X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fmessage.c;h=8bd6af956ddf55153df8cbbf11c4220f24a0c450;hb=7d34380bb2fddca820a6f414564738cc2f70afc9;hp=6bc8344a4d06bfb40b3b21a8d46fe8057366a9b3;hpb=a55b554c0479168ef3e4879fe0fa517f7ca4def7;p=pspp diff --git a/src/libpspp/message.c b/src/libpspp/message.c index 6bc8344a4d..8bd6af956d 100644 --- a/src/libpspp/message.c +++ b/src/libpspp/message.c @@ -1,42 +1,47 @@ -/* PSPP - computes sample statistics. - Copyright (C) 1997-9, 2000 Free Software Foundation, Inc. - Written by Ben Pfaff . +/* PSPP - a program for statistical analysis. + Copyright (C) 1997-9, 2000, 2006, 2009, 2010 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. 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., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. */ + along with this program. If not, see . */ #include -#include +#include "message.h" +#include "msg-locator.h" +#include #include #include #include #include +#include -#include +#include #include +#include -#include "progname.h" -#include "xvasprintf.h" +#include "gl/progname.h" +#include "gl/xalloc.h" +#include "gl/xvasprintf.h" -/* Current command name as set by msg_set_command_name(). */ -static char *command_name; +#include "gettext.h" +#define _(msgid) gettext (msgid) /* Message handler as set by msg_init(). */ -static void (*msg_handler) (const struct msg *); +static void (*msg_handler) (const struct msg *); + +/* Disables emitting messages if positive. */ +static int messages_disabled; /* Public functions. */ @@ -50,128 +55,286 @@ msg (enum msg_class class, const char *format, ...) m.category = msg_class_to_category (class); m.severity = msg_class_to_severity (class); - msg_location (&m.where); va_start (args, format); m.text = xvasprintf (format, args); + m.where.file_name = NULL; + m.where.line_number = 0; + m.where.first_column = 0; + m.where.last_column = 0; va_end (args); msg_emit (&m); } +static struct source_stream *s_stream; + void -msg_init (void (*handler) (const struct msg *)) +msg_init (struct source_stream *ss, void (*handler) (const struct msg *) ) { + s_stream = ss; msg_handler = handler; } void -msg_done (void) +msg_done (void) { } - + +/* Working with messages. */ /* Duplicate a message */ -struct msg * -msg_dup(const struct msg *m) +struct msg * +msg_dup (const struct msg *m) { - struct msg *new_msg = xmalloc (sizeof *m); + struct msg *new_msg; - *new_msg = *m; - new_msg->text = strdup(m->text); + new_msg = xmemdup (m, sizeof *m); + if (m->where.file_name != NULL) + new_msg->where.file_name = xstrdup (m->where.file_name); + new_msg->text = xstrdup (m->text); return new_msg; } +/* Frees a message created by msg_dup(). + + (Messages not created by msg_dup(), as well as their where.file_name + members, are typically not dynamically allocated, so this function should + not be used to destroy them.) */ void -msg_destroy(struct msg *m) +msg_destroy (struct msg *m) +{ + free (m->where.file_name); + free (m->text); + free (m); +} + +char * +msg_to_string (const struct msg *m, const char *command_name) { - free(m->text); - free(m); + const char *label; + struct string s; + + ds_init_empty (&s); + + if (m->category != MSG_C_GENERAL + && (m->where.file_name + || m->where.line_number > 0 + || m->where.first_column > 0)) + { + if (m->where.file_name) + ds_put_format (&s, "%s", m->where.file_name); + if (m->where.line_number > 0) + { + if (!ds_is_empty (&s)) + ds_put_char (&s, ':'); + ds_put_format (&s, "%d", m->where.line_number); + } + if (m->where.first_column > 0) + { + ds_put_format (&s, ".%d", m->where.first_column); + if (m->where.last_column > m->where.first_column + 1) + ds_put_format (&s, "-%d", m->where.last_column - 1); + } + ds_put_cstr (&s, ": "); + } + + switch (m->severity) + { + case MSG_S_ERROR: + label = _("error"); + break; + case MSG_S_WARNING: + label = _("warning"); + break; + case MSG_S_NOTE: + default: + label = _("note"); + break; + } + ds_put_format (&s, "%s: ", label); + + if (m->category == MSG_C_SYNTAX && command_name != NULL) + ds_put_format (&s, "%s: ", command_name); + + ds_put_cstr (&s, m->text); + + return ds_cstr (&s); +} + + +/* Number of messages reported, by severity level. */ +static int counts[MSG_N_SEVERITIES]; + +/* True after the maximum number of errors or warnings has been exceeded. */ +static bool too_many_errors; + +/* True after the maximum number of notes has been exceeded. */ +static bool too_many_notes; + +/* True iff warnings have been explicitly disabled (MXWARNS = 0) */ +static bool warnings_off = false; + +/* Checks whether we've had so many errors that it's time to quit + processing this syntax