Make it possible to return a symbol_type from yylex.

[bison.git] / ChangeLog

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+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Make it possible to return a symbol_type from yylex.
+       * data/lalr1.cc (b4_lex_symbol_if): New.
+       (parse): When lex_symbol is defined, expected yylex to return the
+       complete lookahead.
+       * etc/bench.pl.in (generate_grammar_list): Extend to support this
+       yylex interface.
+       (bench_variant_parser): Exercise it.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Remove useless bench case.
+       * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
+       no longer used.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Improve display of directives.
+       * etc/bench.pl.in (parse_term): Don't add useless eol.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Use string_cast in the bench.
+       * etc/bench.pl.in (generate_grammar_list): Define and use
+       string_cast.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Replace yychar with a Boolean.
+       * data/lalr1.cc (parse::yychar): Replace by...
+       (parse::yyempty): this.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Factor the tables.
+       * TODO: New item.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Let yytranslate handle the eof case.
+       * data/lalr1.cc (yytranslate_): Handle the EOF case.
+       Adjust callers.
+       No longer expect yychar to be equal to yyeof_, rather, test the
+       lookahead's (translated) kind.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       yychar cannot be empty in yyerrlab.
+       * TODO (yychar == yyempty_): New.
+       * data/lalr1.cc: Remove the handling of this case.
+       This eases forthcoming changes related to yychar and yytranslate.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Bench: syntactic sugar for %define/#define.
+       * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
+       (&bench_push_parser, bench_variant_parser): Use this feature.
+       (&eat): New.
+       Use it.
+
+2008-11-11  Akim Demaille  <demaille@gostai.com>
+
+       Less memory pressure on the "list" bench.
+       * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
+       the values, to limit memory pressure.
+
 2008-11-11  Akim Demaille  <demaille@gostai.com>
 
        Introduce make_symbol.