Example #1
0
/* Show command.  Display a warning if the language set
   does not match the frame. */
static void
show_language_command (struct ui_file *file, int from_tty,
		       struct cmd_list_element *c, const char *value)
{
  enum language flang;		/* The language of the current frame */

  deprecated_show_value_hack (file, from_tty, c, value);
  flang = get_frame_language ();
  if (flang != language_unknown &&
      language_mode == language_mode_manual &&
      current_language->la_language != flang)
    printf_filtered ("%s\n", lang_frame_mismatch_warn);
}
Example #2
0
void
do_setshow_command(char *arg, int from_tty, struct cmd_list_element *c)
{
  if (c->type == set_cmd)
    {
      switch (c->var_type)
	{
	case var_string:
	  {
	    char *newstr;
	    char *p;
	    char *q;
	    int ch;

	    if (arg == NULL)
	      arg = "";
	    newstr = (char *)xmalloc(strlen(arg) + 2);
	    p = arg;
	    q = newstr;
	    while ((ch = *p++) != '\000')
	      {
		if (ch == '\\')
		  {
		    /* \ at end of argument is used after spaces
		       so they won't be lost.  */
		    /* This is obsolete now that we no longer strip
		       trailing whitespace and actually, the backslash
		       didn't get here in my test, readline or
		       something did something funky with a backslash
		       right before a newline.  */
		    if (*p == 0)
		      break;
		    ch = parse_escape(&p);
		    if (ch == 0)
		      break;	/* C loses */
		    else if (ch > 0)
		      *q++ = ch;
		  }
		else
		  *q++ = ch;
	      }
#if 0
	    if (*(p - 1) != '\\')
	      *q++ = ' ';
#endif /* 0 */
	    *q++ = '\0';
	    newstr = (char *)xrealloc(newstr, (q - newstr));
	    if (*(char **)c->var != NULL)
	      xfree(*(char **)c->var);
	    *(char **)c->var = newstr;
	  }
	  break;
	case var_string_noescape:
	  if (arg == NULL)
	    arg = "";
	  if (*(char **)c->var != NULL)
	    xfree(*(char **)c->var);
	  *(char **)c->var = savestring(arg, strlen(arg));
	  break;
	case var_optional_filename:
	  if (arg == NULL)
	    arg = "";
	  if (*(char **)c->var != NULL)
	    xfree(*(char **)c->var);
	  *(char **)c->var = savestring(arg, strlen(arg));
	  break;
	case var_filename:
	  if (arg == NULL)
	    error_no_arg(_("filename to set it to."));
	  if (*(char **)c->var != NULL)
	    xfree (*(char **)c->var);
	  *(char **)c->var = tilde_expand(arg);
	  break;
	case var_boolean:
	  *(int *)c->var = parse_binary_operation(arg);
	  break;
	case var_auto_boolean:
	  *(enum auto_boolean *)c->var = parse_auto_binary_operation(arg);
	  break;
	case var_uinteger:
	  if (arg == NULL)
	    error_no_arg(_("integer to set it to."));
	  *(unsigned int *)c->var = (unsigned int)parse_and_eval_long(arg);
	  if (*(unsigned int *)c->var == 0)
	    *(unsigned int *)c->var = UINT_MAX;
	  break;
	case var_integer:
	  {
	    unsigned int val;
	    if (arg == NULL)
	      error_no_arg(_("integer to set it to."));
	    val = (unsigned int)parse_and_eval_long(arg);
	    if (val == 0)
	      *(int *)c->var = INT_MAX;
	    else if (val >= INT_MAX)
	      error(_("integer %u out of range"), val);
	    else
	      *(int *)c->var = val;
	    break;
	  }
	case var_zinteger:
	  if (arg == NULL)
	    error_no_arg(_("integer to set it to."));
	  *(int *)c->var = (int)parse_and_eval_long(arg);
	  break;
	case var_enum:
	  {
	    int i;
	    int len;
	    int nmatches = 0;
	    const char *match = NULL;
	    char *p;

	    /* APPLE LOCAL: Give the valid options for all error
	       messages for enum type commands. */

