}
static int script_command_run(Jim_Interp *interp,
- int argc, Jim_Obj * const *argv, struct command *c, bool capture)
+ int argc, Jim_Obj * const *argv, struct command *c)
{
target_call_timer_callbacks_now();
LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
if (NULL == words)
return JIM_ERR;
- struct log_capture_state *state = NULL;
- if (capture)
- state = command_log_capture_start(interp);
-
struct command_context *cmd_ctx = current_command_context(interp);
int retval = run_command(cmd_ctx, c, (const char **)words, nwords);
- command_log_capture_finish(state);
-
script_command_args_free(words, nwords);
return command_retval_set(interp, retval);
}
struct command *c = interp->cmdPrivData;
assert(c);
script_debug(interp, c->name, argc, argv);
- return script_command_run(interp, argc, argv, c, true);
+ return script_command_run(interp, argc, argv, c);
}
static struct command *command_root(struct command *c)
* arguments.
*/
if ((cr->jim_handler == NULL) && (cr->usage == NULL)) {
- LOG_DEBUG("BUG: command '%s%s%s' does not have the "
+ LOG_ERROR("BUG: command '%s%s%s' does not have the "
"'.usage' field filled out",
parent && parent->name ? parent->name : "",
parent && parent->name ? " " : "",
struct command *c)
{
Jim_Interp *interp = cmd_ctx->interp;
- char *ocd_name = alloc_printf("ocd_%s", c->name);
- if (NULL == ocd_name)
- return JIM_ERR;
- LOG_DEBUG("registering '%s'...", ocd_name);
+ LOG_DEBUG("registering '%s'...", c->name);
Jim_CmdProc *func = c->handler ? &script_command : &command_unknown;
- int retval = Jim_CreateCommand(interp, ocd_name, func, c, NULL);
- free(ocd_name);
- if (JIM_OK != retval)
- return retval;
-
- /* we now need to add an overrideable proc */
- char *override_name = alloc_printf(
- "proc %s {args} {eval ocd_bouncer %s $args}",
- c->name, c->name);
- if (NULL == override_name)
- return JIM_ERR;
-
- retval = Jim_Eval_Named(interp, override_name, 0, 0);
- free(override_name);
+ int retval = Jim_CreateCommand(interp, c->name, func, c, NULL);
return retval;
}
context->output_handler(context, data);
}
-void command_print_sameline(struct command_context *context, const char *format, ...)
+void command_print_sameline(struct command_invocation *cmd, const char *format, ...)
{
char *string;
va_start(ap, format);
string = alloc_vprintf(format, ap);
- if (string != NULL) {
+ if (string != NULL && cmd) {
/* we want this collected in the log + we also want to pick it up as a tcl return
* value.
*
* The latter bit isn't precisely neat, but will do for now.
*/
- LOG_USER_N("%s", string);
+ Jim_AppendString(cmd->ctx->interp, cmd->output, string, -1);
/* We already printed it above
* command_output_text(context, string); */
free(string);
va_end(ap);
}
-void command_print(struct command_context *context, const char *format, ...)
+void command_print(struct command_invocation *cmd, const char *format, ...)
{
char *string;
va_start(ap, format);
string = alloc_vprintf(format, ap);
- if (string != NULL) {
+ if (string != NULL && cmd) {
strcat(string, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one
*char longer */
/* we want this collected in the log + we also want to pick it up as a tcl return
*
* The latter bit isn't precisely neat, but will do for now.
