X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fcommand.h;h=837b4bdd2cc77339f5a252e5f2bc3018d74a95b3;hp=a2e979708e66a3e890bd28b673abd9f18337f38f;hb=5458fef43ca7072312440301a9469c686ca641e2;hpb=4d8d1d32d0f0e0b8866a06cb1d3f304563fa6796 diff --git a/src/helper/command.h b/src/helper/command.h index a2e979708e..837b4bdd2c 100644 --- a/src/helper/command.h +++ b/src/helper/command.h @@ -159,6 +159,7 @@ typedef __COMMAND_HANDLER((*command_handler_t)); struct command { char *name; + const char *help; struct command *parent; struct command *children; command_handler_t handler; @@ -176,12 +177,53 @@ struct command */ char *command_name(struct command *c, char delim); -struct command* register_command(struct command_context *context, - struct command *parent, char *name, command_handler_t handler, - enum command_mode mode, char *help); +/** + * Register a command @c handler that can be called from scripts during + * the execution @c mode specified. + * + * If @c parent is non-NULL, the new command will be registered as a + * sub-command under it; otherwise, it will be available as a top-level + * command. + * + * A conventioal format should be used for help strings, to provide both + * usage and basic information: + * @code + * "@ ... - some explanation text" + * @endcode + * + * @param cmd_ctx The command_context in which to register the command. + * @param parent Register this command as a child of this, or NULL to + * register a top-level command. + * @param name The name of the command to register, which must not have + * been registered previously. + * @param handler The callback function that will be called. If NULL, + * then the command serves as a placeholder for its children or a script. + * @param mode The command mode(s) in which this command may be run. + * @param help The help text that will be displayed to the user. + * @returns The new command, if successful; otherwise, NULL. + */ +struct command* register_command(struct command_context *cmd_ctx, + struct command *parent, const char *name, + command_handler_t handler, enum command_mode mode, + const char *help); -int unregister_command(struct command_context *context, char *name); -int unregister_all_commands(struct command_context *context); +/** + * Unregisters command @c name from the given context, @c cmd_ctx. + * @param cmd_ctx The context of the registered command. + * @param parent The parent of the given command, or NULL. + * @param name The name of the command to unregister. + * @returns ERROR_OK on success, or an error code. + */ +int unregister_command(struct command_context *cmd_ctx, + struct command *parent, const char *name); +/** + * Unregisters all commands from the specfied context. + * @param cmd_ctx The context that will be cleared of registered commands. + * @param parent If given, only clear commands from under this one command. + * @returns ERROR_OK on success, or an error code. + */ +int unregister_all_commands(struct command_context *cmd_ctx, + struct command *parent); void command_set_output_handler(struct command_context* context, command_output_handler_t output_handler, void *priv); @@ -214,15 +256,11 @@ void process_jim_events(void); #define ERROR_COMMAND_ARGUMENT_OVERFLOW (-604) #define ERROR_COMMAND_ARGUMENT_UNDERFLOW (-605) -extern int fast_and_dangerous; - extern Jim_Interp *interp; void register_jim(struct command_context *context, const char *name, Jim_CmdProc cmd, const char *help); -long jim_global_long(const char *variable); - int parse_ulong(const char *str, unsigned long *ul); int parse_ullong(const char *str, unsigned long long *ul);