diff options
Diffstat (limited to 'gdb/cli/cli-option.h')
| -rw-r--r-- | gdb/cli/cli-option.h | 148 |
1 files changed, 67 insertions, 81 deletions
diff --git a/gdb/cli/cli-option.h b/gdb/cli/cli-option.h index 7b015b8..c67b6d2 100644 --- a/gdb/cli/cli-option.h +++ b/gdb/cli/cli-option.h @@ -26,8 +26,10 @@ #include <string> #include "command.h" -namespace gdb { -namespace option { +namespace gdb +{ +namespace option +{ /* A type-erased option definition. The actual type of the option is stored in the TYPE field. Client code cannot define objects of @@ -38,7 +40,9 @@ struct option_def { /* The ctor is protected because you're supposed to construct using one of bool_option_def, etc. below. */ + protected: + typedef void *(erased_get_var_address_ftype) (); /* Construct an option. NAME_ is the option's name. VAR_TYPE_ @@ -47,22 +51,25 @@ protected: SHOW_CMD_CB_ is a pointer to callback for the "show" command that is installed for this option. SET_DOC_, SHOW_DOC_, HELP_DOC_ are used to create the option's "set/show" commands. */ - constexpr option_def (const char *name_, - var_types var_type_, + constexpr option_def (const char *name_, var_types var_type_, const literal_def *extra_literals_, erased_get_var_address_ftype *erased_get_var_address_, - show_value_ftype *show_cmd_cb_, - const char *set_doc_, - const char *show_doc_, - const char *help_doc_) - : name (name_), type (var_type_), extra_literals (extra_literals_), + show_value_ftype *show_cmd_cb_, const char *set_doc_, + const char *show_doc_, const char *help_doc_) + : name (name_), + type (var_type_), + extra_literals (extra_literals_), erased_get_var_address (erased_get_var_address_), var_address {}, show_cmd_cb (show_cmd_cb_), - set_doc (set_doc_), show_doc (show_doc_), help_doc (help_doc_) - {} + set_doc (set_doc_), + show_doc (show_doc_), + help_doc (help_doc_) + { + } public: + /* The option's name. */ const char *name; @@ -85,14 +92,13 @@ public: object that groups the option variables from which the callback returns the address of some member. */ union - { - bool *(*boolean) (const option_def &, void *ctx); - unsigned int *(*uinteger) (const option_def &, void *ctx); - int *(*integer) (const option_def &, void *ctx); - const char **(*enumeration) (const option_def &, void *ctx); - std::string *(*string) (const option_def &, void *ctx); - } - var_address; + { + bool *(*boolean) (const option_def &, void *ctx); + unsigned int *(*uinteger) (const option_def &, void *ctx); + int *(*integer) (const option_def &, void *ctx); + const char **(*enumeration) (const option_def &, void *ctx); + std::string *(*string) (const option_def &, void *ctx); + } var_address; /* Pointer to null terminated list of enumerated values (like argv). Only used by var_enum options. */ @@ -116,10 +122,7 @@ public: /* Convenience method that returns THIS as an option_def. Useful when you're putting an option_def subclass in an option_def array_view. */ - const option_def &def () const - { - return *this; - } + const option_def &def () const { return *this; } }; namespace detail @@ -160,14 +163,12 @@ struct boolean_option_def : option_def { boolean_option_def (const char *long_option_, bool *(*get_var_address_cb_) (Context *), - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : option_def (long_option_, var_boolean, nullptr, (erased_get_var_address_ftype *) get_var_address_cb_, - show_cmd_cb_, - set_doc_, show_doc_, help_doc_) + show_cmd_cb_, set_doc_, show_doc_, help_doc_) { var_address.boolean = detail::get_var_address<bool, Context>; } @@ -181,23 +182,18 @@ template<typename Context = bool> struct flag_option_def : boolean_option_def<Context> { flag_option_def (const char *long_option_, - bool *(*var_address_cb_) (Context *), - const char *set_doc_, - const char *help_doc_ = nullptr) - : boolean_option_def<Context> (long_option_, - var_address_cb_, - NULL, + bool *(*var_address_cb_) (Context *), const char *set_doc_, + const char *help_doc_ = nullptr) + : boolean_option_def<Context> (long_option_, var_address_cb_, NULL, set_doc_, NULL, help_doc_) { this->have_argument = false; } - flag_option_def (const char *long_option_, - const char *set_doc_, - const char *help_doc_ = nullptr) + flag_option_def (const char *long_option_, const char *set_doc_, + const char *help_doc_ = nullptr) : boolean_option_def<Context> (long_option_, - gdb::option::detail::return_self, - NULL, + gdb::option::detail::return_self, NULL, set_doc_, nullptr, help_doc_) { this->have_argument = false; @@ -212,27 +208,25 @@ struct uinteger_option_def : option_def uinteger_option_def (const char *long_option_, unsigned int *(*get_var_address_cb_) (Context *), const literal_def *extra_literals_, - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : option_def (long_option_, var_uinteger, extra_literals_, (erased_get_var_address_ftype *) get_var_address_cb_, - show_cmd_cb_, - set_doc_, show_doc_, help_doc_) + show_cmd_cb_, set_doc_, show_doc_, help_doc_) { var_address.uinteger = detail::get_var_address<unsigned int, Context>; } uinteger_option_def (const char *long_option_, unsigned int *(*get_var_address_cb_) (Context *), - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : uinteger_option_def (long_option_, get_var_address_cb_, nullptr, show_cmd_cb_, set_doc_, show_doc_, help_doc_) - { /* Nothing. */ } + { /* Nothing. */ + } }; /* A var_pinteger command line option. */ @@ -243,27 +237,25 @@ struct pinteger_option_def : option_def pinteger_option_def (const char *long_option_, int *(*get_var_address_cb_) (Context *), const literal_def *extra_literals_, - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : option_def (long_option_, var_pinteger, extra_literals_, (erased_get_var_address_ftype *) get_var_address_cb_, - show_cmd_cb_, - set_doc_, show_doc_, help_doc_) + show_cmd_cb_, set_doc_, show_doc_, help_doc_) { var_address.integer = detail::get_var_address<int, Context>; } pinteger_option_def (const char *long_option_, int *(*get_var_address_cb_) (Context *), - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : pinteger_option_def (long_option_, get_var_address_cb_, nullptr, show_cmd_cb_, set_doc_, show_doc_, help_doc_) - { /* Nothing. */ } + { /* Nothing. */ + } }; /* An var_enum command line option. */ @@ -271,17 +263,14 @@ struct pinteger_option_def : option_def template<typename Context> struct enum_option_def : option_def { - enum_option_def (const char *long_option_, - const char *const *enumlist, + enum_option_def (const char *long_option_, const char *const *enumlist, const char **(*get_var_address_cb_) (Context *), - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : option_def (long_option_, var_enum, nullptr, (erased_get_var_address_ftype *) get_var_address_cb_, - show_cmd_cb_, - set_doc_, show_doc_, help_doc_) + show_cmd_cb_, set_doc_, show_doc_, help_doc_) { var_address.enumeration = detail::get_var_address<const char *, Context>; this->enums = enumlist; @@ -295,14 +284,12 @@ struct string_option_def : option_def { string_option_def (const char *long_option_, std::string *(*get_var_address_cb_) (Context *), - show_value_ftype *show_cmd_cb_, - const char *set_doc_, + show_value_ftype *show_cmd_cb_, const char *set_doc_, const char *show_doc_ = nullptr, const char *help_doc_ = nullptr) : option_def (long_option_, var_string, nullptr, (erased_get_var_address_ftype *) get_var_address_cb_, - show_cmd_cb_, - set_doc_, show_doc_, help_doc_) + show_cmd_cb_, set_doc_, show_doc_, help_doc_) { var_address.enumeration = detail::get_var_address<const char *, Context>; } @@ -341,40 +328,39 @@ enum process_options_mode if the string has been fully parsed and there are no operands to handle by the caller. Return false if options were parsed, and *ARGS now points at the first operand. */ -extern bool process_options - (const char **args, - process_options_mode mode, - gdb::array_view<const option_def_group> options_group); +extern bool +process_options (const char **args, process_options_mode mode, + gdb::array_view<const option_def_group> options_group); /* Complete ARGS on options listed by OPTIONS_GROUP. Returns true if the string has been fully parsed and there are no operands to handle by the caller. Return false if options were parsed, and *ARGS now points at the first operand. */ -extern bool complete_options - (completion_tracker &tracker, - const char **args, - process_options_mode mode, - gdb::array_view<const option_def_group> options_group); +extern bool +complete_options (completion_tracker &tracker, const char **args, + process_options_mode mode, + gdb::array_view<const option_def_group> options_group); /* Complete on all options listed by OPTIONS_GROUP. */ -extern void - complete_on_all_options (completion_tracker &tracker, - gdb::array_view<const option_def_group> options_group); +extern void complete_on_all_options ( + completion_tracker &tracker, + gdb::array_view<const option_def_group> options_group); /* Return a string with the result of replacing %OPTIONS% in HELP_TMLP with an auto-generated "help" string fragment for all the options in OPTIONS_GROUP. */ -extern std::string build_help - (const char *help_tmpl, - gdb::array_view<const option_def_group> options_group); +extern std::string +build_help (const char *help_tmpl, + gdb::array_view<const option_def_group> options_group); /* Install set/show commands for options defined in OPTIONS. DATA is a pointer to the structure that holds the data associated with the OPTIONS array. */ -extern void add_setshow_cmds_for_options (command_class cmd_class, void *data, - gdb::array_view<const option_def> options, - struct cmd_list_element **set_list, - struct cmd_list_element **show_list); +extern void +add_setshow_cmds_for_options (command_class cmd_class, void *data, + gdb::array_view<const option_def> options, + struct cmd_list_element **set_list, + struct cmd_list_element **show_list); } /* namespace option */ } /* namespace gdb */ |