*/
- LOG_USER_N("%s", string);
+ Jim_AppendString(cmd->ctx->interp, cmd->output, string, -1);
/* We already printed it above
* command_output_text(context, string); */
free(string);
if (NULL == c->parent) {
/* allocate enough for the name, child names, and '\0' */
name = malloc(len + extra + 1);
+ if (!name) {
+ LOG_ERROR("Out of memory");
+ return NULL;
+ }
strcpy(name, c->name);
} else {
/* parent's extra must include both the space and name */
static bool command_can_run(struct command_context *cmd_ctx, struct command *c)
{
- return c->mode == COMMAND_ANY || c->mode == cmd_ctx->mode;
+ if (c->mode == COMMAND_ANY || c->mode == cmd_ctx->mode)
+ return true;
+
+ /* Many commands may be run only before/after 'init' */
+ const char *when;
+ switch (c->mode) {
+ case COMMAND_CONFIG:
+ when = "before";
+ break;
+ case COMMAND_EXEC:
+ when = "after";
+ break;
+ /* handle the impossible with humor; it guarantees a bug report! */
+ default:
+ when = "if Cthulhu is summoned by";
+ break;
+ }
+ char *full_name = command_name(c, ' ');
+ LOG_ERROR("The '%s' command must be used %s 'init'.",
+ full_name ? full_name : c->name, when);
+ free(full_name);
+ return false;
}
static int run_command(struct command_context *context,
struct command *c, const char *words[], unsigned num_words)
{
- if (!command_can_run(context, c)) {
- /* Many commands may be run only before/after 'init' */
- const char *when;
- switch (c->mode) {
- case COMMAND_CONFIG:
- when = "before";
- break;
- case COMMAND_EXEC:
- when = "after";
- break;
- /* handle the impossible with humor; it guarantees a bug report! */
- default:
- when = "if Cthulhu is summoned by";
- break;
- }
- LOG_ERROR("The '%s' command must be used %s 'init'.",
- c->name, when);
+ if (!command_can_run(context, c))
return ERROR_FAIL;
- }
struct command_invocation cmd = {
.ctx = context,
if (c->jim_handler_data)
context->current_target_override = c->jim_handler_data;
+ cmd.output = Jim_NewEmptyStringObj(context->interp);
+ Jim_IncrRefCount(cmd.output);
+
int retval = c->handler(&cmd);
if (c->jim_handler_data)
if (NULL != full_name) {
command_run_linef(context, "usage %s", full_name);
free(full_name);
- } else
- retval = -ENOMEM;
+ }
} else if (retval == ERROR_COMMAND_CLOSE_CONNECTION) {
/* just fall through for a shutdown request */
- } else if (retval != ERROR_OK) {
- /* we do not print out an error message because the command *should*
- * have printed out an error
- */
- LOG_DEBUG("Command '%s' failed with error code %d", c->name, retval);
+ } else {
+ if (retval != ERROR_OK) {
+ char *full_name = command_name(c, ' ');
+ LOG_DEBUG("Command '%s' failed with error code %d",
+ full_name ? full_name : c->name, retval);
+ free(full_name);
+ }
+ /* Use the command output as the Tcl result */
+ Jim_SetResult(context->interp, cmd.output);
}
+ Jim_DecrRefCount(context->interp, cmd.output);
return retval;
}
result = Jim_GetString(Jim_GetResult(interp), &reslen);
if (reslen > 0) {
- int i;
- char buff[256 + 1];
- for (i = 0; i < reslen; i += 256) {
- int chunk;
- chunk = reslen - i;
- if (chunk > 256)
- chunk = 256;
- strncpy(buff, result + i, chunk);
- buff[chunk] = 0;
- LOG_USER_N("%s", buff);
- }
- LOG_USER_N("\n");
+ command_output_text(context, result);
+ command_output_text(context, "\n");
}
retval = ERROR_OK;
} else if (retcode == JIM_EXIT) {
return retcode;
} else {
Jim_MakeErrorMessage(interp);
+ /* error is broadcast */
LOG_USER("%s", Jim_GetString(Jim_GetResult(interp), NULL));
if (retval == ERROR_OK) {
if (0 == CMD_ARGC)
return ERROR_COMMAND_SYNTAX_ERROR;
*out = command_find(head, CMD_ARGV[0]);
- if (NULL == *out && strncmp(CMD_ARGV[0], "ocd_", 4) == 0)
- *out = command_find(head, CMD_ARGV[0] + 4);
if (NULL == *out)
return ERROR_COMMAND_SYNTAX_ERROR;
if (--CMD_ARGC == 0)
{
char *cmd_name = command_name(c, ' ');
if (NULL == cmd_name)
- return -ENOMEM;
+ return ERROR_FAIL;
/* If the match string occurs anywhere, we print out
* stuff for this command. */
}
static int command_unknown_find(unsigned argc, Jim_Obj *const *argv,
- struct command *head, struct command **out, bool top_level)
+ struct command *head, struct command **out)
{
if (0 == argc)
return argc;
const char *cmd_name = Jim_GetString(argv[0], NULL);
struct command *c = command_find(head, cmd_name);
- if (NULL == c && top_level && strncmp(cmd_name, "ocd_", 4) == 0)
- c = command_find(head, cmd_name + 4);
if (NULL == c)
return argc;
*out = c;
- return command_unknown_find(--argc, ++argv, (*out)->children, out, false);
+ return command_unknown_find(--argc, ++argv, (*out)->children, out);
+}
+
+static char *alloc_concatenate_strings(int argc, Jim_Obj * const *argv)
+{
+ char *prev, *all;
+ int i;
+
