Bison News
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-* Changes in version ?.? (????-??-??):
+* Changes in version 2.5 (????-??-??):
+
+** %define can now be invoked via the command line.
+
+ Each of these bison command-line options
+
+ -D NAME=VALUE
+ --define=NAME=VALUE
+
+ is equivalent to this grammar file declaration
+
+ %define NAME "VALUE"
+
+ for any NAME and VALUE. Omitting `=VALUE' on the command line is
+ equivalent to omitting `"VALUE"' in the declaration.
+
+* Changes in version 2.4.2 (????-??-??):
+
+* Changes in version 2.4.1 (2008-12-11):
** In the GLR defines file, unexpanded M4 macros in the yylval and yylloc
declarations have been fixed.
exp: exp "+" exp { $$ = $1 + $3; };
- This prevents the future support for languages that do not use `;'
- as C/C++/Java do. Yet some grammars still depend on this `feature'.
- Bison 2.4.1 restores the previous behavior in the case of C output
- (specifically, when neither %language or %skeleton or equivalent
- command-line options are used) to leave more time for grammars
- depending on the old behavior to be adjusted. Future releases of
- Bison will disable this feature.
+ Some grammars still depend on this `feature'. Bison 2.4.1 restores
+ the previous behavior in the case of C output (specifically, when
+ neither %language or %skeleton or equivalent command-line options
+ are used) to leave more time for grammars depending on the old
+ behavior to be adjusted. Future releases of Bison will disable this
+ feature.
** A few minor improvements to the Bison manual.
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-2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-This file is part of Bison, the GNU Compiler Compiler.
+This file is part of Bison, the GNU Parser Generator.
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