Update the variant example.

[bison.git] / ChangeLog

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+2008-11-10  Akim Demaille  <demaille@gostai.com>
+
+       Update the variant example.
+       * examples/variant.yy: Formatting changes.
+       One stage build.
+
+2008-11-10  Akim Demaille  <demaille@gostai.com>
+
+       Support constructor with an argument.
+       This improves the "list" bench by 2%.
+       
+       * data/lalr1.cc (variant::build): Add an overloaded version with
+       an argument.
+       * tests/c++.at (AT_CHECK_VARIANT): Check it.
+
+2008-11-10  Akim Demaille  <demaille@gostai.com>
+
+       Test variants.
+       * tests/c++.at (AT_CHECK_VARIANTS): New.
+       Use it with and without %define assert.
+
+2008-11-10  Akim Demaille  <demaille@gostai.com>
+
+       Add %precedence support.
+       Unfortunately it is not possible to reuse the %prec directive.  This
+       is because to please POSIX, we do not require to end the rules with a
+       semicolon.  As a result,
+       
+       foo: bar %prec baz
+       
+       is ambiguous: either a rule which precedence is that of baz, or a rule,
+       and then a declaration of the precedence of the token baz.
+       
+       * doc/bison.texinfo: Document %precedence.
+       (Precedence Only): New.
+       * src/assoc.h, src/assoc.c (precedence_assoc): New.
+       * src/conflicts.c (resolve_sr_conflict): Support it.
+       * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
+       Parse it.
+       * tests/calc.at: Use %precedence for NEG.
+       * tests/conflicts.at (%precedence does not suffice)
+       (%precedence suffices): New tests.
+
+2008-11-09  Akim Demaille  <demaille@gostai.com>
+
+       Make benches in a sub dirs.
+       * etc/bench.pl.in ($dir): New.
+       Use it.
+       Check the use of constructors with an argument.
+       (bench_variant_parser): Fix.
+
 2008-11-09  Akim Demaille  <demaille@gostai.com>
 
        fix eof condition