static void
ppscm_print_pp_type_error (const char *message, SCM object)
{
SCM exception = ppscm_make_pp_type_error_exception (message, object);
gdbscm_print_gdb_exception (SCM_BOOL_F, exception);
}
static void
ppscm_print_exception_unless_memory_error (SCM exception,
struct ui_file *stream)
{
if (gdbscm_memory_error_p (gdbscm_exception_key (exception)))
{
char *msg = gdbscm_exception_message_to_string (exception);
struct cleanup *cleanup = make_cleanup (xfree, msg);
/* This "shouldn't happen", but play it safe. */
if (msg == NULL || *msg == '\0')
fprintf_filtered (stream, _("<error reading variable>"));
else
{
/* Remove the trailing newline. We could instead call a special
routine for printing memory error messages, but this is easy
enough for now. */
size_t len = strlen (msg);
if (msg[len - 1] == '\n')
msg[len - 1] = '\0';
fprintf_filtered (stream, _("<error reading variable: %s>"), msg);
}
do_cleanups (cleanup);
}
else
gdbscm_print_gdb_exception (SCM_BOOL_F, exception);
}
static void
ppscm_print_exception_unless_memory_error (SCM exception,
struct ui_file *stream)
{
if (gdbscm_memory_error_p (gdbscm_exception_key (exception)))
{
gdb::unique_xmalloc_ptr<char> msg
= gdbscm_exception_message_to_string (exception);
/* This "shouldn't happen", but play it safe. */
if (msg == NULL || msg.get ()[0] == '\0')
fprintf_filtered (stream, _("<error reading variable>"));
else
{
/* Remove the trailing newline. We could instead call a special
routine for printing memory error messages, but this is easy
enough for now. */
char *msg_text = msg.get ();
size_t len = strlen (msg_text);
if (msg_text[len - 1] == '\n')
msg_text[len - 1] = '\0';
fprintf_filtered (stream, _("<error reading variable: %s>"), msg_text);
}
}
else
gdbscm_print_gdb_exception (SCM_BOOL_F, exception);
}
static void
pascm_signal_setshow_error (SCM exception, const char *msg)
{
/* Don't print the stack if this was an error signalled by the command
itself. */
if (gdbscm_user_error_p (gdbscm_exception_key (exception)))
{
char *excp_text = gdbscm_exception_message_to_string (exception);
make_cleanup (xfree, excp_text);
error ("%s", excp_text);
}
else
{
gdbscm_print_gdb_exception (SCM_BOOL_F, exception);
error ("%s", msg);
}
}
static void
pascm_show_func (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
param_smob *p_smob = (param_smob *) get_cmd_context (c);
SCM value_scm, self, result, exception;
char *msg;
struct cleanup *cleanups;
gdb_assert (gdbscm_is_procedure (p_smob->show_func));
value_scm = gdbscm_scm_from_host_string (value, strlen (value));
if (gdbscm_is_exception (value_scm))
{
error (_("Error converting parameter value \"%s\" to Scheme string."),
value);
}
self = p_smob->containing_scm;
result = gdbscm_safe_call_2 (p_smob->show_func, self, value_scm,
gdbscm_user_error_p);
if (gdbscm_is_exception (result))
{
pascm_signal_setshow_error (result,
_("Error occurred showing parameter."));
}
msg = gdbscm_scm_to_host_string (result, NULL, &exception);
if (msg == NULL)
{
gdbscm_print_gdb_exception (SCM_BOOL_F, exception);
error (_("Error converting show text to host string."));
}
cleanups = make_cleanup (xfree, msg);
fprintf_filtered (file, "%s\n", msg);
do_cleanups (cleanups);
}
static void
cmdscm_function (struct cmd_list_element *command, char *args, int from_tty)
{
command_smob *c_smob/*obj*/ = (command_smob *) get_cmd_context (command);
SCM arg_scm, tty_scm, result;
gdb_assert (c_smob != NULL);
if (args == NULL)
args = "";
arg_scm = gdbscm_scm_from_string (args, strlen (args), host_charset (), 1);
if (gdbscm_is_exception (arg_scm))
error (_("Could not convert arguments to Scheme string."));
tty_scm = scm_from_bool (from_tty);
result = gdbscm_safe_call_3 (c_smob->invoke, c_smob->containing_scm,
arg_scm, tty_scm, gdbscm_user_error_p);
if (gdbscm_is_exception (result))
{
/* Don't print the stack if this was an error signalled by the command
itself. */
if (gdbscm_user_error_p (gdbscm_exception_key (result)))
{
char *msg = gdbscm_exception_message_to_string (result);
make_cleanup (xfree, msg);
error ("%s", msg);
}
else
{
gdbscm_print_gdb_exception (SCM_BOOL_F, result);
error (_("Error occurred in Scheme-implemented GDB command."));
}
}
}
static void
pascm_set_func (const char *args, int from_tty, struct cmd_list_element *c)
{
param_smob *p_smob = (param_smob *) get_cmd_context (c);
SCM self, result, exception;
char *msg;
struct cleanup *cleanups;
gdb_assert (gdbscm_is_procedure (p_smob->set_func));
self = p_smob->containing_scm;
result = gdbscm_safe_call_1 (p_smob->set_func, self, gdbscm_user_error_p);
if (gdbscm_is_exception (result))
{
pascm_signal_setshow_error (result,
_("Error occurred setting parameter."));
}
if (!scm_is_string (result))
error (_("Result of %s set-func is not a string."), p_smob->name);
msg = gdbscm_scm_to_host_string (result, NULL, &exception);
if (msg == NULL)
{
gdbscm_print_gdb_exception (SCM_BOOL_F, exception);
error (_("Error converting show text to host string."));
}
cleanups = make_cleanup (xfree, msg);
/* GDB is usually silent when a parameter is set. */
if (*msg != '\0')
fprintf_filtered (gdb_stdout, "%s\n", msg);
do_cleanups (cleanups);
}
