void msg_location_destroy (struct msg_location *);
struct msg_location *msg_location_dup (const struct msg_location *);
+void msg_location_merge (struct msg_location **, const struct msg_location *);
+
bool msg_location_is_empty (const struct msg_location *);
void msg_location_format (const struct msg_location *, struct string *);
char *msg_to_string (const struct msg *);
/* Emitting messages. */
-void vmsg (enum msg_class class, const char *format, va_list args)
- PRINTF_FORMAT (2, 0);
+void vmsg (enum msg_class, const struct msg_location *,
+ const char *format, va_list args)
+ PRINTF_FORMAT (3, 0);
void msg (enum msg_class, const char *format, ...)
PRINTF_FORMAT (2, 3);
+void msg_at (enum msg_class, const struct msg_location *,
+ const char *format, ...)
+ PRINTF_FORMAT (3, 4);
void msg_emit (struct msg *);
void msg_error (int errnum, const char *format, ...)