+2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
+
+ * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
+ put into the -d output file, and mention what to do if YYSTYPE is
+ defined as a macro.
+
+2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
+
+ Undo change made earlier today: it caused autopoint to not bring
+ in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
+ autopoint's.
+
+ * bootstrap: Check that gettext version matches what's in
+ configure.ac. Warn users to ignore robots.txt ERROR 404.
+ * bootstrap: Undo today's earlier change (logged below).
+ * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
+
+ The gettext version checking is causing more trouble than it's
+ curing; remove it. Problem reported by Paul Hilfinger.
+
+ * bootstrap: Issue a warning that one can expect a message
+ 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
+ * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
+
+2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
+
+ Ensure that the C++ compiler used for testing actually works on a
+ simple test program; if not, skip the C++-related tests. Problem
+ reported by Vin Shelton in:
+ http://mail.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
+
+ * m4/cxx.m4: New file.
+ * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
+ * tests/atlocal.in (BISON_CXX_WORKS): Add.
+ * tests/local.at (AT_COMPILE_CXX): Use it.
+
+2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
+
+ * data/glr.c (yylloc): Output this macro even if locations are not
+ being generated, as the GLR parser needs it even in that case.
+ Problem reported by Troy A. Johnson
+ <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
+
+ * configure.ac (AC_INIT): Update to 1.875e.
+
+2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
+
+ * NEWS: Version 1.875d.
+ * configure.ac (AC_INIT): Likewise.
+ * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
+
+ * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
+ -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
+ lalr1.cc runs afoul of the first, and the last two are no longer
+ supported by GCC 3.4.0.
+ * README: Mention GNU m4 1.4 or later; mention m4 patches.
+ * HACKING: Use ./bootstrap, not "make update" to import foreign files.
+
+2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
+
+ * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
+ unsigned int, for compatibility with latest gnulib hash module.
+ * src/state.c (state_hash, state_hasher): Likewise.
+ * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
+ * src/uniqstr.c (hash_uniqstr): Likewise.
+
+2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
+
+ * NEWS: Unescaped newlines are no longer allowed in char & strings.
+
+ * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
+ SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
+ character and string literals.
+ (unexpected_end): New function.
+ (unexpected_eof): Use it.
+ (unexpected_newline): New function.
+ (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
+ actions.
+
+ * NEWS: Document %expect-rr.
+
+ * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
+ Fix typo by replacing $1 with $option.
+ Remove more 'intl'-related files.
+ Don't DEFUN AM_INTL_SUBDIR twice.
+
+ * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
+ memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
+ strtoul.c.
+ * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
+ hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
+ xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
+ inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
+ stdint_h.m4, uintmax_t.m4, ulonglong.m4.
+ * src/.cvsignore: Add *.output.
+
+ * src/parse-gram.y: Put copyright notice inside %{ %} so it
+ gets copied to the output file.
+
+2004-04-28 Paul Eggert <eggert@twinsun.com>
+
+ Get files from the gnulib and po repositories, instead of relying
+ on them being in our CVS. Upgrade to latest versions of gnulib
+ and Automake.
+
+ * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
+ * bootstrap: Bootstrap from gnulib and po repositories.
+ Much of this code was stolen from GNU diff and GNU tar's bootstrap.
+ * README-cvs: Document these changes. Remove version numbers from
+ mentions of build tools, since they change so often. Mention Flex.
+
+ * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
+ (gl_USE_SYSTEM_EXTENSIONS): Add.
+ (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
+ Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
+ does this for us.
+ (AC_ISC_POSIX): Remove; we no longer support this
+ ancient OS, as it gets in the way of latest Autoconf & gnulib.
+ (AC_HEADER_STDC): Remove: we now assume C89 or better.
+ (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
+ Do not check for C89 headers, except for locale.h which is used
+ by the Yacc library and must port to K&R hosts.
+ (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
+ Do not check for C89 functions, except for setlocale which is
+ used by the Yacc library.
+ (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
+ (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
+ gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
+ gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
+ gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
+ AM_GNU_GETTEXT): Remove; now done by:
+ (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
+ (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
+ for us.
+
+ * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
+ (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
+ Define to empty, as gnulib.mk will do the rest for us.
+ ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
+ for us.
+ (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
+ (lib_SOURCES): New symbol, containing only the non-gnulib libs.
