X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmain.c;h=d52741d1bd8605c35c73daf67f09fa541d933d3c;hb=6d2a8977cc6a54e9e2278467f2af3d5ae277cd43;hp=e0f7f6a73b431efbe1bcc72830fcf9ba02a64f0a;hpb=73d0e3cb5a4e99b5d46ea0ca2af5e8cdbaf445bc;p=pspp diff --git a/src/main.c b/src/main.c index e0f7f6a73b..d52741d1bd 100644 --- a/src/main.c +++ b/src/main.c @@ -14,36 +14,63 @@ 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 +#include "main.h" +#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" + +#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 -#undef DEBUGGING -/*#define DEBUGGING 1*/ #include "debug-print.h" -static void parse_script (void) __attribute__ ((noreturn)); +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). */ @@ -53,44 +80,71 @@ int start_interactive; int main (int argc, char **argv) { - void init_glob (int, char **); /* Exported by glob.c. */ - void parse_command_line (int, char **); /* Exported by cmdline.c */ + signal (SIGSEGV, bug_handler); + signal (SIGFPE, bug_handler); + signal (SIGINT, interrupt_handler); - /* 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.")); + set_program_name ("pspp"); + i18n_init (); + fpu_init (); + gsl_set_error_handler_off (); - lex_init (); - cmd_init (); + outp_init (); + fn_init (); + fh_init (); + getl_initialize (); + readln_initialize (); + settings_init (); + random_init (); - /* Execution. */ - parse_script (); + default_dict = dict_create (); - /* Should never be reached */ - return (-1); -} + parse_command_line (argc, argv); + outp_read_devices (); + + 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. @@ -103,13 +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 @@ -146,12 +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) +{ + 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); }