diff options
Diffstat (limited to 'gdb/cli/cli-utils.c')
-rw-r--r-- | gdb/cli/cli-utils.c | 64 |
1 files changed, 36 insertions, 28 deletions
diff --git a/gdb/cli/cli-utils.c b/gdb/cli/cli-utils.c index 133ac53..2cce068 100644 --- a/gdb/cli/cli-utils.c +++ b/gdb/cli/cli-utils.c @@ -117,19 +117,25 @@ get_number (char **pp) /* See documentation in cli-utils.h. */ -int -get_number_or_range (char **pp) +void +init_number_or_range (struct get_number_or_range_state *state, + char *string) { - static int last_retval, end_value; - static char *end_ptr; - static int in_range = 0; + memset (state, 0, sizeof (*state)); + state->string = string; +} + +/* See documentation in cli-utils.h. */ - if (**pp != '-') +int +get_number_or_range (struct get_number_or_range_state *state) +{ + if (*state->string != '-') { - /* Default case: pp is pointing either to a solo number, - or to the first number of a range. */ - last_retval = get_number_trailer (pp, '-'); - if (**pp == '-') + /* Default case: state->string is pointing either to a solo + number, or to the first number of a range. */ + state->last_retval = get_number_trailer (&state->string, '-'); + if (*state->string == '-') { char **temp; @@ -137,44 +143,43 @@ get_number_or_range (char **pp) Skip the '-', parse and remember the second number, and also remember the end of the final token. */ - temp = &end_ptr; - end_ptr = *pp + 1; - while (isspace ((int) *end_ptr)) - end_ptr++; /* skip white space */ - end_value = get_number (temp); - if (end_value < last_retval) + temp = &state->end_ptr; + state->end_ptr = skip_spaces (state->string + 1); + state->end_value = get_number (temp); + if (state->end_value < state->last_retval) { error (_("inverted range")); } - else if (end_value == last_retval) + else if (state->end_value == state->last_retval) { /* Degenerate range (number1 == number2). Advance the token pointer so that the range will be treated as a single number. */ - *pp = end_ptr; + state->string = state->end_ptr; } else - in_range = 1; + state->in_range = 1; } } - else if (! in_range) + else if (! state->in_range) error (_("negative value")); else { - /* pp points to the '-' that betokens a range. All + /* state->string points to the '-' that betokens a range. All number-parsing has already been done. Return the next integer value (one greater than the saved previous value). - Do not advance the token pointer 'pp' until the end of range + Do not advance the token pointer until the end of range is reached. */ - if (++last_retval == end_value) + if (++state->last_retval == state->end_value) { /* End of range reached; advance token pointer. */ - *pp = end_ptr; - in_range = 0; + state->string = state->end_ptr; + state->in_range = 0; } } - return last_retval; + state->finished = *state->string == '\0'; + return state->last_retval; } /* Accept a number and a string-form list of numbers such as is @@ -188,12 +193,15 @@ get_number_or_range (char **pp) int number_is_in_list (char *list, int number) { + struct get_number_or_range_state state; + if (list == NULL || *list == '\0') return 1; - while (*list != '\0') + init_number_or_range (&state, list); + while (!state.finished) { - int gotnum = get_number_or_range (&list); + int gotnum = get_number_or_range (&state); if (gotnum == 0) error (_("Args must be numbers or '$' variables.")); |