#include <stdio.h>
#include <unistd.h>
-int fast_and_dangerous = 0;
+#include <openocd_tcl.h>
-void command_print_help_line(command_context_t* context, struct command_s *command, int indent);
+int fast_and_dangerous = 0;
int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* forward declaration of jim_command */
extern int jim_command(command_context_t *context, char *line);
-int build_unique_lengths(command_context_t *context, command_t *commands)
-{
- command_t *c, *p;
-
- /* iterate through all commands */
- for (c = commands; c; c = c->next)
- {
- /* find out how many characters are required to uniquely identify a command */
- for (c->unique_len = 1; c->unique_len <= strlen(c->name); c->unique_len++)
- {
- int foundmatch = 0;
-
- /* for every command, see if the current length is enough */
- for (p = commands; p; p = p->next)
- {
- /* ignore the command itself */
- if (c == p)
- continue;
-
- /* compare commands up to the current length */
- if (strncmp(p->name, c->name, c->unique_len) == 0)
- foundmatch++;
- }
-
- /* when none of the commands matched, we've found the minimum length required */
- if (!foundmatch)
- break;
- }
-
- /* if the current command has children, build the unique lengths for them */
- if (c->children)
- build_unique_lengths(context, c->children);
- }
-
- return ERROR_OK;
-}
-/* Avoid evaluating this each time we add a command. Reduces overhead from O(n^2) to O(n).
- * Makes a difference on ARM7 types machines and is not observable on GHz machines.
- */
-static int unique_length_dirty = 1;
command_t* register_command(command_context_t *context, command_t *parent, char *name, int (*handler)(struct command_context_s *context, char* name, char** args, int argc), enum command_mode mode, char *help)
{
command_t *c, *p;
- unique_length_dirty = 1;
if (!context || !name)
return NULL;
c->children = NULL;
c->handler = handler;
c->mode = mode;
- if (help)
- c->help = strdup(help);
- else
- c->help = NULL;
- c->unique_len = 0;
+ if (!help)
+ help="";
c->next = NULL;
/* place command in tree */
context->commands = c;
}
}
+ /* accumulate help text in Tcl helptext list. */
+ Jim_Obj *helptext=Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
+ Jim_Obj *cmd_entry=Jim_NewListObj(interp, NULL, 0);
+ Jim_Obj *cmd_list=Jim_NewListObj(interp, NULL, 0);
+
+ /* maximum of two levels :-) */
+ if (c->parent!=NULL)
+ {
+ Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->parent->name, -1));
+ }
+ Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->name, -1));
+
+ Jim_ListAppendElement(interp, cmd_entry, cmd_list);
+ Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
+ Jim_ListAppendElement(interp, helptext, cmd_entry);
return c;
}
{
command_t *c, *c2;
- unique_length_dirty = 1;
-
if (context == NULL)
return ERROR_OK;
c->children = c->children->next;
free(c2->name);
c2->name = NULL;
- free(c2->help);
- c2->help = NULL;
free(c2);
c2 = NULL;
}
free(c->name);
c->name = NULL;
- free(c->help);
- c->help = NULL;
free(c);
c = NULL;
}
{
command_t *c, *p = NULL, *c2;
- unique_length_dirty = 1;
-
if ((!context) || (!name))
return ERROR_INVALID_ARGUMENTS;
for (c2 = c->children; c2; c2 = c2->next)
{
free(c2->name);
- if (c2->help)
- free(c2->help);
free(c2);
}
}
/* delete command */
free(c->name);
- if (c->help)
- free(c->help);
free(c);
}
{
command_t *c;
- if (unique_length_dirty)
- {
- unique_length_dirty = 0;
- /* update unique lengths */
- build_unique_lengths(context, context->commands);
- }
-
for (c = commands; c; c = c->next)
{
- if (strncasecmp(c->name, words[start_word], c->unique_len))
