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519 lines
15 KiB
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519 lines
15 KiB
Plaintext
This is the file NEWS for the flex package. It records user -visible
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changes between releases of flex.
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See the file COPYING for copying conditions.
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* version 2.5.37 released 2012-08-03
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** Import flex into git. See
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git://flex.git.sourceforge.net/gitroot/flex/flex.
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** Fix make install target to not fail when the flex++ program is
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already installed
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** New translations from the translation project: de, fi, pl, vi
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* version 2.5.36 released 2012-07-20
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** various portability fixes that quiet compiler warnings on 64-bit
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hosts
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** various manual fixes, including correcting the name of a %option and
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updating some simple examples to use ANSI C syntax
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** various bug fixes that prevent certain error conditions from
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persisting when they should not persist
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** improvements to the test suite so it behaves better when linking
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compiled files
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** new translations from the translation project: ca, da, es, fi, fr,
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ga, ko, pt_br, ro, ru, sv, tr, zh_cn
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** the flex distribution is now built with automake 1.10.1 and automake
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2.61
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* version 2.5.35 released 2008-02-26
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** fixed bug that prevented flex from accepting certain comments in the
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scanner file (resolves bugs #1849809 and #1849805)
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** fix bug that prevented headers for all functions from being generated
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(resolves bug #1628314)
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** change yy_size_t to be size_t (resolves bug #1849812)
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** new de, nl, pl, pt_br, vi translations from the translation project
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* version 2.5.34 released 2007-12-12
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** introduce yylex_init_extra; see the manual for details
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** introduce %option extra-type="your_type *" (resolves bug #1744505)
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** The flex program now parses multiple short concatenated options (resolves bug
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#1619820). Thanks to Petr Machata of Red Hat on this issue.
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** better checking after yyalloc/yyrealloc (resolves bug #1595967)
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** flex now provides for a libfl_pic.a compiled with position
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independent code. Particularly useful when including a flex scanner
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in a shared library and with more recent versions of gcc. Thanks to the Debian project for the idea.
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** SourceForge feature request #1658379: Expose YY_BUF_SIZE in the
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header file.
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** flex better escapes filenames with special characters in them
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(resolves bug #1623600)
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** a memory leak was plugged(resolves bug #1601111)
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** pattern language expanded; see the manual for details on the below
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highlights
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*** pattern options added to specify patterns as case-insensitive or
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case-sensitive
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*** pattern options to specify whether the "." character should match
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the newline character
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*** pattern options added to allow ignoring of whitespace in patterns
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*** POSIX character classes may be negated in patterns
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*** patterns may now use set difference, union operators
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** the manual now contains an appendix listing various common patterns
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which may be useful when writing scanners
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** some memory leaks were removed from the C++ scanner (but the C++
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scanner is still experimental and may change radically without
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notice)
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** c++ scanners can now use yywrap
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** added new unit test for c++ and yywrap
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** portability fixes to some unit tests
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** flex man page and flex manual in pdf now distributed in the flex
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distribution
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** new ca, vi, ga, nl translations from the translation project
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** flex no longer comes with an rpm spec file
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** flex development now happens with automake 1.9.6
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* version 2.5.33 released 2006-2-20
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** all flex resources are now to be found from the website at
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http://flex.sourceforge.net/
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** there was no release 2.5.32 published
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** numerous bug and security fixes
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** new nl, vi, sv, ro, po, ga, ca, fr, tr translations from the translation project
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** upgrade to use gettext 0.12 (this now makes the "pdf" and "ps"
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targets in the build system able to be run successfully)
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* version 2.5.31 released 2003-4-1
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** remove --enable-maintainer-mode configure option; none of the
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Makefiles were using it and it can be unduely confusing
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* version 2.5.30 released 2003-4-1
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** yylineno is per-buffer in reentrant scanners
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** added %top directive for placing code at the top of the generated
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scanner; see manual for details
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** flex now uses m4 to generate scanners; while this means that
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scanners are more readable, it means that flex requires m4 to be
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installed; see manual for details
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* version 2.5.29 released 2003-3-5
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** Automatic stack management for multiple input buffers in C and C++ scanners
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** moved the flex documentation to a new doc/ subdirectory
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** cleanups to the yy namespace
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* version 2.5.28 released 2003-2-12
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** flex is now hosted at sourceforge
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** Fixed trailing slash bug in YY_INPUT macro def
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** Flex now warns if always-interactive is specified with fast or full
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* version 2.5.27 released 2003-1-21
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** flex now works with recent bison versions
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** new pt_br translation from the translation project
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* version 2.5.26 released 2003-1-14
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** Fixed table deserialization bug on big-endian archs. Patch sent from Bryce Nichols <bryce@bnichols.org>
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** yyleng has proper declarations now; this caused flex to generate
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unusable scanners for some programs
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** the flex distribution now includes a spec file suitable for use
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with rpm
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** some more c++ fixes
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** new es translation from the translation project
