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);
75 static void clean_up (void);
77 /* Program entry point. */
79 main (int argc, char **argv)
81 struct terminal_opts *terminal_opts;
82 struct argv_parser *parser;
83 enum syntax_mode syntax_mode;
86 set_program_name (argv[0]);
88 signal (SIGABRT, bug_handler);
89 signal (SIGSEGV, bug_handler);
90 signal (SIGFPE, bug_handler);
91 at_fatal_signal (clean_up);
95 gsl_set_error_handler_off ();
98 the_source_stream = create_source_stream ();
100 readln_initialize ();
102 terminal_check_size ();
105 the_dataset = create_dataset ();
107 parser = argv_parser_create ();
108 terminal_opts = terminal_opts_init (parser, &syntax_mode, &process_statrc);
109 source_init_register_argv_parser (parser, the_source_stream);
110 if (!argv_parser_run (parser, argc, argv))
112 terminal_opts_done (terminal_opts, argc, argv);
113 argv_parser_destroy (parser);
115 msg_ui_init (the_source_stream);
117 /* Add syntax files to source stream. */
120 char *rc = fn_search_path ("rc", getl_include_path (the_source_stream));
123 add_syntax_file (the_source_stream, GETL_BATCH, rc);
131 for (i = optind; i < argc; i++)
132 add_syntax_file (the_source_stream, syntax_mode, argv[i]);
135 add_syntax_file (the_source_stream, syntax_mode, "-");
137 /* Parse and execute syntax. */
138 the_lexer = lex_create (the_source_stream);
141 int result = cmd_parse (the_lexer, the_dataset);
143 if (result == CMD_EOF || result == CMD_FINISH)
145 if (result == CMD_CASCADING_FAILURE &&
146 !getl_is_interactive (the_source_stream))
148 msg (SE, _("Stopping syntax file processing here to avoid "
149 "a cascade of dependent command failures."));
150 getl_abort_noninteractive (the_source_stream);
152 else if (msg_ui_too_many_errors ())
153 getl_abort_noninteractive (the_source_stream);
158 return msg_ui_any_errors ();
164 #if HAVE_FEHOLDEXCEPT
167 #elif HAVE___SETFPUCW && defined(_FPU_IEEE)
168 __setfpucw (_FPU_IEEE);
174 /* If a segfault happens, issue a message to that effect and halt */
178 /* Reset SIG to its default handling so that if it happens again we won't
180 signal (sig, SIG_DFL);
188 request_bug_report("Assertion Failure/Abort");
191 request_bug_report("Floating Point Exception");
194 request_bug_report("Segmentation Violation");
197 request_bug_report("Unknown");
201 /* Re-raise the signal so that we terminate with the correct status. */
205 /* Clean up PSPP in preparation for termination. */
209 static bool terminating = false;
214 destroy_dataset (the_dataset);
219 lex_destroy (the_lexer);
220 destroy_source_stream (the_source_stream);
222 readln_uninitialize ();
230 add_syntax_file (struct source_stream *ss, enum syntax_mode syntax_mode,
231 const char *file_name)
233 struct getl_interface *source;
235 source = (!strcmp (file_name, "-") && isatty (STDIN_FILENO)
236 ? create_readln_source ()
237 : create_syntax_file_source (file_name));
238 getl_append_source (ss, source, syntax_mode, ERRMODE_CONTINUE);