2 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 Free Software Foundation, Inc.
4 Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
25 #include "coretypes.h"
29 #include "obstack.h" /* We use obstacks in lex.c */
37 #ifdef HAVE_LANGINFO_CODESET
43 extern void fatal_error (const char *msgid, ...)
44 ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
45 void warning (const char *msgid, ...) ATTRIBUTE_PRINTF_1;
48 static void usage (void) ATTRIBUTE_NORETURN;
49 static void help (void) ATTRIBUTE_NORETURN;
50 static void version (void) ATTRIBUTE_NORETURN;
56 /* Current input file and output file IO streams. */
59 /* Executable name. */
62 struct line_maps line_table;
64 /* Flags matching command line options. */
65 int flag_find_main = 0;
66 int flag_dump_class = 0;
67 int flag_list_filename = 0;
68 int flag_complexity = 0;
75 /* This is used to mark options with no short value. */
76 #define LONG_OPT(Num) ((Num) + 128)
78 #define OPT_HELP LONG_OPT (0)
79 #define OPT_VERSION LONG_OPT (1)
80 #define OPT_ENCODING LONG_OPT (2)
82 static const struct option options[] =
84 { "help", no_argument, NULL, OPT_HELP },
85 { "version", no_argument, NULL, OPT_VERSION },
86 { "print-main", no_argument, &flag_find_main, 1 },
87 { "list-filename", no_argument, &flag_list_filename, 1 },
88 { "list-class", no_argument, &flag_dump_class, 1 },
89 { "encoding", required_argument, NULL, OPT_ENCODING },
90 { "complexity", no_argument, &flag_complexity, 1 },
91 { "no-assert", no_argument, &flag_assert, 0 },
92 { "assert", no_argument, &flag_assert, 1 },
93 { NULL, no_argument, NULL, 0 }
99 fprintf (stderr, _("Try 'jv-scan --help' for more information.\n"));
106 printf (_("Usage: jv-scan [OPTION]... FILE...\n\n"));
107 printf (_("Print useful information read from Java source files.\n\n"));
108 printf (_(" --no-assert Don't recognize the assert keyword\n"));
109 printf (_(" --complexity Print cyclomatic complexity of input file\n"));
110 printf (_(" --encoding NAME Specify encoding of input file\n"));
111 printf (_(" --print-main Print name of class containing 'main'\n"));
112 printf (_(" --list-class List all classes defined in file\n"));
113 printf (_(" --list-filename Print input filename when listing class names\n"));
114 printf (_(" -o FILE Set output file name\n"));
116 printf (_(" --help Print this help, then exit\n"));
117 printf (_(" --version Print version number, then exit\n"));
119 printf (_("For bug reporting instructions, please see:\n"
120 "%s.\n"), bug_report_url);
127 printf ("jv-scan (GCC) %s\n\n", version_string);
128 printf ("Copyright %s 2004 Free Software Foundation, Inc.\n", _("(C)"));
129 printf (_("This is free software; see the source for copying conditions. There is NO\n"
130 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"));
134 #ifdef USE_MAPPED_LOCATION
135 /* FIXME - this is the same as the function in tree.c, which is awkward.
136 Probably the cleanest solution is to move the function to line-map.c.
137 This is difficult as long as we still support --disable-mapped-location,
138 since whether expanded_location has a column fields depends on
139 USE_MAPPED_LOCATION. */
142 expand_location (source_location loc)
144 expanded_location xloc;
145 if (loc == 0) { xloc.file = NULL; xloc.line = 0; xloc.column = 0; }
148 const struct line_map *map = linemap_lookup (&line_table, loc);
149 xloc.file = map->to_file;
150 xloc.line = SOURCE_LINE (map, loc);
151 xloc.column = SOURCE_COLUMN (map, loc);
157 /* jc1-lite main entry point */
159 main (int argc, char **argv)
162 const char *output_file = NULL;
163 const char *encoding = NULL;
169 /* Default for output */
174 /* Process options first. We use getopt_long and not
175 getopt_long_only because we only support `--' long options here. */
176 while ((opt = getopt_long (argc, argv, "o:", options, NULL)) != -1)
181 /* Already handled. */
185 output_file = optarg;
206 /* No flags? Do nothing */
207 if (! flag_find_main && ! flag_dump_class && ! flag_complexity)
210 /* Check on bad usage */
211 if (flag_find_main + flag_dump_class + flag_complexity > 1)
213 ("only one of '--print-main', '--list-class', and '--complexity' allowed");
215 if (output_file && !(out = fopen (output_file, "w")))
216 fatal_error ("can't open output file '%s'", output_file);
220 gcc_obstack_init (&temporary_obstack);
221 java_push_parser_context ();
223 for ( i = optind; i < argc; i++ )
226 char *filename = argv[i];
227 if ( (finput = fopen (filename, "r")) )
229 /* There's no point in trying to find the current encoding
230 unless we are going to do something intelligent with it
231 -- hence the test for iconv. */
232 #if defined (HAVE_LOCALE_H) && defined (HAVE_ICONV) && defined (HAVE_LANGINFO_CODESET)
233 setlocale (LC_CTYPE, "");
234 if (encoding == NULL)
235 encoding = nl_langinfo (CODESET);
237 if (encoding == NULL || *encoding == '\0')
238 encoding = DEFAULT_ENCODING;
240 java_init_lex (finput, encoding);
241 ctxp->filename = filename;
244 if (ftell (out) != ft)
251 fatal_error ("file not found '%s'", argv [i]);
254 /* Flush and close */
255 if (ftell (out) != ft)
265 /* Error report, memory, obstack initialization and other utility
269 fatal_error (const char *msgid, ...)
272 va_start (ap, msgid);
273 fprintf (stderr, _("%s: error: "), exec_name);
274 vfprintf (stderr, _(msgid), ap);
275 fputc ('\n', stderr);
281 warning (const char *msgid, ...)
284 va_start (ap, msgid);
285 fprintf (stderr, _("%s: warning: "), exec_name);
286 vfprintf (stderr, _(msgid), ap);
287 fputc ('\n', stderr);
292 fancy_abort (const char *file, int line, const char *func)
294 fatal_error ("abort in %s, at %s:%d", func, file, line);