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** slight tweeks to the flex_int*_t types
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** flex now warns about pattern ranges that might be ambiguous when
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generating a case-insensitive scanner
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* version 2.5.25 released 2002-12-2
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** flex now uses flex_int*_t types. For C99 systems, they are just the
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int*_t types; for non-C99 systems, we just make some typedefs
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** new pt_br translation from the translation project
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* version 2.5.24 released 2002-11-25
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* more portability fixes
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** the manual continues to be updated and edited, but it's still got a
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ways to go
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** it is possible to have multiple c++ scanners in the same program again
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** new turkish translation from the translation project
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* version 2.5.23 released 2002-10-21
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** more portability fixes
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** the manual includes a title page and a table-of-contents when printed
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** the test suite can be run with "make check" from the top-level
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directory
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** configure now accepts the --enable-maintainer-mode option
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** gettext functionality is now only available externally
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** the constant FLEX_BETA is defined if flex is a beta release
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** the script create-test was not included in the distribution and it
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should have been
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* version 2.5.22 released 2002-10-10
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** more portability fixes around how we get ahold of the integral
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types; there is a constant FLEX_NEED_INTEGRAL_TYPE_DEFINITIONS
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which you should define if you don't have the <inttypes.h> header
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file (after you complain to your C vendor for not providing a
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reasonable C environment)
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** more test suite cleanups; in particular, the test suite should run
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correctly when build from a different directory
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** upgraded automake to 1.7 and consequently autoconf to 2.54; this
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means, among other things, that there is some support for
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formatting the manual in postscript and pdf in the distributed
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Makefile.in (and therefore in the Makefile built by configure)
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** the flex.1 manpage is generated by help2man; (this has been true
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for quite a while but was not listed here)
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** flex now includes three defined constants to indicate which version
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of flex generated a scanner (YY_FLEX_{MAJOR,MINOR,SUBMINOR}_VERSION)
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** flex tries its best to output only the relevant portions of the
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skeleton when generating a scanner, thus avoiding as much
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conditional compilation as possible
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* version 2.5.21 released 2002-9-17
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** one of the tests in the test suite broke the dist target
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* version 2.5.20 released 2002-9-16
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** A flex scanner has the ability to save the DFA tables to a file,
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and load them at runtime when needed; see the manual for details
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** Added %option bison-bridge (--bison-bridge)
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** Removed %option reentrant-bison/--reentrant-bison/-Rb
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** yylineno is present in all scanners; Modified nasty performance
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penalty warning with yylineno in documentation
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** test-table-opts is now run last in the test suite because it's so fat
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** flex can, to some extent, diagnose where internal problems occur
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** new translations from the translation project: fr, ca, de, ru, sv
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**Flex generates C99 defs now; see YY_TRADITIONAL_FUNC_DEFS in the
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manual if that's not a good thing for you
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* version 2.5.19 released 2002-9-5
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** prevent segfault on input lines which are longer than the allocated
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space (problem report from Manoj Srivastava
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<srivasta@golden-gryphon.com>)
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** Changed option 'header' to 'header-file'
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* version 2.5.18 released 2002-9-4
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** portability fixes for integer constants and in the way the test
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suite reports its results
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** the test for bison was reporting bison missing when it was, in
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fact, found
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** if we don't find GNU indent, we're more careful when we're not
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finding it
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* version 2.5.17 released 2002-8-29
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** more portability fixes
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** updated config.sub and config.guess
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** flex is indented by GNU indent (this was done earlier but not
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explicitly documented)
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* version 2.5.16 released 2002-8-28
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** c++ scanners compile again
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** there is now an indent target in the top-level Makefile; configure
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checks for GNU indent which is required for proper operation of the
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indent target
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** some more portability fixes were made
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** %options and invocation sections of manual merged
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** a c++ test was added to the test suite
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** we're trying to clean up more files in the test suite's make clean
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targets
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* version 2.5.15 released 2002-8-21
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** reject-state buffer is now dynamically allocated and REJECT buffer
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variables are reentrant-safe
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** manual now discusses memory usage
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** skeleton now processed by m4 before mkskel.sh; (this only matters
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if you want to change the skeleton or if you're doing flex development)
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** zh_cn translation added from translation project
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** a bug that caused a segfault has now been fixed
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** the test suite now respects the usual CFLAGS, etc. variables
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** removed some warnings which some tests trigggered with the -s option
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** the flex-generated header file now tries to be smarter about
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conditionally including start conditions
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** tables code omitted from generated scanner when not used
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* version 2.5.14 released 2002-8-15
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** the tests using the reentrant c scanner as c++ were reworked
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slightly to be sure that the c++ was enforced
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** de translation now included in the distribution
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** various portability fixes regarding nls support, c++ include
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headers, etc.