+
+ * src/files.c: Include gnulib's xstrndup.h.
+
+ * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
+ (REALLOC): Use xnrealloc, for likewise.
+ (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
+ (strnlen, memrchr): Remove decls; functions no longer used.
+ Include <stpcpy.h>.
+
+ * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
+ lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
+ lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
+ lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
+ lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
+ lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
+ lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
+ lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
+ lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
+ lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
+ lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
+ m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
+ m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
+ m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
+ m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
+ m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
+ m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
+ m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
+ po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
+ po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
+ po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
+ Remove, as these files are now generated automatically
+ by bootstrap or automake.
+
+ * po/ChangeLog: Remove: all but one entry was a duplicate
+ of this file, and I moved that 2000-11-02 entry here.
+
+ * config/.cvsignore: Add Makefile, depcomp, install-sh.
+ * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
+ argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
+ exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
+ getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
+ hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
+ memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
+ quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
+ strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
+ strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
+ unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
+ xstrndup.h.
+ * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
+ dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
+ mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
+ stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
+ * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
+ * src/.cvsignore: Remove *_.c.
+
+
+ * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
+ support it. (The latest stable gzip doesn't.)
+
+2004-04-27 Paul Eggert <eggert@twinsun.com>
+
+ * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
+ case, as stos_ is now used by destructors due to the 2004-02-09
+ change.
+
+ Remove more K&R C support.
+ * lib/libiberty.y (PARAMS): Remove. All uses removed.
+ * lib/subpipe.c (errno): Remove decl.
+ Include <stdlib.h> unconditionally.
+ (EXIT_FAILURE): Remove macro.
+ * src/complain.c (vfprintf, strerror): Remove.
+ * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
+ unconditionally.
+ (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
+ Use latest Autoconf recommendations for including inttypes.h, stdint.h.
+ (strchr, strspn, memchr): Remove decls.
+ * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
+ unconditionally. Do not declare perror.
+ * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
+ unconditionally.
+
+ * src/complain.c (_): Remove useless defn, as system.h defines this.
+
+ * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
+ with latest obstack.h.
+ * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
+ to procedure types, as obstack.h now does that for us.
+ * lib/lbitset.c (lbitset_elt_alloc): Likewise.
+
+ * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
+ so that this include file can stand alone.
+ * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
+ does this now. Include subpipe.h first after config.h, to
+ test whether it can stand alone.
+
+ * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
+ declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
+ unused declaration.
+
+ * tests/synclines.at (%union synch line): Put a dummy member in
+ the union, because empty unions aren't allowed in C. Caught
+ by GCC 3.4.0.
+
+2004-04-13 Jim Meyering <jim@meyering.net>
+
+ * src/conflicts.c (conflicts_print): Correct format string typo:
+ use `%%' to produce literal `%'. (trivial change)
+
+2004-03-30 Paul Eggert <eggert@twinsun.com>
+
+ * src/getargs.c (version): Update copyright year to 2004.
+
+ * data/c.m4 (b4_int_type): Use 'short int' rather than
+ 'short', and similarly for 'long', 'unsigned', etc.
+ * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
+ yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
+ yy_yypstack, yydumpstack): Likewise.
+ * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
+ translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
+ Likewise.
+ * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
+ yy_stack_print, yyparse): Likewise.
+ * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
+ * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
+ * lib/bitset.c (bitset_print): Likewise.
+ * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
+ * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
+ * lib/bitsetv.c (bitsetv_dump): Likewise.
+ * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
+ * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
+ Likewise.
+ * src/LR0.c (allocate_itemsets): Likewise.
+ * src/gram.h (rule_number, rule): Likewise.
+ * src/lalr.h (goto_number): Likewise.
+ * src/nullable.c (nullable_compute): Likewise.
+ * src/output.c (prepare_rules): Likewise.
+ * src/relation.c (relation_print, relation_digraph): Likewise.
+ * src/relation.h (relation_node): Likewise.
+ * src/state.h (state_number, transitions, errs, reductions,
+ struct state): Likewise.
+ * src/symtab.h (symbol_number, struct symbol): Likewise.
+ * src/tables.c (vector_number, tally, action_number,
+ default_goto, goto_actions): Likewise.
+ * tests/existing.at (GNU Cim Grammar): Likewise.
+ * tests/regression.at (Web2c Actions): Likewise.
