/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
Written by Ben Pfaff <blp@gnu.org>.
This program is free software; you can redistribute it and/or
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
-#if !error_h
-#define error_h 1
+#ifndef MESSAGE_H
+#define MESSAGE_H 1
#include <stdarg.h>
#include <stdbool.h>
-#include "compiler.h"
-
-/* Message classes. */
-enum msg_class
- {
- ME, MW, MN, /* General error/warning/note. */
- SE, SW, SN, /* Script error/warning/note. */
- DE, DW, DN, /* Data-file error/note. */
- MSG_CLASS_CNT,
- };
+#include <libpspp/compiler.h>
/* What kind of message is this? */
enum msg_category
MSG_NOTE
};
+/* Combination of a category and a severity for convenience. */
+enum msg_class
+ {
+ ME, MW, MN, /* General error/warning/note. */
+ SE, SW, SN, /* Script error/warning/note. */
+ DE, DW, DN, /* Data-file error/note. */
+ MSG_CLASS_CNT,
+ };
+
+
static inline enum msg_category
msg_class_to_category (enum msg_class class)
{
}
/* A file location. */
-struct file_locator
+struct msg_locator
{
const char *file_name; /* File name. */
int line_number; /* Line number. */
};
-/* An error message. */
-struct error
+/* A message. */
+struct msg
{
enum msg_category category; /* Message category. */
enum msg_severity severity; /* Message severity. */
- struct file_locator where; /* File location, or (NULL, -1). */
+ struct msg_locator where; /* File location, or (NULL, -1). */
char *text; /* Error text. */
};
-/* Number of errors, warnings reported. */
-extern int err_error_count;
-extern int err_warning_count;
+struct source_stream ;
+
+/* Initialization. */
+void msg_init (struct source_stream *, void (*handler) (const struct msg *) );
-/* If number of allowable errors/warnings is exceeded, then a message
- is displayed and this flag is set to suppress subsequent
- messages. */
-extern int err_already_flagged;
+void msg_done (void);
-/* Nonnegative verbosity level. Higher value == more verbose. */
-extern int err_verbosity;
+struct msg * msg_dup(const struct msg *m);
+void msg_destroy(struct msg *m);
/* Emitting messages. */
void msg (enum msg_class, const char *format, ...)
PRINTF_FORMAT (2, 3);
-void err_msg (const struct error *);
-
-void verbose_msg (int level, const char *format, ...)
- PRINTF_FORMAT (2, 3);
-
-/* File-locator stack. */
-void err_push_file_locator (const struct file_locator *);
-void err_pop_file_locator (const struct file_locator *);
-void err_location (struct file_locator *);
-
-/* Obscure functions. */
-void err_set_command_name (const char *);
-void err_done (void);
-void err_check_count (void);
-
-/* Used in panic situations only */
-void request_bug_report_and_abort(const char *msg );
-
-void err_assert_fail(const char *expr, const char *file, int line);
+void msg_emit (struct msg *);
-#undef __STRING
-#define __STRING(x) #x
-#undef assert
+/* Enable and disable messages. */
+void msg_enable (void);
+void msg_disable (void);
-
-#define assert(expr) ( (void) ( expr ? (void) 0 : \
- err_assert_fail(__STRING(expr), __FILE__, __LINE__)) )
+/* Error context. */
+void msg_set_command_name (const char *);
+const char *msg_get_command_name (void);
+void msg_push_msg_locator (const struct msg_locator *);
+void msg_pop_msg_locator (const struct msg_locator *);
+/* Used in panic situations only. */
+void request_bug_report_and_abort (const char *msg) NO_RETURN;
-#endif /* error.h */
+#endif /* message.h */