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Disable unset/unused mid-rule value warnings by default, and recognize

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--warnings=midrule-values to enable them.  Discussed starting at
<http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
* NEWS (2.3a+): Mention.
* src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
warnings): Add entry for midrule-values subargument.
* src/reader.c (symbol_should_be_used): Don't return true just because
the value is a set/used mid-rule value unless
--warnings=midrule-values was specified.
* tests/input.at (Unused values, Unused values before symbol
declarations): Run tests with and without --warnings=midrule-values.

* src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
than LIST_FREE directly.
This commit is contained in:
Joel E. Denny
2006-11-01 06:09:40 +00:00
parent 89eb3c7653
commit 17bd8a736a
6 changed files with 81 additions and 32 deletions
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@@ -1,3 +1,20 @@
2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
Disable unset/unused mid-rule value warnings by default, and recognize
--warnings=midrule-values to enable them. Discussed starting at
<http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
* NEWS (2.3a+): Mention.
* src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
warnings): Add entry for midrule-values subargument.
* src/reader.c (symbol_should_be_used): Don't return true just because
the value is a set/used mid-rule value unless
--warnings=midrule-values was specified.
* tests/input.at (Unused values, Unused values before symbol
declarations): Run tests with and without --warnings=midrule-values.
* src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
than LIST_FREE directly.
2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
Finish implementing --warnings=error, which should not be implied by