+
+ * src/output.c (muscle_insert_short_int_table): Renamed from
+ muscle_insert_short_table. All uses changed.
+
+2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
+
+ * src/parse-gram.y: Define PERCENT_EXPECT_RR.
+ (declaration): Replace expected_conflicts with expected_sr_conflicts.
+ Add %expect-rr rule.
+
+ * src/scan-gram.l: Recognize %expect-rr.
+
+ * src/conflicts.h (expected_sr_conflicts): Rename from
+ expected_conflicts.
+ (expected_rr_conflicts): Declare.
+
+ * src/conflicts.c (expected_sr_conflicts): Rename from
+ expected_conflicts.
+ (expected_rr_conflicts): Define.
+ (conflicts_print): Check r/r conflicts against expected_rr_conflicts
+ for GLR parsers.
+ Use expected_sr_conflicts in place of expected_conflicts.
+ Warn if expected_rr_conflicts used in non-GLR parser.
+
+ * doc/bison.texinfo: Add documentation for %expect-rr.
+
+2004-03-08 Paul Eggert <eggert@gnu.org>
+
+ Add support for hex token numbers. Suggested by Odd Arild Olsen in
+ <http://mail.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
+
+ * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
+ in lalr1.cc.
+ * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
+ * src/scan-gram.l (scan_integer): New function.
+ ({int}): Use it.
+ (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
+ (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
+ handle_action_dollar, handle_action_at, convert_ucn_to_byte):
+ Say "long int", not "long", for uniformity with GNU style.
+
+2004-02-25 Paul Eggert <eggert@twinsun.com>
+
+ * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
+ compilers. This fixes a problem with Intel's C++ compiler being
+ chatty, reported by Guido Trentalancia in
+ <http://mail.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
+
+2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
+
+ Support %destructor and merge error locations in lalr1.cc.
+
+ * data/lalr1.cc (b4_cxx_destruct_def): New macro.
+ (Parser::stos_): Define unconditionally.
+ (Parser::destruct_): New method. Generate its body with
+ b4_yydestruct_generate.
+ (Parser::error_start_): New attribute.
+ (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
+ token which are discarded.
+ (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
+ error_start_ when erroneous token are discarded.
+ (Parser::parse) <yyerrlab1>: Compute the location of the error
+ token so that it covers all the discarded tokens.
+ * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
+ it can be called with `%skeleton "lalr1.cc"', and do that.
+
+2004-02-02 Paul Eggert <eggert@twinsun.com>
+
+ * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
+ $(top_srcdir)/lib and ../lib. This fixes a bug reported
+ by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
+ There's no need to mention top_builddir since Automake does that
+ for us.
+ (INCLUDES): Remove, as Automake says it's obsolescent.
+ Contents migrated into AM_CPPFLAGS as described above.
+ * lib/Makefile.am (INCLUDES): Remove; obsolescent.
+
+2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
+
+ * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
+ (yyreportSyntaxError): Handle case where lookahead token is
+ YYEMPTY.
+
+2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+
+ * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
+ resulting parsers are compilable with C++.
+
+2003-12-23 Paul Eggert <eggert@twinsun.com>
+
+ * config/depcomp, config/install-sh: Sync with Automake 1.8.
+ * src/output.c (output_skeleton): Rename local var.
+ * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
+ Bison tokens, as this runs afoul of the 2003-10-07 change that
+ disallowed NUL bytes in character constants or string literals.
+
+ * tests/local.at: Require Autoconf 2.59's Autotest.
+ * tests/testsuite.at: Don't include local.at, since we now assume
+ Autoconf 2.59 or later. Autoconf 2.59 had some problems with
+ including it.
+ * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
+ multiple inclusion warnings.
+
+2003-12-02 Akim Demaille <akim@epita.fr>
+
+ * doc/bison.texinfo (How Can I Reset the Parser): More about start
+ conditions.
+ From Bruno Haible.
+
+2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
+
+ * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
+
+2003-10-07 Paul Eggert <eggert@twinsun.com>
+
+ * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
+ if testsuite doesn't exist.
+
+ * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
+ literals, unfortunately.
+ * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
+ Complain about NUL bytes in character constants or string literals.
+
+2003-10-05 Paul Eggert <eggert@twinsun.com>
+
+ * NEWS: Don't document %no-default-prec, as it's still
+ too experimental.
