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tinyriscv-openocd
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hooks to enable experimentation with scripting language support. Reduces patch size, but has no effect on OpenOCD otherwise. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@733 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
oharboe 2008-06-27 06:58:45 +00:00
parent a78762e786
commit b754eac35a
3 changed files with 83 additions and 37 deletions
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113
src/helper/command.c
View File

@ -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);
}
}
}
command_print(context, "Command %s not found", words[start_word]);
return retval;
return NULL;
}
int command_run_line(command_context_t *context, char *line)
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;
}
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_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);

1
src/helper/command.h
View File

@ -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);

6
src/openocd.c
View File

@ -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[])
{