+ assert(argc >= 1);
+
+ all = strdup(Jim_GetString(argv[0], NULL));
+ if (!all) {
+ LOG_ERROR("Out of memory");
+ return NULL;
+ }
+
+ for (i = 1; i < argc; ++i) {
+ prev = all;
+ all = alloc_printf("%s %s", all, Jim_GetString(argv[i], NULL));
+ free(prev);
+ if (!all) {
+ LOG_ERROR("Out of memory");
+ return NULL;
+ }
+ }
+
+ return all;
+}
+
+static int run_usage(Jim_Interp *interp, int argc_valid, int argc, Jim_Obj * const *argv)
+{
+ struct command_context *cmd_ctx = current_command_context(interp);
+ char *command;
+ int retval;
+
+ assert(argc_valid >= 1);
+ assert(argc >= argc_valid);
+
+ command = alloc_concatenate_strings(argc_valid, argv);
+ if (!command)
+ return JIM_ERR;
+
+ retval = command_run_linef(cmd_ctx, "usage %s", command);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("unable to execute command \"usage %s\"", command);
+ return JIM_ERR;
+ }
+
+ if (argc_valid == argc)
+ LOG_ERROR("%s: command requires more arguments", command);
+ else {
+ free(command);
+ command = alloc_concatenate_strings(argc - argc_valid, argv + argc_valid);
+ if (!command)
+ return JIM_ERR;
+ LOG_ERROR("invalid subcommand \"%s\"", command);
+ }
+
+ free(command);
+ return retval;
}
static int command_unknown(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
struct command_context *cmd_ctx = current_command_context(interp);
struct command *c = cmd_ctx->commands;
- int remaining = command_unknown_find(argc, argv, c, &c, true);
+ int remaining = command_unknown_find(argc, argv, c, &c);
/* if nothing could be consumed, then it's really an unknown command */
if (remaining == argc) {
const char *cmd = Jim_GetString(argv[0], NULL);
return JIM_OK;
}
- bool found = true;
Jim_Obj *const *start;
unsigned count;
if (c->handler || c->jim_handler) {
count = remaining + 1;
start = argv + (argc - remaining - 1);
} else {
- c = command_find(cmd_ctx->commands, "usage");
- if (NULL == c) {
- LOG_ERROR("unknown command, but usage is missing too");
- return JIM_ERR;
- }
count = argc - remaining;
start = argv;
- found = false;
+ run_usage(interp, count, argc, start);
+ return JIM_ERR;
}
/* pass the command through to the intended handler */
if (c->jim_handler) {
+ if (!command_can_run(cmd_ctx, c))
+ return JIM_ERR;
+
interp->cmdPrivData = c->jim_handler_data;
return (*c->jim_handler)(interp, count, start);
}
- return script_command_run(interp, count, start, c, found);
+ return script_command_run(interp, count, start, c);
}
static int jim_command_mode(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
if (argc > 1) {
struct command *c = cmd_ctx->commands;
- int remaining = command_unknown_find(argc - 1, argv + 1, c, &c, true);
+ int remaining = command_unknown_find(argc - 1, argv + 1, c, &c);
/* if nothing could be consumed, then it's an unknown command */
if (remaining == argc - 1) {
Jim_SetResultString(interp, "unknown", -1);
return JIM_OK;
}
-static int jim_command_type(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- if (1 == argc)
- return JIM_ERR;
-
- struct command_context *cmd_ctx = current_command_context(interp);
- struct command *c = cmd_ctx->commands;
- int remaining = command_unknown_find(argc - 1, argv + 1, c, &c, true);
- /* if nothing could be consumed, then it's an unknown command */
- if (remaining == argc - 1) {
- Jim_SetResultString(interp, "unknown", -1);
- return JIM_OK;
- }
-
- if (c->jim_handler)
- Jim_SetResultString(interp, "native", -1);
- else if (c->handler)
- Jim_SetResultString(interp, "simple", -1);
- else if (remaining == 0)
- Jim_SetResultString(interp, "group", -1);
- else
- Jim_SetResultString(interp, "unknown", -1);
-
- return JIM_OK;
-}
-
int help_add_command(struct command_context *cmd_ctx, struct command *parent,
const char *cmd_name, const char *help_text, const char *usage)
{
.name = cmd_name,
.mode = COMMAND_ANY,
.help = help_text,
- .usage = usage,
+ .usage = usage ? : "",
};
nc = register_command(cmd_ctx, parent, &cr);
if (NULL == nc) {
if (usage) {
bool replaced = false;
if (nc->usage) {
+ if (*nc->usage)
+ replaced = true;
free(nc->usage);
- replaced = true;
}
nc->usage = strdup(usage);
if (replaced)
"Returns 'unknown' if an unknown command is given. "
"Command can be multiple tokens.",
},
- {
- .name = "type",
- .mode = COMMAND_ANY,
- .jim_handler = jim_command_type,
- .usage = "command_name [...]",
- .help = "Returns the type of built-in command:"
- "'native', 'simple', 'group', or 'unknown'. "
- "Command can be multiple tokens.",
- },
COMMAND_REGISTRATION_DONE
};
.mode = COMMAND_ANY,
.help = "core command group (introspection)",
.chain = command_subcommand_handlers,
+ .usage = "",
},
COMMAND_REGISTRATION_DONE
};
Code Review / openocd.git / blobdiff