gdb/cli/cli-setshow.h

   1 /* Header file for GDB CLI set and show commands implementation.
   2    Copyright (C) 2000-2021 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #ifndef CLI_CLI_SETSHOW_H
  18 #define CLI_CLI_SETSHOW_H
  19
  20 #include <string>
  21
  22 struct cmd_list_element;
  23
  24 /* Parse ARG, an option to a boolean variable.
  25    Returns 1 for true, 0 for false, and -1 if invalid.  */
  26 extern int parse_cli_boolean_value (const char *arg);
  27
  28 /* Same as above, but work with a pointer to pointer.  ARG is advanced
  29    past a successfully parsed value.  */
  30 extern int parse_cli_boolean_value (const char **arg);
  31
  32 /* Parse ARG, an option to a var_uinteger or var_zuinteger variable.
  33    Either returns the parsed value on success or throws an error.  If
  34    EXPRESSION is true, *ARG is parsed as an expression; otherwise, it
  35    is parsed with get_ulongest.  It's not possible to parse the
  36    integer as an expression when there may be valid input after the
  37    integer, such as when parsing command options.  E.g., "print
  38    -elements NUMBER -obj --".  In such case, parsing as an expression
  39    would parse "-obj --" as part of the expression as well.  */
  40 extern unsigned int parse_cli_var_uinteger (var_types var_type,
  41                                             const char **arg,
  42                                             bool expression);
  43
  44 /* Like parse_cli_var_uinteger, for var_zuinteger_unlimited.  */
  45 extern int parse_cli_var_zuinteger_unlimited (const char **arg,
  46                                               bool expression);
  47
  48 /* Parse ARG, an option to a var_enum variable.  ENUM is a
  49    null-terminated array of possible values. Either returns the parsed
  50    value on success or throws an error.  ARG is advanced past the
  51    parsed value.  */
  52 const char *parse_cli_var_enum (const char **args,
  53                                 const char *const *enums);
  54
  55 extern void do_set_command (const char *arg, int from_tty,
  56                             struct cmd_list_element *c);
  57 extern void do_show_command (const char *arg, int from_tty,
  58                              struct cmd_list_element *c);
  59
  60 /* Get a string version of C's current value.  */
  61 extern std::string get_setshow_command_value_string (const cmd_list_element *c);
  62
  63 extern void cmd_show_list (struct cmd_list_element *list, int from_tty);
  64
  65 #endif /* CLI_CLI_SETSHOW_H */