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diagnostics: also show suggested %empty

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* src/reader.c (grammar_rule_check_and_complete): Suggest to add %empty.
* tests/actions.at, tests/diagnostics.at: Adjust expectations.
This commit is contained in:
Akim Demaille
2019-10-06 10:48:59 +02:00
parent fec13ce2db
commit 9e6c5328d3
4 changed files with 42 additions and 0 deletions
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tests/actions.at
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@@ -134,6 +134,7 @@ AT_BISON_CHECK([-fcaret -Wempty-rule 1.y], [0], [],
[[1.y:11.17-18: warning: empty rule without %empty [-Wempty-rule]
11 | a: /* empty. */ {};
| ^~
| %empty
1.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother]
]])
@@ -149,9 +150,11 @@ AT_BISON_CHECK([-fcaret 2.y], [0], [],
[[2.y:11.17-18: warning: empty rule without %empty [-Wempty-rule]
11 | a: /* empty. */ {};
| ^~
| %empty
2.y:13.17-18: warning: empty rule without %empty [-Wempty-rule]
13 | c: /* empty. */ {};
| ^~
| %empty
2.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother]
]])