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/* Data structures and API for event locations in GDB.
Copyright (C) 2013-2015 Free Software Foundation, Inc.
This file is part of GDB.
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef LOCATIONS_H
#define LOCATIONS_H 1
struct language_defn;
struct event_location;
/* An enumeration of the various ways to specify a stop event
location (used with create_breakpoint). */
enum event_location_type
{
/* A traditional linespec. */
LINESPEC_LOCATION
};
/* Return the type of the given event location. */
extern enum event_location_type
event_location_type (const struct event_location *);
/* Return a string representation of the LOCATION.
This function may return NULL for unspecified linespecs,
e.g, LOCATION_LINESPEC and addr_string is NULL.
The result is cached in LOCATION. */
extern const char *
event_location_to_string (struct event_location *location);
/* Create a new linespec location. The return result is malloc'd
and should be freed with delete_event_location. */
extern struct event_location *
new_linespec_location (char **linespec);
/* Return the linespec location (a string) of the given event_location
(which must be of type LINESPEC_LOCATION). */
extern const char *
get_linespec_location (const struct event_location *location);
/* Free an event location and any associated data. */
extern void delete_event_location (struct event_location *location);
/* Make a cleanup to free LOCATION. */
extern struct cleanup *
make_cleanup_delete_event_location (struct event_location *location);
/* Return a copy of the given SRC location. */
extern struct event_location *
copy_event_location (const struct event_location *src);
/* Attempt to convert the input string in *ARGP into an event_location.
ARGP is advanced past any processed input. Returns an event_location
(malloc'd) if an event location was successfully found in *ARGP,
NULL otherwise.
This function may call error() if *ARGP looks like properly formed,
but invalid, input, e.g., if it is called with missing argument parameters
or invalid options.
The return result must be freed with delete_event_location. */
extern struct event_location *
string_to_event_location (char **argp,
const struct language_defn *langauge);
/* A convenience function for testing for unset locations. */
extern int event_location_empty_p (const struct event_location *location);
/* Set the location's string representation. If STRING is NULL, clear
the string representation. */
extern void
set_event_location_string (struct event_location *location,
const char *string);
#endif /* LOCATIONS_H */
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