file. */ +bool +msg_ui_too_many_errors (void) +{ + return too_many_errors; +} + +void +msg_ui_disable_warnings (bool x) +{ + warnings_off = x; +} + + +void +msg_ui_reset_counts (void) +{ + int i; + + for (i = 0; i < MSG_N_SEVERITIES; i++) + counts[i] = 0; + too_many_errors = false; + too_many_notes = false; +} + +bool +msg_ui_any_errors (void) +{ + return counts[MSG_S_ERROR] > 0; +} + +static void +submit_note (char *s) +{ + struct msg m; + + m.category = MSG_C_GENERAL; + m.severity = MSG_S_NOTE; + m.where.file_name = NULL; + m.where.line_number = 0; + m.where.first_column = 0; + m.where.last_column = 0; + m.text = s; + msg_handler (&m); + free (s); +} + + + +static void +process_msg (const struct msg *m) +{ + int n_msgs, max_msgs; + + + if (too_many_errors + || (too_many_notes && m->severity == MSG_S_NOTE) + || (warnings_off && m->severity == MSG_S_WARNING) ) + return; + + msg_handler (m); + + counts[m->severity]++; + max_msgs = settings_get_max_messages (m->severity); + n_msgs = counts[m->severity]; + if (m->severity == MSG_S_WARNING) + n_msgs += counts[MSG_S_ERROR]; + if (n_msgs > max_msgs) + { + if (m->severity == MSG_S_NOTE) + { + too_many_notes = true; + submit_note (xasprintf (_("Notes (%d) exceed limit (%d). " + "Suppressing further notes."), + n_msgs, max_msgs)); + } + else + { + too_many_errors = true; + if (m->severity == MSG_S_WARNING) + submit_note (xasprintf (_("Warnings (%d) exceed limit (%d). Syntax processing will be halted."), + n_msgs, max_msgs)); + else + submit_note (xasprintf (_("Errors (%d) exceed limit (%d). Syntax processing will be halted."), + n_msgs, max_msgs)); + } + } } /* Emits M as an error message. Frees allocated data in M. */ void -msg_emit (struct msg *m) +msg_emit (struct msg *m) { - msg_handler (m); + if ( s_stream ) + { + struct msg_locator loc; + + get_msg_location (s_stream, &loc); + m->where.file_name = loc.file_name; + m->where.line_number = loc.line_number; + } + else + { + m->where.file_name = NULL; + m->where.line_number = 0; + } + + if (!messages_disabled) + process_msg (m); + free (m->text); } + +/* Disables message output until the next call to msg_enable. If + this function is called multiple times, msg_enable must be + called an equal number of times before messages are actually + re-enabled. */ +void +msg_disable (void) +{ + messages_disabled++; +} + +/* Enables message output that was disabled by msg_disable. */ +void +msg_enable (void) +{ + assert (messages_disabled > 0); + messages_disabled--; +} /* Private functions. */ -/* Sets COMMAND_NAME as the command name included in some kinds - of error messages. */ void -msg_set_command_name (const char *command_name_) -{ - free (command_name); - command_name = command_name_ ? xstrdup (command_name_) : NULL; -} - -/* Returns the current command name, or NULL if none. */ -const char * -msg_get_command_name (void) -{ - return command_name; -} - -void -request_bug_report_and_abort(const char *msg ) -{ - 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" - "compiler version: %s\n" - , - - bare_version, - version, - stat_version, - host_system, - build_system, - default_config_path, - include_path, - groff_font_path, - locale_dir, +request_bug_report_and_abort (const char *msg) +{ + fprintf (stderr, "******************************************************\n"); + fprintf (stderr, "You have discovered a bug in PSPP. Please report this\n"); + fprintf (stderr, "to " PACKAGE_BUGREPORT ". Please include this entire\n"); + fprintf (stderr, "message, *plus* several lines of output just above it.\n"); + fprintf (stderr, "For the best chance at having the bug fixed, also\n"); + fprintf (stderr, "include the syntax file that triggered it and a sample\n"); + fprintf (stderr, "of any data file used for input.\n"); + fprintf (stderr, "proximate cause: %s\n", msg); + fprintf (stderr, "version: %s\n", stat_version); + fprintf (stderr, "host_system: %s\n", host_system); + fprintf (stderr, "build_system: %s\n", build_system); + fprintf (stderr, "locale_dir: %s\n", locale_dir); + fprintf (stderr, "compiler version: %s\n", #ifdef __VERSION__ - __VERSION__ + __VERSION__ #else - "Unknown" + "Unknown" #endif - ); - - if ( msg ) - fprintf(stderr,"Diagnosis: %s\n",msg); - - fprintf(stderr, - "******************************************************************\n"); + ); + fprintf (stderr, "******************************************************\n"); - abort(); -} - -void -msg_assert_fail(const char *expr, const char *file, int line) -{ - char msg[256]; - snprintf(msg,256,"Assertion failed: %s:%d; (%s)",file,line,expr); - request_bug_report_and_abort( msg ); + _exit (EXIT_FAILURE); }