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/* CLI utilities.
Copyright (c) 2011 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 CLI_UTILS_H
#define CLI_UTILS_H
/* *PP is a string denoting a number. Get the number of the. Advance
*PP after the string and any trailing whitespace.
Currently the string can either be a number, or "$" followed by the
name of a convenience variable, or ("$" or "$$") followed by digits. */
extern int get_number (char **);
/* Parse a number or a range.
A number will be of the form handled by get_number.
A range will be of the form <number1> - <number2>, and
will represent all the integers between number1 and number2,
inclusive.
While processing a range, this fuction is called iteratively;
At each call it will return the next value in the range.
At the beginning of parsing a range, the char pointer PP will
be advanced past <number1> and left pointing at the '-' token.
Subsequent calls will not advance the pointer until the range
is completed. The call that completes the range will advance
pointer PP past <number2>. */
extern int get_number_or_range (char **);
/* Accept a number and a string-form list of numbers such as is
accepted by get_number_or_range. Return TRUE if the number is
in the list.
By definition, an empty list includes all numbers. This is to
be interpreted as typing a command such as "delete break" with
no arguments. */
extern int number_is_in_list (char *list, int number);
/* Skip leading whitespace characters in INP, returning an updated
pointer. If INP is NULL, return NULL. */
extern char *skip_spaces (char *inp);
/* Skip leading non-whitespace characters in INP, returning an updated
pointer. If INP is NULL, return NULL. */
extern char *skip_to_space (char *inp);
#endif /* CLI_UTILS_H */
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