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5acb90c9b6
a small amount of unused stuff (by the bmakefiles to follow), but it isn't much and seems harmless enough.
303 lines
10 KiB
Plaintext
303 lines
10 KiB
Plaintext
Mon Apr 8 15:17:13 1996 Ian Lance Taylor <ian@cygnus.com>
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* configure.in: Add AC_ARG_ENABLE for --enable-shared. Permit it
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to specify a list of directories.
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* configure: Rebuild with autoconf 2.8.
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Tue Nov 14 01:49:21 1995 Doug Evans <dje@canuck.cygnus.com>
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* configure.in (AC_CONFIG_AUX_DIR): Define.
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(AC_OUTPUT): Call config-ml.in.
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* configure: Regenerated.
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Mon Nov 13 13:40:15 1995 Ian Lance Taylor <ian@cygnus.com>
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* configure.in: Use AC_MSG_CHECKING and AC_MSG_RESULT, rather than
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pre-expanding them.
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* configure: Rebuild.
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Wed Oct 4 12:10:39 1995 Ian Lance Taylor <ian@cygnus.com>
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* configure.in: If using GCC, assume we always have alloca. This
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works around problems with broken cross setups. Use
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AC_FUNC_ALLOCA rather than AC_ALLOCA.
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* configure: Rebuild.
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Wed Sep 20 13:55:42 1995 Ian Lance Taylor <ian@cygnus.com>
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* Makefile.in (maintainer-clean): New synonym for realclean.
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Mon Jun 19 00:33:22 1995 Jason Merrill <jason@phydeaux.cygnus.com>
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* Makefile.in: Massage broken shells that require 'else true'.
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Sun Jun 18 23:24:00 1995 Per Bothner <bothner@kalessin.cygnus.com>
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* Makefile.in (distclean): Also remove config.cache and config.log.
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Thu Jun 8 22:42:58 1995 Jason Merrill <jason@phydeaux.cygnus.com>
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* configure.in: Add support for PIC flag configuration.
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* configure: Regenerate.
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* Makefile.in: Adjust accordingly.
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Mon Jun 5 18:46:06 1995 Jason Merrill <jason@phydeaux.cygnus.com>
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* Makefile.in (PICFLAG): New macro.
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(rx.o): Depend on stamp-picdir.
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(.c.o): Also build pic object.
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(stamp-picdir): New rule.
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(clean): Remove pic and stamp-picdir.
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Tue May 23 12:11:28 1995 Per Bothner <bothner@kalessin.cygnus.com>
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* rx.c (regcomp and other POSX.2 functions): Leave them out for
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now, because they conflict with Motif on HPUX.
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* rx.c (re_syntax_table): Only declare #ifndef RX_WANT_RX_DEFS;
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otherwise we duplicate the declaration in rx.h.
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* rx.c (re_search_2_fetch_char): Add missing cast.
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Sun Apr 2 23:24:52 1995 Tom Lord <lord@x1.cygnus.com>
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* rx.h (rx_search): check for and propogate internal
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errors correctly (bogus check sometimes mistook ok returns
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for internal errors).
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Sun Feb 12 19:28:22 1995 Tom Lord (lord@x1.cygnus.com)
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* rx.h (rx_search):
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From: hankedr@duc.auburn.edu (Darrel Hankerson)
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2. I have some problems understanding the code which sets
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search_state.free_chunks=0. It appears to me that since this is used
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to track alloca'd mem, that it should be done once at the top of
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rx_search(). Indeed, this also fixes the problem in the tests I'm
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running, but I don't have confidence in this "solution".
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[looks right to me. -tl]
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* rx.c: Two reported by kwzh.
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(re_search_2_get_burst): in the two string case,
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when computing `inset', add in pos->offset.
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(re_search_2_fetch_char): watch for the case when
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pos is just to the left of the second string, pos refers
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to the second string, but the first string is provided.
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This can happen at the very beginning of a match when the
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first thing after matching the priming character is a side
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effect like re_se_wordend.