	    /* If an argument was supplied, parse it. */
	    if (arg != NULL)
	      {
		p = strchr(arg, ' ');

		if (p)
		  len = (p - arg);
		else
		  len = strlen(arg);

		nmatches = 0;
		for (i = 0; c->enums[i]; i++)
		  if (strncmp(arg, c->enums[i], len) == 0)
		    {
		      if (c->enums[i][len] == '\0')
			{
			  match = c->enums[i];
			  nmatches = 1;
			  break; /* exact match. */
			}
		      else
			{
			  match = c->enums[i];
			  nmatches++;
			}
		    }
	      }

	    if (nmatches == 1)
	      *(const char **)c->var = match;
	    else
	      {
                /* If there was an error, print an informative
                   error message.  */
                struct ui_file *tmp_error_stream = mem_fileopen();
                make_cleanup_ui_file_delete (tmp_error_stream);

                if (arg == NULL)
                  fprintf_unfiltered(tmp_error_stream, "Requires an argument.");
                else if (nmatches <= 0)
                  fprintf_unfiltered(tmp_error_stream, "Undefined item: \"%s\".", arg);
		else if (nmatches > 1)
                  fprintf_unfiltered(tmp_error_stream, "Ambiguous item \"%s\".", arg);

                fprintf_unfiltered(tmp_error_stream, " Valid arguments are ");
                for (i = 0; c->enums[i]; i++)
                  {
                    if (i != 0)
                      fprintf_unfiltered(tmp_error_stream, ", ");
                    fputs_unfiltered(c->enums[i], tmp_error_stream);
                  }
                fprintf_unfiltered(tmp_error_stream, ".");
                error_stream(tmp_error_stream);
	      }

	    /* END APPLE LOCAL */
	  }
	  break;
	default:
	  error(_("gdb internal error: bad var_type in do_setshow_command"));
	}
    }
  else if (c->type == show_cmd)
    {
      struct cleanup *old_chain;
      struct ui_stream *stb;

      stb = ui_out_stream_new(uiout);
      old_chain = make_cleanup_ui_out_stream_delete(stb);

      /* Possibly call the pre hook: */
      if (c->pre_show_hook)
	(c->pre_show_hook)(c);

      switch (c->var_type)
	{
	case var_string:
	  {
	    if (*(unsigned char **)c->var)
	      fputstr_filtered(*(char **)c->var, '"', stb->stream);
	  }
	  break;
	case var_string_noescape:
	case var_optional_filename:
	case var_filename:
	case var_enum:
	  if (*(char **)c->var)
	    fputs_filtered(*(char **)c->var, stb->stream);
	  break;
	case var_boolean:
	  fputs_filtered(*(int *)c->var ? "on" : "off", stb->stream);
	  break;
	case var_auto_boolean:
	  switch (*(enum auto_boolean*)c->var)
	    {
	    case AUTO_BOOLEAN_TRUE:
	      fputs_filtered("on", stb->stream);
	      break;
	    case AUTO_BOOLEAN_FALSE:
	      fputs_filtered("off", stb->stream);
	      break;
	    case AUTO_BOOLEAN_AUTO:
	      fputs_filtered("auto", stb->stream);
	      break;
	    default:
	      internal_error(__FILE__, __LINE__,
			     _("do_setshow_command: invalid var_auto_boolean"));
	      break;
	    }
	  break;
	case var_uinteger:
	  if (*(unsigned int *)c->var == UINT_MAX)
	    {
	      fputs_filtered("unlimited", stb->stream);
	      break;
	    }
	  /* else fall through */
	case var_zinteger:
	  fprintf_filtered(stb->stream, "%u", *(unsigned int *)c->var);
	  break;
	case var_integer:
	  if (*(int *)c->var == INT_MAX)
	    {
	      fputs_filtered("unlimited", stb->stream);
	    }
	  else
	    fprintf_filtered(stb->stream, "%d", *(int *)c->var);
	  break;

	default:
	  error(_("gdb internal error: bad var_type in do_setshow_command"));
	}