+ if (strcasecmp(c->name, words[start_word]))
continue;
- if (strncasecmp(c->name, words[start_word], strlen(words[start_word])))
- continue;
-
if ((context->mode == COMMAND_CONFIG) || (c->mode == COMMAND_ANY) || (c->mode == context->mode) )
{
if (!c->children)
int retval = c->handler(context, c->name, words + start_word + 1, num_words - start_word - 1);
if (retval == ERROR_COMMAND_SYNTAX_ERROR)
{
- command_print(context, "Syntax error:");
- command_print_help_line(context, c, 0);
+
}
else if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
{
return jim_command(context, line);
}
-int command_run_file(command_context_t *context, FILE *file, enum command_mode mode)
-{
- int retval = ERROR_OK;
- int old_command_mode;
- char *buffer=malloc(4096);
- if (buffer==NULL)
- {
- return ERROR_INVALID_ARGUMENTS;
- }
-
- old_command_mode = context->mode;
- context->mode = mode;
-
- while (fgets(buffer, 4096, file))
- {
- char *p;
- char *cmd, *end;
-
- /* stop processing line after a comment (#, !) or a LF, CR were encountered */
- if ((p = strpbrk(buffer, "#!\r\n")))
- *p = 0;
-
- /* skip over leading whitespace */
- cmd = buffer;
- while (isspace(*cmd))
- cmd++;
-
- /* empty (all whitespace) line? */
- if (!*cmd)
- continue;
-
- /* search the end of the current line, ignore trailing whitespace */
- for (p = end = cmd; *p; p++)
- if (!isspace(*p))
- end = p;
-
- /* terminate end */
- *++end = 0;
- if (strcasecmp(cmd, "quit") == 0)
- break;
-
- /* run line */
- if ((retval = command_run_line(context, cmd)) == ERROR_COMMAND_CLOSE_CONNECTION)
- break;
- }
-
- context->mode = old_command_mode;
-
-
- free(buffer);
-
- return retval;
-}
int command_run_linef(command_context_t *context, char *format, ...)
{
return retval;
}
-void command_print_help_line(command_context_t* context, struct command_s *command, int indent)
-{
- command_t *c;
- char *indent_text=malloc(indent + 2);
-
- char *help = "no help available";
- char name_buf[64];
-
- if (indent)
- {
- indent_text[0] = ' ';
- memset(indent_text + 1, '-', indent);
- indent_text[indent + 1] = 0;
- }
-
- if (command->help)
- help = command->help;
-
- snprintf(name_buf, 64, command->name);
- if (indent)
- strncat(name_buf, indent_text, 64);
-
- command_print(context, "%20s\t%s", name_buf, help, indent);
-
- if (command->children)
- {
- for (c = command->children; c; c = c->next)
- {
- command_print_help_line(context, c, indent + 1);
- }
- }
- free(indent_text);
-}
-
-int command_print_help_match(command_context_t* context, command_t* c_first, char* name, char** args, int argc)
-{
- command_t * c;
-
- for (c = c_first; c; c = c->next)
- {
- if (argc > 0)
- {
- if (strncasecmp(c->name, args[0], c->unique_len))
- continue;
-
- if (strncasecmp(c->name, args[0], strlen(args[0])))
- continue;
-
- if (argc > 1)
- {
- command_print_help_match(context, c->children, name, args + 1, argc - 1);
- continue;
- }
- }
-
- command_print_help_line(context, c, 0);
- }
-
- return ERROR_OK;
-}
-
-int command_print_help(command_context_t* context, char* name, char** args, int argc)
-{
- return command_print_help_match(context, context->commands, name, args, argc);
-}
void command_set_output_handler(command_context_t* context, int (*output_handler)(struct command_context_s *context, const char* line), void *priv)
{
context->output_handler = NULL;
context->output_handler_priv = NULL;
- register_command(context, NULL, "help", command_print_help,
- COMMAND_EXEC, "display this help");
-
register_command(context, NULL, "sleep", handle_sleep_command,
COMMAND_ANY, "sleep for <n> milliseconds");
Code Review / openocd.git / blobdiff