1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #if HAVE_FPU_CONTROL_H
23 #include <fpu_control.h>
33 #include "data/dataset.h"
34 #include "data/dictionary.h"
35 #include "data/file-handle-def.h"
36 #include "data/file-name.h"
37 #include "data/session.h"
38 #include "data/settings.h"
39 #include "data/variable.h"
40 #include "gsl/gsl_errno.h"
41 #include "language/command.h"
42 #include "language/lexer/lexer.h"
43 #include "language/lexer/include-path.h"
44 #include "libpspp/argv-parser.h"
45 #include "libpspp/compiler.h"
46 #include "libpspp/i18n.h"
47 #include "libpspp/message.h"
48 #include "libpspp/version.h"
49 #include "math/random.h"
50 #include "output/driver.h"
51 #include "output/message-item.h"
52 #include "ui/debugger.h"
53 #include "ui/source-init-opts.h"
54 #include "ui/terminal/terminal-opts.h"
55 #include "ui/terminal/terminal-reader.h"
56 #include "ui/terminal/terminal.h"
57 #include "ui/terminal/terminal-opts.h"
59 #include "gl/fatal-signal.h"
60 #include "gl/progname.h"
61 #include "gl/relocatable.h"
64 #define _(msgid) gettext (msgid)
66 static struct session *the_session;
68 static void add_syntax_reader (struct lexer *, const char *file_name,
69 const char *encoding, enum lex_syntax_mode);
70 static void bug_handler(int sig);
71 static void fpu_init (void);
72 static void output_msg (const struct msg *, void *);
74 /* Program entry point. */
76 main (int argc, char **argv)
78 struct terminal_opts *terminal_opts;
79 struct argv_parser *parser;
80 enum lex_syntax_mode syntax_mode;
81 char *syntax_encoding;
85 set_program_name (argv[0]);
87 signal (SIGABRT, bug_handler);
88 signal (SIGSEGV, bug_handler);
89 signal (SIGFPE, bug_handler);
93 gsl_set_error_handler_off ();
97 terminal_check_size ();
100 lexer = lex_create ();
101 the_session = session_create ();
102 dataset_create (the_session, "");
104 parser = argv_parser_create ();
105 terminal_opts = terminal_opts_init (parser, &syntax_mode, &process_statrc,
107 source_init_register_argv_parser (parser);
108 if (!argv_parser_run (parser, argc, argv))
110 terminal_opts_done (terminal_opts, argc, argv);
111 argv_parser_destroy (parser);
113 msg_set_handler (output_msg, lexer);
114 session_set_default_syntax_encoding (the_session, syntax_encoding);
116 /* Add syntax files to source stream. */
119 char *rc = include_path_search ("rc");
122 add_syntax_reader (lexer, rc, "Auto", LEX_SYNTAX_AUTO);
130 for (i = optind; i < argc; i++)
131 add_syntax_reader (lexer, argv[i], syntax_encoding, syntax_mode);
134 add_syntax_reader (lexer, "-", syntax_encoding, syntax_mode);
136 /* Parse and execute syntax. */
140 int result = cmd_parse (lexer, session_active_dataset (the_session));
142 if (result == CMD_EOF || result == CMD_FINISH)
144 else if (cmd_result_is_failure (result) && lex_token (lexer) != T_STOP)
146 if (lex_get_error_mode (lexer) == LEX_ERROR_STOP)
148 msg (MW, _("Error encountered while ERROR=STOP is effective."));
149 lex_discard_noninteractive (lexer);
151 else if (result == CMD_CASCADING_FAILURE
152 && lex_get_error_mode (lexer) != LEX_ERROR_INTERACTIVE)
154 msg (SE, _("Stopping syntax file processing here to avoid "
155 "a cascade of dependent command failures."));
156 lex_discard_noninteractive (lexer);
160 if (msg_ui_too_many_errors ())
161 lex_discard_noninteractive (lexer);
165 session_destroy (the_session);
174 return msg_ui_any_errors ();
180 #if HAVE_FEHOLDEXCEPT
183 #elif HAVE___SETFPUCW && defined(_FPU_IEEE)
184 __setfpucw (_FPU_IEEE);
190 /* If a segfault happens, issue a message to that effect and halt */
194 /* Reset SIG to its default handling so that if it happens again we won't
196 signal (sig, SIG_DFL);
204 request_bug_report("Assertion Failure/Abort");
207 request_bug_report("Floating Point Exception");
210 request_bug_report("Segmentation Violation");
213 request_bug_report("Unknown");
217 /* Re-raise the signal so that we terminate with the correct status. */
222 output_msg (const struct msg *m_, void *lexer_)
224 struct lexer *lexer = lexer_;
227 if (m.file_name == NULL)
229 m.file_name = CONST_CAST (char *, lex_get_file_name (lexer));
230 m.first_line = lex_get_first_line_number (lexer, 0);
231 m.last_line = lex_get_last_line_number (lexer, 0);
234 message_item_submit (message_item_create (&m));
238 add_syntax_reader (struct lexer *lexer, const char *file_name,
239 const char *encoding, enum lex_syntax_mode syntax_mode)
241 struct lex_reader *reader;
243 reader = (!strcmp (file_name, "-") && isatty (STDIN_FILENO)
244 ? terminal_reader_create ()
245 : lex_reader_for_file (file_name, encoding, syntax_mode,
246 LEX_ERROR_CONTINUE));
249 lex_append (lexer, reader);