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* rx.h (rx_search): patches (marked by /*|*/)
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from From: hjl@nynexst.com (H.J. Lu). One fixes a clear
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bug in a loop termination test. The other i'm not sure about
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yet, but it doesn't break the sed tests.
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* rx.c (re_compile_pattern):
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Initialize buf.rx.cset_size.
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(Fixes problem report from Kayvan Sylvan <kayvan@satyr.Sylvan.COM>)
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* rx.c (#define RX_DECL): cleaned up handling of this macro.
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* rx.c (re_comp):
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From hjl@nynexst.com
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Define _GNU_SOURCE.
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Test for USE_BSD_REGEX around teh BSD entry points.
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Under BSD, treat the empty-string pattern like the NULL pattern.
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Also under BSD, rx_syntax_options --> re_syntax_options.
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Also, rx_exec --> re_exec and rx_registers --> re_registers.
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* rx.c (rx_compile):
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From: kwzh@gnu.ai.mit.edu (Karl Heuer)
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The `\sX' handler ends with `goto append_node' but without setting
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the `append' variable first. This patch should fix it.
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* rx.c (regcomp): explicitly zero the field syntax_parens.
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Reported/fix suggested by Morten Holmqvist <netrom@find2.denet.dk>.
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* rx.h (changes under and around ifdef emacs):
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From: kwzh@gnu.ai.mit.edu (Karl Heuer)
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Here's a patch (for 0.06) to fix most of the other problems I
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mentioned. Some of the cpp conditionals in rx.h were ending at
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the wrong place and/or were incorrectly commented; fixing these
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took care of some of the missing declarations.
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(fastmap_search): unnecessary defaults to switch statements
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to shut-up "gcc -Wall".
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Thu Nov 24 18:39:42 1994 Tom Lord (lord@x1.cygnus.com)
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These fixes let's rx pass the spencer.tests from grep.
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* rx.h (rx_search): moved slightly out of date debugging
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code from RX_DEBUG to RX_DEBUG_0.
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* rx.h (rx_search): in the outer loop, if get_burst returns
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that there are no more characters, consider the possibility
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of an empty match before failing.
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* rx.h (rx_search): when computing search_end, don't waste
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time computing MIN and MAX of values already forced into range.
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* rx.h (rx_search): when making RANGE fit within TOTAL_SIZE,
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don't forget to allow the possible empty match at the end of
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string.
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* rx.c (is_anchored): the equations solving side-effect
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anchoring were wrong for the r_alternate case. The interesting
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thing about this bug is that it disguises itself as a precedent
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bug between | and ^ because of an optimization in the search
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function that checks rxb->begbuf_only (a return value of is_anchored).
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* rx.c: Fix the print-name rx_se_win (missing comma).
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Fix the function print_cset to print non-printable characters
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as octal.
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Sat Nov 5 20:01:46 1994 Jason Merrill (jason@phydeaux.cygnus.com)
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* Makefile.in (LIBCFLAGS): New variable.
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(.c.o): Use it.
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Thu Sep 1 16:23:21 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.c: applied patches from H J Lu to unrot BSD compatibility
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code.
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Mon Aug 29 16:48:57 1994 Ian Lance Taylor (ian@sanguine.cygnus.com)
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* Makefile.in (AR_FLAGS): Define.
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(librx.a): Use $(AR) and $(AR_FLAGS).
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Fri Aug 26 11:37:36 1994 Ian Lance Taylor (ian@cygnus.com)
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* configure.in: Call AC_PROG_CPP explicitly.
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* configure: Rebuilt.
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Thu Aug 25 18:19:47 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.[ch], configure.in: use __const__ instead of
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AC_CONST. Only include stdio once. Don't check
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for memory.h.
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Tue Aug 16 12:12:01 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.[ch]: LGPL instead of GPL
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Mon Aug 15 16:24:16 1994 Per Bothner (bothner@kalessin.cygnus.com)
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* rx.h (rx_search): When checking if we've gotten to the end,
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handle the case that we're searching backwards.
