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bison-2.5.1_rc2 released [beta]
The Bison team is very happy to announce the forthcoming release
of Bison 2.5.1, which addresses quite a few issues from Bison 2.5.
Here are the compressed sources:
Here are the GPG detached signatures[*]:
Use a mirror for higher download bandwidth:
[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact. First, be sure to download both the .sig file
and the corresponding tarball. Then, run a command like this:
gpg --verify bison-2.5.1_rc2.tar.gz.sig
If that command fails because you don't have the required public key,
then run this command to import it:
gpg --keyserver keys.gnupg.net --recv-keys 78D5264E
and rerun the 'gpg --verify' command.
This release was bootstrapped with the following tools:
* Changes in version 2.5.1_rc2 (2012-05-23):
** Future changes:
The next major release will drop support for generating parsers in K&R C.
** yacc.c: YYBACKUP works as expected.
** glr.c improvements:
*** Location support is eliminated when not requested:
GLR parsers used to include location-related code even when locations were
not requested, and therefore not even usable.
*** __attribute__ is preserved:
__attribute__ is no longer disabled when __STRICT_ANSI__ is defined (i.e.,
when -std is passed to GCC).
** lalr1.java: several fixes:
The Java parser no longer throws ArrayIndexOutOfBoundsException if the
first token leads to a syntax error. Some minor clean ups.
** Changes for C++:
*** C++11 compatibility:
C and C++ parsers use "nullptr" instead of "0" when __cplusplus is 201103L
*** Header guards
The header files such as "parser.hh", "location.hh", etc. used a constant
name for preprocessor guards, for instance:
# define BISON_LOCATION_HH
#endif // !BISON_LOCATION_HH
The inclusion guard is now computed from "PREFIX/FILE-NAME", where lower
case characters are converted to upper case, and series of
non-alphanumerical characters are converted to an underscore.
With "bison -o lang++/parser.cc", "location.hh" would now include:
# define YY_LANG_LOCATION_HH
#endif // !YY_LANG_LOCATION_HH
*** C++ locations:
The position and location constructors (and their initialize methods)
accept new arguments for line and column. Several issues in the
documentation were fixed.
** liby is no longer asking for "rpl_fprintf" on some platforms.
** Changes in the manual:
*** %printer is documented
The "%printer" directive, supported since at least Bison 1.50, is finally
documented. The "mfcalc" example is extended to demonstrate it.
For consistency with the C skeletons, the C++ parsers now also support
"yyoutput" (as an alias to "debug_stream ()").
*** Several improvements have been made:
The layout for grammar excerpts was changed to a more compact scheme.
Named references are motivated. The description of the automaton
description file (*.output) is updated to the current format. Incorrect
index entries were fixed. Some other errors were fixed.
** Building bison:
*** Conflicting prototypes with recent/modified Flex.
Fixed build problems with the current, unreleased, version of Flex, and
some modified versions of 2.5.35, which have modified function prototypes.
*** Warnings during the build procedure have been eliminated.
*** Several portability problems in the test suite have been fixed:
This includes warnings with some compilers, unexpected behavior of tools
such as diff, warning messages from the test suite itself, etc.
*** The install-pdf target work properly:
Running "make install-pdf" (or -dvi, -html, -info, and -ps) no longer
halts in the middle of its course.
Re: bison-2.5.1_rc2 released [beta]
On 05/25/2012 07:19 PM, Akim Demaille wrote:
> The Bison team is very happy to announce the forthcoming release
> of Bison 2.5.1, which addresses quite a few issues from Bison 2.5.
FYI: Compiles and passes the testsuite on NetBSD 5.1 with GNU make 1.4.16.
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