diff options
Diffstat (limited to 'gdb/cli/cli-utils.h')
| -rw-r--r-- | gdb/cli/cli-utils.h | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/gdb/cli/cli-utils.h b/gdb/cli/cli-utils.h index 09240d0..2954c46 100644 --- a/gdb/cli/cli-utils.h +++ b/gdb/cli/cli-utils.h @@ -28,6 +28,40 @@ extern int get_number (char **); +/* An object of this type is passed to get_number_or_range. It must + be initialized by calling init_number_or_range. This type is + defined here so that it can be stack-allocated, but all members + other than `finished' and `string' should be treated as opaque. */ + +struct get_number_or_range_state +{ + /* Non-zero if parsing has completed. */ + int finished; + + /* The string being parsed. When parsing has finished, this points + past the last parsed token. */ + char *string; + + /* Last value returned. */ + int last_retval; + + /* When parsing a range, the final value in the range. */ + int end_value; + + /* When parsing a range, a pointer past the final token in the + range. */ + char *end_ptr; + + /* Non-zero when parsing a range. */ + int in_range; +}; + +/* Initialize a get_number_or_range_state for use with + get_number_or_range_state. STRING is the string to be parsed. */ + +extern void init_number_or_range (struct get_number_or_range_state *state, + char *string); + /* 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 @@ -37,13 +71,13 @@ extern int get_number (char **); 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 + At the beginning of parsing a range, the char pointer STATE->string 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>. */ + the pointer past <number2>. */ -extern int get_number_or_range (char **); +extern int get_number_or_range (struct get_number_or_range_state *state); /* 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 |