr, _("%s: Failed to close output file %s\n"),
+ prog_name, argv[2]);
+ exit (1);
}
return 0;
}
+
+
+static char *
+do_mangle_classname (const char *string)
+{
+ const char *ptr;
+ int count = 0;
+
+ obstack_grow (&name_obstack, "_ZN", 3);
+
+ for (ptr = string; *ptr; ptr++ )
+ {
+ if (*ptr == '.')
+ {
+ append_gpp_mangled_name (ptr - count, count);
+ count = 0;
+ }
+ else
+ count++;
+ }
+ append_gpp_mangled_name (&ptr [-count], count);
+ obstack_grow (mangle_obstack, "6class$E", strlen ("6class$E"));
+ obstack_1grow (mangle_obstack, '\0');
+ return XOBFINISH (mangle_obstack, char *);
+}
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