+ * doc/bison.texinfo: Document %no-default-prec only if
+ the defaultprec flag is set. Normally it's not.
+
+2003-10-04 Paul Eggert <eggert@twinsun.com>
+
+ * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
+ non-modifiable lvalue, instead of a modifiable one.
+ * doc/bison.texinfo (Actions): Document that $$ can
+ be assigned to. Do not claim that $$ and $N are
+ array element references: user code should not rely on this.
+
+2003-10-01 Paul Eggert <eggert@twinsun.com>
+
+ * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
+ (grammar_declaration): Use it.
+ * src/scan-gram.l: New token %no-default-prec.
+ * tests/conflicts.at: Revamp tests to use %no-default-prec.
+ * NEWS, doc/bison.texinfo: Document the above.
+
+2003-10-01 Akim Demaille <akim@epita.fr>
+
+ VCG no longer supports long_straight_phase.
+
+ * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
+ * src/print_graph.c (print_graph): Adjust.
+
+2003-09-30 Frank Heckenbach <frank@g-n-u.de>
+ and Paul Eggert <eggert@twinsun.com>
+
+ * doc/bison.texinfo (Decl Summary, Contextual Precedence,
+ Table of Symbols): Document %default-prec.
+ * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
+ (grammar_declaration): Set default_prec on %default-prec.
+ * src/scan-gram.l (%default-prec): New token.
+ * src/reader.h (default_prec): New flag.
+ * src/reader.c: Likewise.
+ (packgram): Handle it.
+ * tests/conflicts.at (%default-prec without %prec,
+ %default-prec with %prec, %default-prec 1): New tests.
+
+2003-09-30 Paul Eggert <eggert@twinsun.com>
+
+ * tests/testsuite.at: Include local.at, not input.at, fixing
+ a typo in the 2003-08-25 patch.
+
+2003-08-27 Akim Demaille <akim@epita.fr>
+
+ * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
+ GCC warnings.
+
+2003-08-26 Akim Demaille <akim@epita.fr>
+
+ * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
+ "<\#" to avoid magic from Gnus when posting parts of this script.
+
+2003-08-26 Akim Demaille <akim@epita.fr>
+
+ * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
+ (Parser::parse): here.
+ Adjust: nerrs and errstatus is now replaced by...
+ (Parser::nerrs_, Parser::errstatus_): New.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ * config/announce-gen, Makefile.cfg: New.
+ * Makefile.am: Adjust.
+ * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
+ keeping local WGET and WGETFLAGS modifications from Paul Eggert.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ When reducing initial empty rules, Bison parser read an initial
+ location that is not defined. This results in garbage, and that
+ affects Bison's own parser. Therefore we need (i) to extend Bison
+ to support a means to initialize this location, and (ii) to use
+ this CVS Bison to fix CVS Bison's parser.
+
+ * src/reader.h, reader.c (epilogue_augment): Remove, replace
+ with...
+ * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
+ * src/parse-gram.y: Adjust.
+ (%initial-action): New.
+ (%error-verbose): Since we require CVS Bison, there is no reason
+ not to use it.
+ * src/scan-gram.l: Adjust.
+ * src/Makefile.am (YACC): New, to make sure we use our own parser.
+ * data/yacc.c (yyparse): Use b4_initial_action.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ * doc/bison.texinfo: Don't promote stdout for error messages.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
+ From Alexandre Duret-Lutz.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ Version 1.875c.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
+ Use them.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ * data/lalr1.cc (Parser::reduce_print_): New.
+ Use it.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
+ error recovery loops. This patch is based on
+ <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
+ Also, augment the similarity between lalr1.cc and yacc.c.
+ Note: the locations of error recovery rules are not correct yet.
+
+ * data/lalr1.cc: Comment changes to augment the similarity between
+ lalr1.cc and yacc.c.
+ (YYERROR): Goto to yyerrorlab, not yyerrlab1.
+ (yyerrlab1): Remove, but where it used to be (now the bottom part of
+ yyerrlab), when hitting EOF, pop the whole stack here instead of
+ merely falling thru the default error handling mechanism.
+ (yyerrorlab): New label, with the old contents of YYERROR,
+ plus the following change: pop the stack of rhs corresponding
+ to the production that invoked YYERROR. That is how Yacc
+ behaves (required by POSIX).
+ * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
+ fail.
