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gdb: make deprecated_cmd_warning i18n friendly

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Rewrite deprecated_cmd_warning to be i18n friendly.  While I'm going
through the function I also cleaned up some whitespace issues,
replaced uses of NULL with nullptr, and moved some comments to avoid
having to add { ... }.

Though the message being printed has a 'Warning: ' prefix I could have
changed from using printf_filtered to use warning, however, I haven't
done that in this commit as that would change what GDB outputs and I
wanted this commit NOT to change the output.

There should be no user visible changes after this commit.

gdb/ChangeLog:

	* cli/cli-decode.c (deprecated_cmd_warning): Use nullptr instead
	of NULL.  Don't print message piece by piece, but sentence at a
	time to allow internationalisation.  Some whitespace cleanup.
This commit is contained in:
Andrew Burgess 2020-12-10 14:47:18 +00:00
parent 9ef6d4a1b4
commit 44c77c3272
2 changed files with 45 additions and 40 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2020-12-11 Andrew Burgess <andrew.burgess@embecosm.com>
* cli/cli-decode.c (deprecated_cmd_warning): Use nullptr instead
of NULL. Don't print message piece by piece, but sentence at a
time to allow internationalisation. Some whitespace cleanup.
2020-12-11 Andrew Burgess <andrew.burgess@embecosm.com>
PR cli/15104

79
gdb/cli/cli-decode.c
View File

@ -1686,6 +1686,7 @@ lookup_cmd_1 (const char **text, struct cmd_list_element *clist,
if (found->deprecated_warn_user && !lookup_for_completion_p)
deprecated_cmd_warning (line, clist);
/* Return the default_args of the alias, not the default_args
of the command it is pointing to. */
if (default_args != nullptr)
@ -1899,59 +1900,57 @@ lookup_cmd (const char **line, struct cmd_list_element *list,
void
deprecated_cmd_warning (const char *text, struct cmd_list_element *list)
{
struct cmd_list_element *alias = NULL;
struct cmd_list_element *prefix_cmd = NULL;
struct cmd_list_element *cmd = NULL;
struct cmd_list_element *alias = nullptr;
struct cmd_list_element *prefix_cmd = nullptr;
struct cmd_list_element *cmd = nullptr;
/* Return if text doesn't evaluate to a command. */
if (!lookup_cmd_composition_1 (text, &alias, &prefix_cmd, &cmd, list))
/* Return if text doesn't evaluate to a command. */
return;
if (!((alias ? alias->deprecated_warn_user : 0)
|| cmd->deprecated_warn_user) )
/* Return if nothing is deprecated. */
/* Return if nothing is deprecated. */
if (!((alias != nullptr ? alias->deprecated_warn_user : 0)
|| cmd->deprecated_warn_user))
return;
printf_filtered ("Warning:");
if (alias && !cmd->cmd_deprecated)
printf_filtered (" '%s', an alias for the", alias->name);
printf_filtered (" command '");
if (prefix_cmd)
printf_filtered ("%s", prefix_cmd->prefixname);
printf_filtered ("%s", cmd->name);
if (alias && cmd->cmd_deprecated)
printf_filtered ("' (%s) is deprecated.\n", alias->name);
else
printf_filtered ("' is deprecated.\n");
/* Join command prefix (if any) and the command name. */
std::string tmp_cmd_str;
if (prefix_cmd != nullptr)
tmp_cmd_str += std::string (prefix_cmd->prefixname);
tmp_cmd_str += std::string (cmd->name);
/* If it is only the alias that is deprecated, we want to indicate
the new alias, otherwise we'll indicate the new command. */
if (alias && !cmd->cmd_deprecated)
/* Display the appropriate first line, this warns that the thing the user
entered is deprecated. */
if (alias != nullptr)
{
if (alias->replacement)
printf_filtered ("Use '%s'.\n\n", alias->replacement);
if (cmd->cmd_deprecated)
printf_filtered (_("Warning: command '%s' (%s) is deprecated.\n"),
tmp_cmd_str.c_str (), alias->name);
else
printf_filtered ("No alternative known.\n\n");
}
else
{
if (cmd->replacement)
printf_filtered ("Use '%s'.\n\n", cmd->replacement);
else
printf_filtered ("No alternative known.\n\n");
printf_filtered (_("Warning: '%s', an alias for the command '%s' "
"is deprecated.\n"),
alias->name, tmp_cmd_str.c_str ());
}
else
printf_filtered (_("Warning: command '%s' is deprecated.\n"),
tmp_cmd_str.c_str ());
/* Now display a second line indicating what the user should use instead.
If it is only the alias that is deprecated, we want to indicate the
new alias, otherwise we'll indicate the new command. */
const char *replacement;
if (alias != nullptr && !cmd->cmd_deprecated)
replacement = alias->replacement;
else
replacement = cmd->replacement;
if (replacement != nullptr)
printf_filtered (_("Use '%s'.\n\n"), replacement);
else
printf_filtered (_("No alternative known.\n\n"));
/* We've warned you, now we'll keep quiet. */
if (alias)
if (alias != nullptr)
alias->deprecated_warn_user = 0;
cmd->deprecated_warn_user = 0;
}