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updates: insert/remove %empty

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* src/reader.c (grammar_rule_check_and_complete): Generate fixits for
adding/removing %empty.
* tests/actions.at, tests/diagnostics.at, tests/existing.at: Adjust.
This commit is contained in:
Akim Demaille
2019-04-23 22:13:28 +02:00
parent 0ee5ac5367
commit 971e72514f
4 changed files with 22 additions and 4 deletions
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17
src/reader.c
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@@ -26,6 +26,7 @@
#include "complain.h"
#include "conflicts.h"
#include "files.h"
#include "fixits.h"
#include "getargs.h"
#include "gram.h"
#include "muscle-tab.h"
@@ -344,14 +345,22 @@ grammar_rule_check_and_complete (symbol_list *r)
/* Check that %empty => empty rule. */
if (r->percent_empty_loc.start.file
&& r->next && r->next->content.sym)
complain (&r->percent_empty_loc, complaint,
_("%%empty on non-empty rule"));
{
complain (&r->percent_empty_loc, complaint,
_("%%empty on non-empty rule"));
fixits_register (&r->percent_empty_loc, "");
}
/* Check that empty rule => %empty. */
if (!(r->next && r->next->content.sym)
&& !r->midrule_parent_rule
&& !r->percent_empty_loc.start.file)
complain (&r->location, Wempty_rule, _("empty rule without %%empty"));
&& !r->percent_empty_loc.start.file
&& warning_is_enabled (Wempty_rule))
{
complain (&r->location, Wempty_rule,
_("empty rule without %%empty"));
fixits_register (&r->location, " %empty ");
}
/* See comments in grammar_current_rule_prec_set for how POSIX
mandates this complaint. It's only for identifiers, so skip