      /* FIXME: cagney/2005-02-10: Need to split this in half: code to
	 convert the value into a string (esentially the above); and
	 code to print the value out.  For the latter there should be
	 MI and CLI specific versions.  */

      if (ui_out_is_mi_like_p(uiout))
	ui_out_field_stream(uiout, "value", stb);
      else
	{
	  long length;
	  char *value = ui_file_xstrdup(stb->stream, &length);
	  make_cleanup(xfree, value);
	  if (c->show_value_func != NULL)
	    c->show_value_func(gdb_stdout, from_tty, c, value);
	  else
	    deprecated_show_value_hack(gdb_stdout, from_tty, c, value);
	}
      do_cleanups(old_chain);
    }
  else
    error(_("gdb internal error: bad cmd_type in do_setshow_command"));
  c->func(c, NULL, from_tty);
  if ((c->type == set_cmd) && deprecated_set_hook)
    deprecated_set_hook(c);
}
Example #3
0
void
do_show_command (const char *arg, int from_tty, struct cmd_list_element *c)
{
  struct ui_out *uiout = current_uiout;
  struct cleanup *old_chain;
  struct ui_file *stb;

  gdb_assert (c->type == show_cmd);

  stb = mem_fileopen ();
  old_chain = make_cleanup_ui_file_delete (stb);

  /* Possibly call the pre hook.  */
  if (c->pre_show_hook)
    (c->pre_show_hook) (c);

  switch (c->var_type)
    {
    case var_string:
      if (*(char **) c->var)
	fputstr_filtered (*(char **) c->var, '"', stb);
      break;
    case var_string_noescape:
    case var_optional_filename:
    case var_filename:
    case var_enum:
      if (*(char **) c->var)
	fputs_filtered (*(char **) c->var, stb);
      break;
    case var_boolean:
      fputs_filtered (*(int *) c->var ? "on" : "off", stb);
      break;
    case var_auto_boolean:
      switch (*(enum auto_boolean*) c->var)
	{
	case AUTO_BOOLEAN_TRUE:
	  fputs_filtered ("on", stb);
	  break;
	case AUTO_BOOLEAN_FALSE:
	  fputs_filtered ("off", stb);
	  break;
	case AUTO_BOOLEAN_AUTO:
	  fputs_filtered ("auto", stb);
	  break;
	default:
	  internal_error (__FILE__, __LINE__,
			  _("do_show_command: "
			    "invalid var_auto_boolean"));
	  break;
	}
      break;
    case var_uinteger:
    case var_zuinteger:
      if (c->var_type == var_uinteger
	  && *(unsigned int *) c->var == UINT_MAX)
	fputs_filtered ("unlimited", stb);
      else
	fprintf_filtered (stb, "%u", *(unsigned int *) c->var);
      break;
    case var_integer:
    case var_zinteger:
      if (c->var_type == var_integer
	  && *(int *) c->var == INT_MAX)
	fputs_filtered ("unlimited", stb);
      else
	fprintf_filtered (stb, "%d", *(int *) c->var);
      break;
    case var_zuinteger_unlimited:
      {
	if (*(int *) c->var == -1)
	  fputs_filtered ("unlimited", stb);
	else
	  fprintf_filtered (stb, "%d", *(int *) c->var);
      }
      break;
    default:
      error (_("gdb internal error: bad var_type in do_show_command"));
    }


  /* FIXME: cagney/2005-02-10: Need to split this in half: code to
     convert the value into a string (esentially the above); and
     code to print the value out.  For the latter there should be
     MI and CLI specific versions.  */

  if (ui_out_is_mi_like_p (uiout))
    ui_out_field_stream (uiout, "value", stb);
  else
    {
      char *value = ui_file_xstrdup (stb, NULL);

      make_cleanup (xfree, value);
      if (c->show_value_func != NULL)
	c->show_value_func (gdb_stdout, from_tty, c, value);
      else
	deprecated_show_value_hack (gdb_stdout, from_tty, c, value);
    }
  do_cleanups (old_chain);

  c->func (c, NULL, from_tty);
}