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Tue Jun 21 12:40:50 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
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* rx.c (re_rx_search): New function, exports rx_search.
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* Makefile.in (clean): Also remove librx.a.
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Fri Jun 3 12:16:45 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.c(re_search_2_fetch_char): fixed a bug that caused it to
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ignore OFFSET.
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Thu May 26 14:05:17 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.[ch]: From: Michael Rendell <michael@maple.cs.mun.ca>
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``The problem seems to lie in the casting between pointers and
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integers (pointers on the alpha are 64 bits, ints 32 bits, longs
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64 bits). The core dump happens in rx_compactify_nfa(), in the
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first for loop in the while(eclose) loop -- rx_hash_find() returns
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0, which is dereferenced.''
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The patch changed the type of rx_hash_masks to long and
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also a use of `int' to hold a side effect in rx_search.
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Sat May 14 00:45:14 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.c, rx.h: rearranged all the code
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so that all the rx functions can be exported
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or hidden (define RX_WANT_RX_DEFS when compiling
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and when including rx.h).
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Wed May 11 01:15:56 1994 Tom Lord (lord@rtl.cygnus.com)
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* rx.c, rx.h: added rx_search -- searching in
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arbitrarily fragmented strings, continuation support.
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Wed May 4 13:56:55 1994 Tom Lord (lord@rtl.cygnus.com)
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* rx.c, rx.h: Started independent maintainence
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of these.
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------ version 0.04 ------
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Fri May 13 02:31:13 1994 Tom Lord (lord@x1.cygnus.com)
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* rx.c: eliminated the weirdo custom allocators.
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Fixed some bugs (but lost the ChangeLog entries).
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Wed May 11 06:09:31 1994 Chip Salzenberg (chip@fin.uucp)
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* rx.c (rx_superstate_eclosure_union): Always return a value.
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------ version 0.03 ------
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Fri Aug 6 01:57:28 1993 Tom Lord (lord@unix1.andrew.cmu.edu)
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* rx.c (re_search_2): sped up the fastmap search a little
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to as to not be slower than regex.c on simple patterns.
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Rx will still lose by a couple instructions in some degenerate
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cases but mostly will win.
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Thu Aug 5 11:39:57 1993 Tom Lord (lord@thisbe.weh.andrew.cmu.edu)
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* rx.c (re_search_2 & compilation front-ends): cache the starting
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superset of super-nfa's so that it isn't necessary to do an
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eclosure union for every call to re_search_2.
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* rx.c (re_search_2): (from Eric Backus) arrange to call
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alloca(0) from a shallower stack frame than re_search_2
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if callling it at all.
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This could use a better cpp test. Right now, an extra function
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call is added to re_search_2 unles __GNUC__ is defined. If
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there were something like _HAVE_LOSER_ALLOCA_....
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* rx.c (rx_compile, re_search_2, several new fns):
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changed the order of side effect lists so that possible
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futures that begin with complex effects more to the right
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are explored after futures more to the left. Added
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a noop complex effect to alts and stars to guarantee
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they are explored in the right order. An optimization
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after the parse removes some from the alts (and not all
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stars get them in the first place). Changed the `best
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match' criterea -- now that possible futures are ordered
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posixly, we only want to check the length of the match.
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For a given length, the best subexpression partitioning
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is the first one found.
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A side effect of this is that Rx will always return the
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same register assignements for a given regexp/input text.
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Bummer :-) / 2.
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------ version 0.02 ------
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ed Jul 21 13:10:56 1993 Tom Lord (lord@unix8.andrew.cmu.edu)
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* rx.c (re_search_2): elaborated on the rule for picking the
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best match so that the lengths of subexpressions are taken
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into account. This is for Posix compatability.
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------ version 0.01 ------
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Sun Jun 13 17:20:35 1993 Tom Lord (lord@tsunami.ucc.andrew.cmu.edu)
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* This is the first release of rx.c. Although some of the code
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is derived from regex.c, there is not much continuity between
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the two implementations.
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