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* version 2.5.13 released 2002-8-15
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** the header file output with %option header is now much smaller
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** Fixed type mismatch in printf in scanner skeleton
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** yylex_init now reports errors
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* version 2.5.12 released 2002-8-8
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** updated gettext support to 0.11.5
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** new fr translation from the translation project
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** bison is no longer needed to build flex; If you are building flex
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from a release (i.e., not from a cvs snapshot), then you don't need
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to have a pre-built lex around either (unless you modify scan.l, of
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course); (This has been true for some time, but was not mentioned
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here.)
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* version 2.5.11 released 2002-7-31
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** Fixed bug where yyless did not consider yylineno
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** the yylineno performance hit is now gone
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** fixed some typos in the manual and we now include texinfo.tex in
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the distribution
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** traditional prototypes output for C scanners, controlled by a
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preprocessor symbol; see documentation for details
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* version 2.5.10 released 2002-7-24
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** yy_globals renamed to yyscanner and yy_globals_t renamed to
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yy_guts_t
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** added dist-bzip2 option to Makefile.am so we now produce a bzip2'd
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archive in addition to the standard gzip archive
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* version 2.5.9
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** new tests in test suite: test-mem-{nr,r}, test-posix,
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test-posixly-correct, test-debug-{nr,r}
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** made changes to work with gcc-3.2 development code
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** ability to choose which memory functions are used in flex
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** new yylex_destroy() function for the non-reentrant scanner
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** new handling of POSIXLY_CORRECT environment variable
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** the test suite now has its copyrights explicitly described
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** new ca, de, fr, ru, sv, tr translations
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* version 2.5.8
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** a new --posix option generates scanners with posix-style abc{1,3}
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compatible parsing, see manual for the screwy details
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* version 2.5.7
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** configure.in now includes a call to AC_PREREQ to enforce the
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requirement for autoconf at least 2.50 (This only effects you if
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you're doing flex development.)
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** configure now uses autoconf's versioning information and configure
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--help reports the bug-reporting address for flex
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** test suite now only reports success versus failure; reporting
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skipped is problematic under the current setup
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** compilation with --disable-nls now works
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** flex can now be built in a separate directory
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* version 2.5.6
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** gettext support added (from gettext 0.11)
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*** translations for ca, da, de, es, fr, ko, ru, sv, tr included
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** distribution now built under automake 1.6 and autoconf 2.53
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** command-line option parsing happens differently now:
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*** Added long option parsing
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*** Options -n and -c, previously deprecated, now simply do nothing
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*** Options are now parsed left to right
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** added a number of new options
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*** All positive %options are now accessible from the command line
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*** Added option -D, to define a preprocessor symbol
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*** Added option --header=FILE to specify a C .h file to generate
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*** added option --yywrap to call yywrap on EOF
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*** added option --yylineno to track line count in yylineno
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*** --yyclass=NAME name of C++ class when generating c++ scanners
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*** for long option names which are associated with existing short
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options, see accompanying documentation
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*** new %option nounistd or command-line --nounistd added to prevent
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flex from generating #include <unistd.h> on systems that don't
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have that include file
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** Support for reentrant C scanners has been added
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*** Updated the manual with the new reentrant API
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*** Two new options %option reentrant (-R) and
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%option reentrant-bison (-Rb)
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*** All globals optionally placed into struct yyglobals_t
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*** All access to globals replaced by macro invocations
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*** All functions optionally take one additional
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argument, yy_globals
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*** New style for invoking reentrant scanner:
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yylex_init(void** scanner );
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yylex( scanner );
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yylex_destroy( scanner );
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*** Added get/set functions for members of struct yy_globals_t
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e.g., yyget_text, yyget_leng, etc
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*** Prefix substitution added for new functions
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*** Macro shortcuts to the lengthy get/set functions
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provided for use in actions, e.g., yytext, yyleng, etc
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*** Arbitrary, user-defined data, "yyextra", may be added to scanner
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** %option nomain no longer implies %option yywrap
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But the inverse is still true
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** Developer test suite added
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*** TESTS/ directory has been added. Users can
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'make test' in the TESTS directory to execute the test suite
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** Support for bison variables yylval and yylloc added
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** automake support for the build process
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** manual is now in texinfo/info format
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*** flex.1 removed from distribution
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** flex no longer generates C-language scanners with C++-style
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comments
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** flex now generates scanners in c++ which are compatible with
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recent c++ compilers
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** flex input scanner now recognizes '\r' as an EOL character
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See the file ONEWS for changes in earlier releases.
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Local Variables:
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mode: text
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mode: outline-minor
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end:
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