void *output_handler_priv;
};
+/**
+ * When run_command is called, a new instance will be created on the
+ * stack, filled with the proper values, and passed by reference to the
+ * required COMMAND_HANDLER routine.
+ */
+struct command_invocation {
+ struct command_context *ctx;
+ const char *name;
+ unsigned argc;
+ const char **argv;
+};
/**
* Command handlers may be defined with more parameters than the base
* defining all such derivative types using this macro.
*/
#define __COMMAND_HANDLER(name, extra...) \
- int name(struct command_context *cmd_ctx, \
- const char *args[], unsigned argc, ##extra)
+ int name(struct command_invocation *cmd, ##extra)
/**
* Use this to macro to call a command helper (or a nested handler).
* variables in intervening scope(s) by accident.
*/
#define CALL_COMMAND_HANDLER(name, extra...) \
- name(cmd_ctx, args, argc, ##extra)
+ name(cmd, ##extra)
/**
* Always use this macro to define new command handler functions.
*/
#define COMMAND_HELPER(name, extra...) __COMMAND_HANDLER(name, extra)
+/**
+ * Use this macro to access the context of the command being handled,
+ * rather than accessing the variable directly. It may be moved.
+ */
+#define CMD_CTX cmd->ctx
+/**
+ * Use this macro to access the number of arguments for the command being
+ * handled, rather than accessing the variable directly. It may be moved.
+ */
+#define CMD_ARGC cmd->argc
+/**
+ * Use this macro to access the arguments for the command being handled,
+ * rather than accessing the variable directly. It may be moved.
+ */
+#define CMD_ARGV cmd->argv
/**
* Use this macro to access the name of the command being handled,
* rather than accessing the variable directly. It may be moved.
*/
-#define CMD_NAME args[-1]
+#define CMD_NAME cmd->name
/// The type signature for commands' handler functions.
int command_context_mode(struct command_context *context, enum command_mode mode);
-struct command_context* command_init(void);
+/**
+ * Creates a new command context using the startup TCL provided.
+ */
+struct command_context* command_init(const char *startup_tcl);
int command_done(struct command_context *context);
void command_print(struct command_context *context, const char *format, ...)
extern Jim_Interp *interp;
-void register_jim(struct command_context *context, const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help);
+void register_jim(struct command_context *context, const char *name,
+ Jim_CmdProc cmd, const char *help);
long jim_global_long(const char *variable);
do { \
int retval = parse_##type(in, &(out)); \
if (ERROR_OK != retval) { \
- command_print(cmd_ctx, stringify(out) \
+ command_print(CMD_CTX, stringify(out) \
+ " option value ('%s') is not valid", in); \
+ return retval; \
+ } \
+ } while (0)
+
+/**
+ * Parse the string @c as a binary parameter, storing the boolean value
+ * in @c out. The strings @c on and @c off are used to match different
+ * strings for true and false options (e.g. "on" and "off" or
+ * "enable" and "disable").
+ */
+#define COMMAND_PARSE_BOOL(in, out, on, off) \
+ do { \
+ bool value; \
+ int retval = command_parse_bool_arg(in, &value); \
+ if (ERROR_OK != retval) { \
+ command_print(CMD_CTX, stringify(out) \
" option value ('%s') is not valid", in); \
+ command_print(CMD_CTX, " choices are '%s' or '%s'", \
+ on, off); \
return retval; \
} \
+ out = value; \
} while (0)
+int command_parse_bool_arg(const char *in, bool *out);
+COMMAND_HELPER(handle_command_parse_bool, bool *out, const char *label);
+
+/// parses an on/off command argument
+#define COMMAND_PARSE_ON_OFF(in, out) \
+ COMMAND_PARSE_BOOL(in, out, "on", "off")
+/// parses an enable/disable command argument
+#define COMMAND_PARSE_ENABLE(in, out) \
+ COMMAND_PARSE_BOOL(in, out, "enable", "disable")
+
void script_debug(Jim_Interp *interp, const char *cmd,
unsigned argc, Jim_Obj *const *argv);