diff options
Diffstat (limited to 'gdb/command.h')
| -rw-r--r-- | gdb/command.h | 84 |
1 files changed, 50 insertions, 34 deletions
diff --git a/gdb/command.h b/gdb/command.h index d6e94b9..bcd3882 100644 --- a/gdb/command.h +++ b/gdb/command.h @@ -180,15 +180,31 @@ inline bool var_type_uses<const char *> (var_types t) return t == var_enum; } -/* Function signature for a callback used to get a value from a setting. */ +template<bool is_scalar, typename T> struct setting_func_types_1; template<typename T> -using setting_getter_ftype = const T &(*) (); +struct setting_func_types_1<true, T> +{ + using type = T; + using set = void (*) (type); + using get = type (*) (); +}; -/* Function signature for a callback used to set a value to a setting. */ +template<typename T> +struct setting_func_types_1<false, T> +{ + using type = const T &; + using set = void (*) (type); + using get = type (*) (); +}; template<typename T> -using setting_setter_ftype = void (*) (const T &); +struct setting_func_types +{ + using type = typename setting_func_types_1<std::is_scalar<T>::value, T>::type; + using set = typename setting_func_types_1<std::is_scalar<T>::value, T>::set; + using get = typename setting_func_types_1<std::is_scalar<T>::value, T>::get; +}; /* Generic/type-erased function pointer. */ @@ -224,8 +240,8 @@ struct setting template<typename T> static erased_args erase_args (var_types var_type, T *var, - setting_setter_ftype<T> set_setting_func, - setting_getter_ftype<T> get_setting_func) + typename setting_func_types<T>::set set_setting_func, + typename setting_func_types<T>::get get_setting_func) { gdb_assert (var_type_uses<T> (var_type)); /* The getter and the setter must be both provided or both omitted. */ @@ -259,8 +275,8 @@ struct setting Type T must match the var type VAR_TYPE (see VAR_TYPE_USES). */ template<typename T> setting (var_types var_type, - setting_setter_ftype<T> setter, - setting_getter_ftype<T> getter) + typename setting_func_types<T>::set setter, + typename setting_func_types<T>::get getter) : m_var_type (var_type) { gdb_assert (var_type_uses<T> (var_type)); @@ -284,14 +300,14 @@ struct setting The template parameter T is the type of the variable used to store the setting. */ template<typename T> - const T &get () const + typename setting_func_types<T>::type get () const { gdb_assert (var_type_uses<T> (m_var_type)); if (m_var == nullptr) { gdb_assert (m_getter != nullptr); - auto getter = reinterpret_cast<setting_getter_ftype<T>> (m_getter); + auto getter = reinterpret_cast<typename setting_func_types<T>::get> (m_getter); return getter (); } else @@ -321,7 +337,7 @@ struct setting if (m_var == nullptr) { gdb_assert (m_setter != nullptr); - auto setter = reinterpret_cast<setting_setter_ftype<T>> (m_setter); + auto setter = reinterpret_cast<typename setting_func_types<T>::set> (m_setter); setter (v); } else @@ -643,8 +659,8 @@ extern set_show_commands add_setshow_enum_cmd extern set_show_commands add_setshow_enum_cmd (const char *name, command_class theclass, const char *const *enumlist, const char *set_doc, const char *show_doc, - const char *help_doc, setting_setter_ftype<const char *> set_func, - setting_getter_ftype<const char *> get_func, show_value_ftype *show_func, + const char *help_doc, setting_func_types<const char *>::set set_func, + setting_func_types<const char *>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_auto_boolean_cmd @@ -656,8 +672,8 @@ extern set_show_commands add_setshow_auto_boolean_cmd extern set_show_commands add_setshow_auto_boolean_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<enum auto_boolean> set_func, - setting_getter_ftype<enum auto_boolean> get_func, + setting_func_types<enum auto_boolean>::set set_func, + setting_func_types<enum auto_boolean>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); @@ -670,8 +686,8 @@ extern set_show_commands add_setshow_boolean_cmd extern set_show_commands add_setshow_boolean_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<bool> set_func, - setting_getter_ftype<bool> get_func, show_value_ftype *show_func, + setting_func_types<bool>::set set_func, + setting_func_types<bool>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_filename_cmd @@ -683,8 +699,8 @@ extern set_show_commands add_setshow_filename_cmd extern set_show_commands add_setshow_filename_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<std::string> set_func, - setting_getter_ftype<std::string> get_func, show_value_ftype *show_func, + setting_func_types<std::string>::set set_func, + setting_func_types<std::string>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_string_cmd @@ -696,8 +712,8 @@ extern set_show_commands add_setshow_string_cmd extern set_show_commands add_setshow_string_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<std::string> set_func, - setting_getter_ftype<std::string> get_func, + setting_func_types<std::string>::set set_func, + setting_func_types<std::string>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); @@ -710,8 +726,8 @@ extern set_show_commands add_setshow_string_noescape_cmd extern set_show_commands add_setshow_string_noescape_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<std::string> set_func, - setting_getter_ftype<std::string> get_func, show_value_ftype *show_func, + setting_func_types<std::string>::set set_func, + setting_func_types<std::string>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_optional_filename_cmd @@ -723,8 +739,8 @@ extern set_show_commands add_setshow_optional_filename_cmd extern set_show_commands add_setshow_optional_filename_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<std::string> set_func, - setting_getter_ftype<std::string> get_func, + setting_func_types<std::string>::set set_func, + setting_func_types<std::string>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); @@ -737,8 +753,8 @@ extern set_show_commands add_setshow_integer_cmd extern set_show_commands add_setshow_integer_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<int> set_func, - setting_getter_ftype<int> get_func, show_value_ftype *show_func, + setting_func_types<int>::set set_func, + setting_func_types<int>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_uinteger_cmd @@ -750,8 +766,8 @@ extern set_show_commands add_setshow_uinteger_cmd extern set_show_commands add_setshow_uinteger_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<unsigned int> set_func, - setting_getter_ftype<unsigned int> get_func, show_value_ftype *show_func, + setting_func_types<unsigned int>::set set_func, + setting_func_types<unsigned int>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_zinteger_cmd @@ -763,8 +779,8 @@ extern set_show_commands add_setshow_zinteger_cmd extern set_show_commands add_setshow_zinteger_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<int> set_func, - setting_getter_ftype<int> get_func, show_value_ftype *show_func, + setting_func_types<int>::set set_func, + setting_func_types<int>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_zuinteger_cmd @@ -776,8 +792,8 @@ extern set_show_commands add_setshow_zuinteger_cmd extern set_show_commands add_setshow_zuinteger_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<unsigned int> set_func, - setting_getter_ftype<unsigned int> get_func, show_value_ftype *show_func, + setting_func_types<unsigned int>::set set_func, + setting_func_types<unsigned int>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); extern set_show_commands add_setshow_zuinteger_unlimited_cmd @@ -789,7 +805,7 @@ extern set_show_commands add_setshow_zuinteger_unlimited_cmd extern set_show_commands add_setshow_zuinteger_unlimited_cmd (const char *name, command_class theclass, const char *set_doc, const char *show_doc, const char *help_doc, - setting_setter_ftype<int> set_func, setting_getter_ftype<int> get_func, + setting_func_types<int>::set set_func, setting_func_types<int>::get get_func, show_value_ftype *show_func, cmd_list_element **set_list, cmd_list_element **show_list); |