Pacify "gcc -Wunused" for the input function from Flex.

[bison.git] / ChangeLog

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-2009-07-04  Alex Rozenman <rozenman@gmail.com>
+2009-08-01  Joel E. Denny  <jdenny@clemson.edu>
+
+       Pacify "gcc -Wunused" for the input function from Flex.
+       Reported by Alex Rozenman.  This warning shows up with gcc-4.3.0
+       and later.
+       * src/scan-code.l: Add "%option noinput", which I cannot find in
+       the Flex manual, but which Flex has supported since at least as
+       far back as 2.5.4.  However, if any of our developers still use
+       Flex 2.5.4, they'll need to stop configuring with
+       --enable-gcc-warnings because "%option noinput" didn't work
+       correctly until Flex 2.5.6.
+       * src/scan-gram.l: Likewise.
+       * src/scan-skel.l: Likewise.
+
+2009-07-31  Alex Rozenman  <rozenman@gmail.com>
+
+       Fix --enable-gcc-warnings problems.
+       * src/reader.c: Adjust variable names.
+       * src/scan-code.l: Fix prototypes and adjust names.
+       * src/named-ref.c: Remove redundant "if".
+
+2009-07-29  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Fix a --enable-gcc-warnings problem.
+       * src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
+       variable.
+
+2009-07-24  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Warn about character literals not of length one.
+       * NEWS (2.5): Document.
+       * src/scan-gram.l (INITIAL): Remove comment that we don't check
+       the length.
+       (SC_ESCAPED_CHARACTER): Warn if length is wrong.
+       * tests/input.at (Bad character literals): New test group.
+
+2009-07-24  Alex Rozenman  <rozenman@gmail.com>
+
+       Fix some memory leaks.
+       * src/named-ref.c: Add a pointer check (named_ref_free).
+       * src/scan-code.l: New function (variant_table_free). Called in
+       code_scanner_free.
+       * src/symlist.c: Call to named_ref_free (symbol_list_free).
+
+2009-07-24  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       * src/lalr.c (state_lookahead_tokens_count): Correct comment.
+
+2009-07-22  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Some M4 cleanup in the testsuite.
+       Suggested by Eric Blake at
+       <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
+       * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
+       complicate the code by distinguishing between a missing value
+       and an empty string value for an optional argument.  This fix is
+       allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
+       * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
+       (AT_TEST_TABLES_AND_PARSE): ... this now that the special
+       arguments are not needed because of the following changes.
+       Fix stale comments.
+       Bison developers should use GNU M4 and should not use
+       POSIXLY_CORRECT when building the test suite, so do not
+       complicate the code by avoiding $10 and above.
+       Do not quote an empty string value for an optional argument, and
+       do not distinguish between a missing value and an empty string
+       value.
+
+2009-07-15  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Revert unnecessary column realignment in --help output.
+       Reported by Akim Demaille at
+       <http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
+       * src/getargs.c (usage): Here.
+
+2009-07-04  Alex Rozenman  <rozenman@gmail.com>
 
        Alphabetical order in src/local.mk.
        * src/local.mk: Adjust.
 
-2009-07-04  Alex Rozenman <rozenman@gmail.com>
+2009-07-04  Alex Rozenman  <rozenman@gmail.com>
 
        Style changes and factoring.
        * src/named-ref.h: Add comments.