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/settings.h"
38 #include "data/variable.h"
39 #include "gsl/gsl_errno.h"
40 #include "language/command.h"
41 #include "language/lexer/lexer.h"
42 #include "language/lexer/include-path.h"
43 #include "libpspp/argv-parser.h"
44 #include "libpspp/compiler.h"
45 #include "libpspp/i18n.h"
46 #include "libpspp/message.h"
47 #include "libpspp/version.h"
48 #include "math/random.h"
49 #include "output/driver.h"
50 #include "output/message-item.h"
51 #include "ui/debugger.h"
52 #include "ui/source-init-opts.h"
53 #include "ui/terminal/terminal-opts.h"
54 #include "ui/terminal/terminal-reader.h"
55 #include "ui/terminal/terminal.h"
57 #include "gl/fatal-signal.h"
58 #include "gl/progname.h"
59 #include "gl/relocatable.h"
62 #define _(msgid) gettext (msgid)
64 static struct dataset *the_dataset;
66 static void add_syntax_reader (struct lexer *, const char *file_name,
67 const char *encoding, enum lex_syntax_mode);
68 static void bug_handler(int sig);
69 static void fpu_init (void);
70 static void output_msg (const struct msg *, void *);
72 /* Program entry point. */
74 main (int argc, char **argv)
76 struct terminal_opts *terminal_opts;
77 struct argv_parser *parser;
78 enum lex_syntax_mode syntax_mode;
79 char *syntax_encoding;
83 set_program_name (argv[0]);
85 signal (SIGABRT, bug_handler);
86 signal (SIGSEGV, bug_handler);
87 signal (SIGFPE, bug_handler);
91 gsl_set_error_handler_off ();
95 terminal_check_size ();
98 lexer = lex_create ();
99 the_dataset = dataset_create ();
101 parser = argv_parser_create ();
102 terminal_opts = terminal_opts_init (parser, &syntax_mode, &process_statrc,
104 source_init_register_argv_parser (parser);
105 if (!argv_parser_run (parser, argc, argv))
107 terminal_opts_done (terminal_opts, argc, argv);
108 argv_parser_destroy (parser);
110 msg_set_handler (output_msg, lexer);
111 dataset_set_default_syntax_encoding (the_dataset, syntax_encoding);
113 /* Add syntax files to source stream. */
116 char *rc = include_path_search ("rc");
119 add_syntax_reader (lexer, rc, "Auto", LEX_SYNTAX_AUTO);
127 for (i = optind; i < argc; i++)
128 add_syntax_reader (lexer, argv[i], syntax_encoding, syntax_mode);
131 add_syntax_reader (lexer, "-", syntax_encoding, syntax_mode);
133 /* Parse and execute syntax. */
137 int result = cmd_parse (lexer, the_dataset);
139 if (result == CMD_EOF || result == CMD_FINISH)
141 else if (cmd_result_is_failure (result) && lex_token (lexer) != T_STOP)
143 if (lex_get_error_mode (lexer) == LEX_ERROR_STOP)
145 msg (MW, _("Error encountered while ERROR=STOP is effective."));
146 lex_discard_noninteractive (lexer);
148 else if (result == CMD_CASCADING_FAILURE
149 && lex_get_error_mode (lexer) != LEX_ERROR_INTERACTIVE)
151 msg (SE, _("Stopping syntax file processing here to avoid "
152 "a cascade of dependent command failures."));
153 lex_discard_noninteractive (lexer);
157 if (msg_ui_too_many_errors ())
158 lex_discard_noninteractive (lexer);
162 dataset_destroy (the_dataset);
171 return msg_ui_any_errors ();
177 #if HAVE_FEHOLDEXCEPT
180 #elif HAVE___SETFPUCW && defined(_FPU_IEEE)
181 __setfpucw (_FPU_IEEE);
187 /* If a segfault happens, issue a message to that effect and halt */
191 /* Reset SIG to its default handling so that if it happens again we won't
193 signal (sig, SIG_DFL);
201 request_bug_report("Assertion Failure/Abort");
204 request_bug_report("Floating Point Exception");
207 request_bug_report("Segmentation Violation");
210 request_bug_report("Unknown");
214 /* Re-raise the signal so that we terminate with the correct status. */
219 output_msg (const struct msg *m_, void *lexer_)
221 struct lexer *lexer = lexer_;
224 if (m.file_name == NULL)
226 m.file_name = CONST_CAST (char *, lex_get_file_name (lexer));
227 m.first_line = lex_get_first_line_number (lexer, 0);
228 m.last_line = lex_get_last_line_number (lexer, 0);
231 message_item_submit (message_item_create (&m));
235 add_syntax_reader (struct lexer *lexer, const char *file_name,
236 const char *encoding, enum lex_syntax_mode syntax_mode)
238 struct lex_reader *reader;
240 reader = (!strcmp (file_name, "-") && isatty (STDIN_FILENO)
241 ? terminal_reader_create ()
242 : lex_reader_for_file (file_name, encoding, syntax_mode,
243 LEX_ERROR_CONTINUE));
246 lex_append (lexer, reader);