+++ /dev/null
-/* Main for jv-scan
- Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
- Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
-
-This file is part of GNU CC.
-
-GNU CC 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)
-any later version.
-
-GNU CC 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. */
-
-#include "config.h"
-#include "system.h"
-
-#include "obstack.h" /* We use obstacks in lex.c */
-
-#include "version.h"
-
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-
-#ifdef HAVE_NL_LANGINFO
-#include <langinfo.h>
-#endif
-
-#include <getopt.h>
-
-extern void fatal_error PARAMS ((const char *s, ...))
- ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
-void warning PARAMS ((const char *s, ...)) ATTRIBUTE_PRINTF_1;
-void gcc_obstack_init PARAMS ((struct obstack *obstack));
-void report PARAMS ((void));
-
-static void usage PARAMS ((void)) ATTRIBUTE_NORETURN;
-static void help PARAMS ((void)) ATTRIBUTE_NORETURN;
-static void version PARAMS ((void)) ATTRIBUTE_NORETURN;
-
-#define JC1_LITE
-#include "jcf.h"
-#include "parse.h"
-
-/* Current input file and output file IO streams. */
-FILE *finput, *out;
-
-/* Current input filename. */
-char *input_filename;
-
-/* Executable name. */
-char *exec_name;
-
-/* Flags matching command line options. */
-int flag_find_main = 0;
-int flag_dump_class = 0;
-int flag_list_filename = 0;
-int flag_complexity = 0;
-
-int pedantic = 0;
-
-\f
-
-/* This is used to mark options with no short value. */
-#define LONG_OPT(Num) ((Num) + 128)
-
-#define OPT_HELP LONG_OPT (0)
-#define OPT_VERSION LONG_OPT (1)
-#define OPT_ENCODING LONG_OPT (2)
-
-static const struct option options[] =
-{
- { "help", no_argument, NULL, OPT_HELP },
- { "version", no_argument, NULL, OPT_VERSION },
- { "print-main", no_argument, &flag_find_main, 1 },
- { "list-filename", no_argument, &flag_list_filename, 1 },
- { "list-class", no_argument, &flag_dump_class, 1 },
- { "encoding", required_argument, NULL, OPT_ENCODING },
- { "complexity", no_argument, &flag_complexity, 1 },
- { NULL, no_argument, NULL, 0 }
-};
-
-static void
-usage ()
-{
- fprintf (stderr, "Try `jv-scan --help' for more information.\n");
- exit (1);
-}
-
-static void
-help ()
-{
- printf ("Usage: jv-scan [OPTION]... FILE...\n\n");
- printf ("Print useful information read from Java source files.\n\n");
- printf (" --complexity Print cyclomatic complexity of input file\n");
- printf (" --encoding NAME Specify encoding of input file\n");
- printf (" --print-main Print name of class containing `main'\n");
- printf (" --list-class List all classes defined in file\n");
- printf (" --list-filename Print input filename when listing class names\n");
- printf (" -o FILE Set output file name\n");
- printf ("\n");
- printf (" --help Print this help, then exit\n");
- printf (" --version Print version number, then exit\n");
- printf ("\n");
- printf ("For bug reporting instructions, please see:\n");
- printf ("%s.\n", GCCBUGURL);
- exit (0);
-}
-
-static void
-version ()
-{
- printf ("jv-scan (GCC) %s\n\n", version_string);
- printf ("Copyright (C) 2002 Free Software Foundation, 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\n");
- exit (0);
-}
-
-/* jc1-lite main entry point */
-int
-DEFUN (main, (argc, argv),
- int argc AND char **argv)
-{
- int i = 1;
- const char *output_file = NULL;
- const char *encoding = NULL;
- long ft;
- int opt;
-
- exec_name = argv[0];
-
- /* Default for output */
- out = stdout;
-
- /* Process options first. We use getopt_long and not
- getopt_long_only because we only support `--' long options here. */
- while ((opt = getopt_long (argc, argv, "o:", options, NULL)) != -1)
- {
- switch (opt)
- {
- case 0:
- /* Already handled. */
- break;
-
- case 'o':
- output_file = optarg;
- break;
-
- case OPT_HELP:
- help ();
- break;
-
- case OPT_VERSION:
- version ();
- break;
-
- case OPT_ENCODING:
- encoding = optarg;
- break;
-
- default:
- usage ();
- break;
- }
- }
-
- /* No flags? Do nothing */
- if (! flag_find_main && ! flag_dump_class && ! flag_complexity)
- return 0;
-
- /* Check on bad usage */
- if (flag_find_main + flag_dump_class + flag_complexity > 1)
- fatal_error
- ("only one of `--print-main', `--list-class', and `--complexity' allowed");
-
- if (output_file && !(out = fopen (output_file, "w")))
- fatal_error ("can't open output file `%s'", output_file);
-
- ft = ftell (out);
-
- gcc_obstack_init (&temporary_obstack);
- java_push_parser_context ();
-
- for ( i = optind; i < argc; i++ )
- if (argv [i])
- {
- input_filename = argv [i];
- if ( (finput = fopen (argv [i], "r")) )
- {
- /* There's no point in trying to find the current encoding
- unless we are going to do something intelligent with it
- -- hence the test for iconv. */
-#if defined (HAVE_LOCALE_H) && defined (HAVE_ICONV) && defined (HAVE_NL_LANGINFO)
- setlocale (LC_CTYPE, "");
- if (encoding == NULL)
- encoding = nl_langinfo (CODESET);
-#endif
- if (encoding == NULL || *encoding == '\0')
- encoding = DEFAULT_ENCODING;
-
- java_init_lex (finput, encoding);
- yyparse ();
- report ();
- if (ftell (out) != ft)
- fputc ('\n', out);
- ft = ftell (out);
- fclose (finput);
- reset_report ();
- }
- else
- fatal_error ("file not found `%s'", argv [i]);
- }
-
- /* Flush and close */
- if (ftell (out) != ft)
- fputc ('\n', out);
- if (!output_file)
- fclose (out);
-
- return 0;
-}
-
-\f
-
-/* Error report, memory, obstack initialization and other utility
- functions */
-
-void
-fatal_error VPARAMS ((const char *s, ...))
-{
- VA_OPEN (ap, s);
- VA_FIXEDARG (ap, const char *, s);
-
- fprintf (stderr, "%s: error: ", exec_name);
- vfprintf (stderr, s, ap);
- fputc ('\n', stderr);
- VA_CLOSE (ap);
- exit (1);
-}
-
-void
-warning VPARAMS ((const char *s, ...))
-{
- VA_OPEN (ap, s);
- VA_FIXEDARG (ap, const char *, s);
-
- fprintf (stderr, "%s: warning: ", exec_name);
- vfprintf (stderr, s, ap);
- fputc ('\n', stderr);
- VA_CLOSE (ap);
-}
-
-void
-gcc_obstack_init (obstack)
- struct obstack *obstack;
-{
- /* 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 *(*) (long)) OBSTACK_CHUNK_ALLOC,
- (void (*) (void *)) OBSTACK_CHUNK_FREE);
-}
projects / msp430-gcc.git / blobdiff