X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmain.c;h=d52741d1bd8605c35c73daf67f09fa541d933d3c;hb=1e06be73a426544652cdd7d73f001c962bac1a34;hp=c747287c715fededddc1250a247d02e3acf1e01c;hpb=099ddc0edbb76ea7530a9a0cab0c9e6ce4293a55;p=pspp diff --git a/src/main.c b/src/main.c index c747287c71..d52741d1bd 100644 --- a/src/main.c +++ b/src/main.c @@ -14,44 +14,64 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ #include #include "main.h" -#include +#include +#include #include #include "cmdline.h" #include "command.h" +#include "dictionary.h" #include "error.h" -#include "getline.h" +#include "file-handle-def.h" +#include "filename.h" +#include "getl.h" #include "glob.h" #include "lexer.h" #include "output.h" +#include "progname.h" +#include "random.h" +#include "readln.h" +#include "settings.h" +#include "var.h" #include "version.h" -#include + +#if HAVE_FPU_CONTROL_H +#include +#endif + +#if HAVE_LOCALE_H +#include +#endif + +#if HAVE_FENV_H +#include +#endif + +#include "gettext.h" +#define _(msgid) gettext (msgid) #include #include "debug-print.h" -static void parse_script (void) NO_RETURN; +static void i18n_init (void); +static void fpu_init (void); static void handle_error (int code); static int execute_command (void); -/* argv[0] with stripped leading directories. */ -char *pgmname; - /* Whether FINISH. has been executed. */ int finished; -/* The current date in the form DD MMM YYYY. */ -char curdate[12]; - - /* If a segfault happens, issue a message to that effect and halt */ void bug_handler(int sig); +/* Handle quit/term/int signals */ +void interrupt_handler(int sig); + /* Whether we're dropping down to interactive mode immediately because we hit end-of-file unexpectedly (or whatever). */ int start_interactive; @@ -60,46 +80,71 @@ int start_interactive; int main (int argc, char **argv) { - struct sigaction bug ; - bug.sa_handler = bug_handler; + signal (SIGSEGV, bug_handler); + signal (SIGFPE, bug_handler); + signal (SIGINT, interrupt_handler); - sigaction(SIGSEGV, &bug,0); + set_program_name ("pspp"); + i18n_init (); + fpu_init (); + gsl_set_error_handler_off (); - /* Initialization. */ - if (!outp_init ()) - err_hcf (0); - init_glob (argc, argv); - parse_command_line (argc, argv); - if (!outp_read_devices ()) - msg (FE, _("Error initializing output drivers.")); + outp_init (); + fn_init (); + fh_init (); + getl_initialize (); + readln_initialize (); + settings_init (); + random_init (); - lex_init (); - cmd_init (); + default_dict = dict_create (); - /* Execution. */ - parse_script (); + parse_command_line (argc, argv); + outp_read_devices (); - /* Should never be reached */ - return (-1); -} + lex_init (); -/* Parses the entire script. */ -static void -parse_script (void) -{ while (!finished) { err_check_count (); handle_error (execute_command ()); } - err_hcf (err_error_count==0); + terminate (err_error_count == 0); + abort (); +} + +/* Terminate PSPP. SUCCESS should be true to exit successfully, + false to exit as a failure. */ +void +terminate (bool success) +{ + static bool terminating = false; + if (terminating) + return; + terminating = true; + + err_done (); + outp_done (); + + cancel_transformations (); + dict_destroy (default_dict); + + random_done (); + settings_done (); + fh_done (); + lex_done (); + getl_uninitialize (); + + exit (success ? EXIT_SUCCESS : EXIT_FAILURE); } /* Parse and execute a command, returning its return code. */ static int execute_command (void) { + int result; + /* Read the command's first token. We may hit end of file. If so, give the line reader a chance to proceed to the next file. @@ -112,13 +157,30 @@ execute_command (void) if (token != T_STOP) break; - if (!getl_perform_delayed_reset ()) - err_hcf (err_error_count==0); + /* Sets the options flag of the current script to 0, thus allowing it + to be read in. Returns nonzero if this action was taken, zero + otherwise. */ + if (getl_head && getl_head->separate) + { + getl_head->separate = 0; + discard_variables (); + lex_reset_eof (); + } + else + terminate (err_error_count == 0); } /* Parse the command. */ getl_prompt = GETL_PRPT_CONTINUATION; - return cmd_parse (); + result = cmd_parse (); + + /* Unset the /ALGORITHM subcommand if it was used */ + unset_cmd_algorithm (); + + /* Clear any auxiliary data from the dictionary. */ + dict_clear_aux (default_dict); + + return result; } /* Print an error message corresponding to the command return code @@ -155,52 +217,64 @@ handle_error (int code) assert (0); } - if (getl_reading_script) + if (getl_reading_script()) { err_break (); while (token != T_STOP && token != '.') lex_get (); } - else - lex_discard_line (); + else + { + msg (SW, _("The rest of this command has been discarded.")); + lex_discard_line (); + } +} + +static void +i18n_init (void) +{ +#if ENABLE_NLS +#if HAVE_LC_MESSAGES + setlocale (LC_MESSAGES, ""); +#endif + setlocale (LC_MONETARY, ""); + bindtextdomain (PACKAGE, locale_dir); + textdomain (PACKAGE); +#endif /* ENABLE_NLS */ } - +static void +fpu_init (void) +{ +#if HAVE_FEHOLDEXCEPT + fenv_t foo; + feholdexcept (&foo); +#elif HAVE___SETFPUCW && defined(_FPU_IEEE) + __setfpucw (_FPU_IEEE); +#endif +} /* If a segfault happens, issue a message to that effect and halt */ void -bug_handler(int sig UNUSED) +bug_handler(int sig) { - fprintf(stderr, - "******************************************************************\n" - "You have discovered a bug in PSPP.\n\n" - " Please report this, by sending " - "an email to " PACKAGE_BUGREPORT ",\n" - "explaining what you were doing when this happened, and including\n" - "a sample of your input file which caused it.\n"); - - fprintf(stderr, - "Also, please copy the following lines into your bug report:\n\n" - "bare_version: %s\n" - "version: %s\n" - "stat_version: %s\n" - "host_system: %s\n" - "build_system: %s\n" - "default_config_path: %s\n" - "include_path: %s\n" - "groff_font_path: %s\n" - "locale_dir: %s\n" - "******************************************************************\n", - bare_version, - version, - stat_version, - host_system, - build_system, - default_config_path, - include_path, - groff_font_path, - locale_dir); - - exit(-1); + switch (sig) + { + case SIGFPE: + request_bug_report_and_abort("Floating Point Exception"); + break; + case SIGSEGV: + request_bug_report_and_abort("Segmentation Violation"); + break; + default: + request_bug_report_and_abort(""); + break; + } } + +void +interrupt_handler(int sig UNUSED) +{ + terminate (false); +}