1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2007, 2009, 2010 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/dictionary.h"
34 #include "data/file-handle-def.h"
35 #include "data/file-name.h"
36 #include "data/procedure.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/prompt.h"
43 #include "language/syntax-file.h"
44 #include "libpspp/argv-parser.h"
45 #include "libpspp/compiler.h"
46 #include "libpspp/getl.h"
47 #include "libpspp/i18n.h"
48 #include "libpspp/message.h"
49 #include "libpspp/version.h"
50 #include "math/random.h"
51 #include "output/driver.h"
52 #include "ui/debugger.h"
53 #include "ui/source-init-opts.h"
54 #include "ui/terminal/msg-ui.h"
55 #include "ui/terminal/read-line.h"
56 #include "ui/terminal/terminal-opts.h"
57 #include "ui/terminal/terminal.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 dataset * the_dataset = NULL;
68 static struct lexer *the_lexer;
69 static struct source_stream *the_source_stream ;
71 static void add_syntax_file (struct source_stream *, enum syntax_mode,
72 const char *file_name);
73 static void bug_handler(int sig);
74 static void fpu_init (void);
76 /* Program entry point. */
78 main (int argc, char **argv)
80 struct terminal_opts *terminal_opts;
81 struct argv_parser *parser;
82 enum syntax_mode syntax_mode;
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 ();
96 the_source_stream = create_source_stream ();
100 terminal_check_size ();
103 the_dataset = create_dataset ();
105 parser = argv_parser_create ();
106 terminal_opts = terminal_opts_init (parser, &syntax_mode, &process_statrc);
107 source_init_register_argv_parser (parser, the_source_stream);
108 if (!argv_parser_run (parser, argc, argv))
110 terminal_opts_done (terminal_opts, argc, argv);
111 argv_parser_destroy (parser);
113 msg_ui_init (the_source_stream);
115 /* Add syntax files to source stream. */
118 char *rc = fn_search_path ("rc", getl_include_path (the_source_stream));
121 add_syntax_file (the_source_stream, GETL_BATCH, rc);
129 for (i = optind; i < argc; i++)
130 add_syntax_file (the_source_stream, syntax_mode, argv[i]);
133 add_syntax_file (the_source_stream, syntax_mode, "-");
135 /* Parse and execute syntax. */
136 the_lexer = lex_create (the_source_stream);
139 int result = cmd_parse (the_lexer, the_dataset);
141 if (result == CMD_EOF || result == CMD_FINISH)
143 if (result == CMD_CASCADING_FAILURE &&
144 !getl_is_interactive (the_source_stream))
146 msg (SE, _("Stopping syntax file processing here to avoid "
147 "a cascade of dependent command failures."));
148 getl_abort_noninteractive (the_source_stream);
150 else if (msg_ui_too_many_errors ())
151 getl_abort_noninteractive (the_source_stream);
155 destroy_dataset (the_dataset);
160 lex_destroy (the_lexer);
161 destroy_source_stream (the_source_stream);
163 readln_uninitialize ();
168 return msg_ui_any_errors ();
174 #if HAVE_FEHOLDEXCEPT
177 #elif HAVE___SETFPUCW && defined(_FPU_IEEE)
178 __setfpucw (_FPU_IEEE);
184 /* If a segfault happens, issue a message to that effect and halt */
188 /* Reset SIG to its default handling so that if it happens again we won't
190 signal (sig, SIG_DFL);
198 request_bug_report("Assertion Failure/Abort");
201 request_bug_report("Floating Point Exception");
204 request_bug_report("Segmentation Violation");
207 request_bug_report("Unknown");
211 /* Re-raise the signal so that we terminate with the correct status. */
216 add_syntax_file (struct source_stream *ss, enum syntax_mode syntax_mode,
217 const char *file_name)
219 struct getl_interface *source;
221 source = (!strcmp (file_name, "-") && isatty (STDIN_FILENO)
222 ? create_readln_source ()
223 : create_syntax_file_source (file_name));
224 getl_append_source (ss, source, syntax_mode, ERRMODE_CONTINUE);