1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
34 #include "debug-print.h"
36 static void parse_script (void) __attribute__ ((noreturn));
37 static void handle_error (int code);
38 static int execute_command (void);
40 /* argv[0] with stripped leading directories. */
43 /* Whether FINISH. has been executed. */
46 /* The current date in the form DD MMM YYYY. */
49 /* Whether we're dropping down to interactive mode immediately because
50 we hit end-of-file unexpectedly (or whatever). */
51 int start_interactive;
53 /* Program entry point. */
55 main (int argc, char **argv)
60 init_glob (argc, argv);
61 parse_command_line (argc, argv);
62 if (!outp_read_devices ())
63 msg (FE, _("Error initializing output drivers."));
71 /* Should never be reached */
75 /* Parses the entire script. */
82 handle_error (execute_command ());
85 err_hcf (err_error_count==0);
88 /* Parse and execute a command, returning its return code. */
90 execute_command (void)
92 /* Read the command's first token.
93 We may hit end of file.
94 If so, give the line reader a chance to proceed to the next file.
95 End of file is not handled transparently since the user may want
96 the dictionary cleared between files. */
97 getl_prompt = GETL_PRPT_STANDARD;
104 if (!getl_perform_delayed_reset ())
105 err_hcf (err_error_count==0);
108 /* Parse the command. */
109 getl_prompt = GETL_PRPT_CONTINUATION;
113 /* Print an error message corresponding to the command return code
116 handle_error (int code)
124 msg (SW, _("This command not executed."));
127 case CMD_PART_SUCCESS_MAYBE:
128 msg (SW, _("Skipping the rest of this command. Part of "
129 "this command may have been executed."));
132 case CMD_PART_SUCCESS:
133 msg (SW, _("Skipping the rest of this command. This "
134 "command was fully executed up to this point."));
137 case CMD_TRAILING_GARBAGE:
138 msg (SW, _("Trailing garbage was encountered following "
139 "this command. The command was fully executed "
147 if (getl_reading_script)
150 while (token != T_STOP && token != '.')