+
+2003-08-25 Akim Demaille <akim@epita.fr>
+
+ Tune local.at so that people can "autom4te -l autotest calc.at -o
+ calc" for instance, to extract a sub test suite.
+
+ * tests/testsuite.at: Move the initialization, Autotest version
+ requirement, and AT_TESTED invocation into...
+ * tests/local.at: here.
+ * tests/testsuite.at: Include it for compatibility with Autoconf
+ 2.57.
+ * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
+ be ignore.
+
+2003-08-04 Paul Eggert <eggert@twinsun.com>
+
+ Rework code slightly to avoid gcc -Wtraditional warnings.
+ * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
+ The returned value is now stored in *YY0. All callers changed.
+ * src/output.c (merge_output): Adjust to the above change.
+
+2003-07-26 Paul Eggert <eggert@twinsun.com>
+
+ * data/glr.c (YYASSERT): New macro.
+ (yyfillin, yydoAction, yyglrReduce, yysplitStack,
+ yyresolveStates, yyprocessOneStack):
+ Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
+ Derived from a suggestion by Frank Heckenbach.
+
+2003-07-25 Paul Eggert <eggert@twinsun.com>
+
+ * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
+ for portability to K&R C (after ansi2knr, presumably). See
+ <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
+ by Frank Heckenbach, though I have omitted the structure-initialization
+ part of his glr-knr.diff patch since I recall that the Portable
+ C Compiler didn't require that change.
+
+ Let the user specify how to allocate and free memory.
+ Derived from a suggestion by Frank Heckenbach in
+ <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
+ * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
+ All uses of free, malloc, realloc changed to use these macros,
+ and unnecessary casts removed.
+ * data/yacc.c (YYFREE, YYMALLOC): Likewise.
+
+2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
+
+ * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
+ use s.empty() rather than s == "" to test for empty string; see
+ <http://mail.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
+ (trivial change)
+
+2003-06-25 Akim Demaille <akim@epita.fr>
+
+ * config/depcomp, config/install-sh: Update from masters.
+
+2003-06-20 Paul Eggert <eggert@twinsun.com>
+
+ * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
+ and return properly parenthesized result.
+ * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
+ * data/yacc.c (YYLLOC_DEFAULT): Likewise.
+ Remove unnecessary parentheses from uses.
+ * doc/bison.texinfo (Location Default Action): Describe the
+ conventions for parentheses.
+
+2003-06-19 Paul Eggert <eggert@twinsun.com>
+
+ * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
+ yyreportTree): Do not assume that size_t is the same width as int,
+ when printing sizes. Print sizes using an unsigned format.
+ Problem reported by Frank Heckenbach in
+ <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
+
+ Port to Forte Developer 7 C compiler.
+ * data/glr.c (struct YYLTYPE): If locations are not being used,
+ declare a single dummy member, as empty structs do not conform
+ to the C standard.
+ (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
+ the Forte Developer 7 C compiler complains that end-of-loop
+ code is not reached.
+
+2003-06-17 Paul Eggert <eggert@twinsun.com>
+
+ * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
+ avoid warnings from picky compilers about redefinition of PARAMS.
+
+2003-06-17 Paul Eggert <eggert@twinsun.com>
+
+ Version 1.875b.
+
+ * NEWS: Document 1.875b.
+
+ * lib/bbitset.h: Do not include config.h; that's the includer's job.
+ Do not include <sys/types.h>; shouldn't be needed on a C89 host.
+ * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
+ Don't use 'index' in comments, as it's a builtin fn on some hosts.
+ * lib/bitset_stats.c: Include gettext.h unconditionally, as
+ per recent gettext manual's suggestion.
+ * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
+ Use prototypes, not old-style definitions.
+ * lib/lbitset.c (lbitset_unused_clear): Likewise.
+ * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
+ vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
+ vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
+ vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
+ vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
+ vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
+ vbitset_or_and_cmp, vbitset_copy): Likewise.
+
+ * lib/libiberty.h: Do not include config.h; that's the includer's job.
+ Do not include <stdlib.h>.
+ (PARAMS): Define unconditionally for C89.
+ (ATTRIBUTE_NORETURN): Remove.
+ (ATTRIBUTE_UNUSED): Define unconditionally.
+
+ Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
+ <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
+ * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
+ * lib/vbitset.c, lib/vbitset.h: New files.
+ * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
+ lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
+ from libbitset.
+
+ * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
+ `How Can I Reset @code{yyparse}', since texinfo does not allow
+ arbitrary @ in node names.
+
+ * m4/Makefile.am (EXTRA_DIST): Add the following files, which
+ shouldn't be needed according to the gettext 0.12.1 documentation
+ but which seem to be needed anyway: codeset.m4 glibc21.m4
+ intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
+ lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
+ * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
+
+ * lib/.cvsignore: Add stdbool.h.
+ * m4/.cvsignore: Add nls.m4, po.m4.
+
+ Upgrade to CVS gnulib.
+ * stdbool_.h: File renamed from stdbool.h.in.
+ * configure.ac (AM_STDBOOL_H): Invoke this instead of
+ AC_HEADER_STDBOOL.
+ (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
+ (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
+ * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
+ (MOSTLYCLEANFILES): New var.
+ ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
+ (stdbool.h): New rule.
+ * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
+ lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
+ lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
+ m4/quote.m4: Upgrade to today's gnulib.
+
+ * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
+ (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
+ the tests right now.
+ * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
+ yyerror are declared before use; C99 requires this.
+
+2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+
+ * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
+ first.
+ (yyrecoverSyntaxError): Correct the logic for setting and testing
+ yyerrState.
+ Correct comment on handling EOF.
+ Allow states with only a default reduction, rather than failing
+ (I can't quite reconstruct why these were not allowed before).
+
+ Fixes to avoid problem that $-N rules in GLR parsers can cause
+ buffer overruns, corrupting state.
+
+ * src/output.c (prepare_rules): Output max_left_semantic_context
+ definition.
+ * src/reader.h (max_left_semantic_context): New variable declaration.
+ * src/scan-gram.l (max_left_semantic_context): Define.
+ (handle_action_dollar): Update max_left_semantic_context.
+ * data/glr.c (YYMAXLEFT): New definition.
+ (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
+ (yyresolveAction): Ditto.
+
+ Fixes to problems with location handling in GLR parsers reported by
+ Frank Heckenbach (2003/06/05).
+
+ * data/glr.c (YYLTYPE): Make trivial if locations not used.
+ (YYRHSLOC): Add parentheses, and define only if locations used.
+ (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
+ locations not used.
+ (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
+ (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
+
+ * tests/cxx-type.at: Exercise location information; update tests
+ to differentiate output with and without locations.
+ Remove forward declarations of yylex and yyerror---caused errors
+ because default YYLTYPE not yet defined.
+ Change semantic actions to compute strings, rather than printing
+ them directly (to test proper passing of semantics values). Change
+ output to prefix notation and update test data and expected results.
+ (yylex): Track locations.
+ (stmtMerge): Return value rather than printing, and include arguments
+ in value.
+
+2003-06-03 Paul Eggert <eggert@twinsun.com>
+
+ Avoid warnings generated by GCC 2.95.4 when Bison is
+ configured with --enable-gcc-warnings.
+ * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
+ yy::]b4_parser_class_name[::translate_,
+ yy::Stack::operator[] (unsigned),
+ yy::Stack::operator[] (unsigned) const,
+ yy::Slice::operator[] (unsigned),
+ yy::Slice::operator[] (unsigned) const):
+ Rename local vars to avoid warnings.
+ * tests/glr-regression.at (Improper handling of embedded actions
+ and $-N in GLR parsers): Remove unused local variable from yylex.
+ * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
+ (void) as arg when not pure, since we now assume C89 when building
+ Bison. Pacify GCC by using parameter.
+
+2003-06-02 Paul Eggert <eggert@twinsun.com>
+
+ * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
+ yy::Location::lines, yy::Location::columns): Rename arguments
+ to avoid shadowing; this removes a warning generated by GCC 3.3.
+
+2003-06-01 Paul Eggert <eggert@twinsun.com>
+
+ Don't pass C-only warning optins (e.g., -Wmissing-declarations)
+ to g++, as GCC 3.3 complains if you do it.
+ * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
+ everything that WARNING_CFLAGS has, except omit warnings
+ not suitable for C++.
+ (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
+ * tests/atlocal.in (CXXFLAGS): New var.
+ * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
+
+ Fix a GLR parser bug I reported in February; see
+ <http://mail.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
+ The problem was that GLR parsers did not conform to the C standard,
+ because actions like { $1 = $2 + $3; } expanded to expressions
+ that invoked YYFILL in separate subexpressions, and YYFILL assigned
+ to a local variable. The C standard says that expressions
+ like (var = f ()) + (var = f ()) have undefined behavior.
+ Another problem was that GCC sometimes issues warnings that
+ yyfill and its parameters are unused.
+
+ * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
+ as possibly unused.
+ (yyfill): New function.
+ (YYFILL): Use it.
+ (yyuserAction): Change type of yynormal to bool, so that it matches
+ the new yyfill signature. Mark it as possibly unused.
+
+
+ Follow up on a bug I reported in February, where a Bison-generated
+ parser can loop. Provide a test case and a fix for yacc.c. I
+ don't have a fix for lalr1.cc or for glr.c, unfortunately.
+ The original bug report is in:
+ <http://mail.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
+
+ * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
+ macro's size was becoming unwieldy.
+ (yyerrlab): Do not discard an empty lookahead symbol, as this
+ might destroy garbage.
+ (yyerrorlab): New label, with the old contents of YYERROR,
+ plus the following change: pop the stack of rhs corresponding
+ to the production that invoked YYERROR. That is how Yacc
+ behaves, and POSIX requires this behavior.
+ (yyerrlab1): Use YYPOPSTACK instead of its definiens.
+ * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
+ Define 'alarm' to do nothing if unistd.h is not available.
+ Add a new rule "exp: '-' error;" to test the above change to
+ data/yacc.c. Use 'alarm' to abort any test taking longer than
+ 10 seconds, as it's probably looping.
+ (AT_CHECK_CALC): Test recovery from error in new grammar rule.
+ Also, the new yacc.c generates two fewer diagnostics for an
+ existing test.
+
+2003-05-24 Paul Eggert <eggert@twinsun.com>
+
+ * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
+ YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
+ This fixes a problem reported by John Bowman when the Compaq/HP
+ Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
+ -ansi -Wall -gall).
+ * data/yacc.c (union yyalloc): Likewise.
+ (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
+
+ Switch from 'int' to 'bool' where that makes sense.
+
+ * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
+ abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
+ abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
+ abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
+ Return or accept bool, not int. All callers changed.
+ * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
+ bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
+ * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
+ bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
+ bitset_or_and_cmp_): Likewise.
+ * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
+ * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
+ bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
+ bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
+ bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
+ bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
+ bitset_stats_or_and_cmp): Likewise.
+ * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
+ ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
+ ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
+ ebitset_xor_cmp): Likewise.
+ * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
+ lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
+ lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
+ lbitset_xor_cmp): Likewise.
+ * lib/bbitset.h: Include <stdbool.h>.
+ (struct bitset_vtable): The following members now return bool, not
+ int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
+ and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
+ or_and_cmp).
+ * src/conflicts.c (count_rr_conflicts): Likewise.
+ * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
+ All uses changed.
+ * lib/ebitset.c (ebitset_obstack_init): Likewise.
+ * lib/lbitset.c (lbitset_obstack_init): Likewise.
+ * src/getargs.c (debug_flag, defines_flag, locations_flag,
+ no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
+ graph_flag): Likewise.
+ * src/getargs.h (debug_flag, defines_flag, locations_flag,
+ no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
+ graph_flag): Likewise.
+ * src/output.c (error_verbose): Likewise.
+ * src/output.h (error_verbose): Likewise.
+ * src/reader.c (start_flag, typed): Likewise.
+ * src/reader.h (typed): Likewise.
+ * src/getargs.c (LOCATIONS_OPTION): New constant.
+ (long_options, getargs): Use it.
+ * src/lalr.c (build_relations): Use bool, not int.
+ * src/nullable.c (nullable_compute): Likewise.
+ * src/print.c (print_reductions): Likewise.
+ * src/tables.c (action_row, pack_vector): Likewise.
+ * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
+ * src/output.c (prepare): Use it.
+ * src/output.c (token_definitions_output,
+ symbol_destructors_output, symbol_destructors_output): Use string,
+ not boolean integer, to keep track of whether to output separator.
+ * src/print_graph.c (print_core): Likewise.
+ * src/state.c (state_rule_lookaheads_print): Likewise.
+
+ * config/install-sh: Sync from automake 1.7.5.
+
projects / bison.git / blobdiff