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-rw-r--r--src/helper/command.c111
-rw-r--r--src/helper/command.h1
-rw-r--r--src/openocd.c6
3 files changed, 82 insertions, 36 deletions
diff --git a/src/helper/command.c b/src/helper/command.c
index 968a8e4b..54315dd9 100644
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -337,10 +337,9 @@ void command_print(command_context_t *context, char *format, ...)
va_end(ap);
}
-int find_and_run_command(command_context_t *context, command_t *commands, char *words[], int num_words, int start_word)
+command_t *find_command(command_context_t *context, command_t *commands, char *words[], int num_words, int start_word, int *new_start_word)
{
command_t *c;
- int retval = ERROR_COMMAND_SYNTAX_ERROR;
if (unique_length_dirty)
{
@@ -363,60 +362,67 @@ int find_and_run_command(command_context_t *context, command_t *commands, char *
{
if (!c->handler)
{
- command_print(context, "No handler for command");
- retval = ERROR_COMMAND_SYNTAX_ERROR;
- break;
+ return NULL;
}
else
{
- 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)
- {
- /* 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 failed with error code %d", retval);
- }
- return retval;
+ *new_start_word=start_word;
+ return c;
}
}
else
{
if (start_word == num_words - 1)
{
- command_print(context, "Incomplete command");
- break;
+ return NULL;
}
- return find_and_run_command(context, c->children, words, num_words, start_word + 1);
+ return find_command(context, c->children, words, num_words, start_word + 1, new_start_word);
}
}
}
+ return NULL;
+}
+
+int find_and_run_command(command_context_t *context, command_t *commands, char *words[], int num_words)
+{
+ int start_word=0;
+ command_t *c;
+ c=find_command(context, commands, words, num_words, start_word, &start_word);
+ if (c==NULL)
+ {
+ command_print(context, "Command %s not found", words[start_word]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
- command_print(context, "Command %s not found", words[start_word]);
- return retval;
+ 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)
+ {
+ /* 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 failed with error code %d", retval);
+ }
+ return retval;
}
-int command_run_line(command_context_t *context, char *line)
+int command_run_line_internal_op(command_context_t *context, char *line, int run)
{
+ LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
+
int nwords;
char *words[128] = {0};
int retval;
int i;
- LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
-
- if ((!context) || (!line))
- return ERROR_INVALID_ARGUMENTS;
-
/* skip preceding whitespace */
while (isspace(*line))
line++;
@@ -434,7 +440,14 @@ int command_run_line(command_context_t *context, char *line)
nwords = parse_line(line, words, sizeof(words) / sizeof(words[0]));
if (nwords > 0)
- retval = find_and_run_command(context, context->commands, words, nwords, 0);
+ if (run)
+ {
+ retval = find_and_run_command(context, context->commands, words, nwords);
+ } else
+ {
+ int t;
+ return (find_command(context, context->commands, words, nwords, 0, &t)!=NULL)?ERROR_OK:ERROR_FAIL;
+ }
else
return ERROR_INVALID_ARGUMENTS;
@@ -444,6 +457,32 @@ int command_run_line(command_context_t *context, char *line)
return retval;
}
+int command_run_line_internal(command_context_t *context, char *line)
+{
+ return command_run_line_internal_op(context, line, 1);
+}
+
+int command_run_line(command_context_t *context, char *line)
+{
+ int retval;
+ if ((!context) || (!line))
+ return ERROR_INVALID_ARGUMENTS;
+
+ if (command_run_line_internal_op(context, line, 0)!=ERROR_OK)
+ {
+ /* If we can't find a command, then try the interpreter.
+ * If there is no interpreter implemented, then this will
+ * simply print a syntax error.
+ *
+ * These hooks were left in to reduce patch size for
+ * wip to add scripting language.
+ */
+ return jim_command(context, line);
+ }
+
+ return command_run_line_internal(context, line);
+}
+
int command_run_file(command_context_t *context, FILE *file, enum command_mode mode)
{
int retval = ERROR_OK;
@@ -652,7 +691,7 @@ int handle_time_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
duration_start_measure(&duration);
- retval = find_and_run_command(cmd_ctx, cmd_ctx->commands, args, argc, 0);
+ retval = find_and_run_command(cmd_ctx, cmd_ctx->commands, args, argc);
duration_stop_measure(&duration, &duration_text);
diff --git a/src/helper/command.h b/src/helper/command.h
index ed6a96a7..c468247c 100644
--- a/src/helper/command.h
+++ b/src/helper/command.h
@@ -74,6 +74,7 @@ extern int command_done(command_context_t *context);
extern void command_print(command_context_t *context, char *format, ...);
extern void command_print_sameline(command_context_t *context, char *format, ...);
extern int command_run_line(command_context_t *context, char *line);
+extern int command_run_line_internal(command_context_t *context, char *line);
extern int command_run_file(command_context_t *context, FILE *file, enum command_mode mode);
diff --git a/src/openocd.c b/src/openocd.c
index 946cd93c..a9d38c95 100644
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -154,6 +154,12 @@ void unlockBigLock()
{
}
+/* Hook to add scripting language */
+int jim_command(command_context_t *context, char *line)
+{
+ LOG_ERROR("Syntax error");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+}
int main(int argc, char *argv[])
{
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-27 17:34:29 +0000