X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/15f40952f7696eab92570c3be352204242bb80b3..d53ae497dc664618ce4bd250ea6aea7cf1fbb2b2:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 1bb4543a..30d4ba54 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,323 @@ +2005-07-24 Paul Eggert + + * NEWS: Version 2.0b. + + * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent + version of GCC, since the macro is used with non-GCC compilers. + + Fix core dump reported by Pablo De Napoli in + . + * tests/regression.at (Invalid inputs with {}): New test. + * src/parse-gram.y (token_name): Translate type before using + it as an index. + + * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on + the user's name space. All uses changed to __attribute__ + ((__unused__)). + (yyFail, yyMemoryExhausted, yyreportAmbiguity): + Add __attribute__ ((__noreturn__)). + + * etc/clcommit: Remove. We weren't using it, and it failed + "make maintainer-distcheck". + * Makefile.maint: Merge from coreutils. + (CVS_LIST, CVS_LIST_EXCEPT): New macros. + (syntax-check-rules): Change list of rules as described below. + (sc_cast_of_alloca_return_value, sc_dd_max_sym_length): + (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof): + (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope): + (sc_trailing_space): New rules. + (sc_xalloc_h_in_src): Remove. + (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value): + (sc_space_tab, sc_error_exit_success, sc_changelog): + (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics): + (makefile-check, po-check, author_mark_check): + (makefile_path_separator_check, copyright-check): + Use grep -n, to make it easier to find violations. + Use CVS_LIST and CVS_LIST_EXCEPT. + (header_regexp, h_re): Remove. + (dd_c): New macro. + (sc_dd_max_sym_length, .re-list, news-date-check): New rules. + (my-distcheck): Use more-modern GCC flags. + (signatures, %.asc): Remove. + (rel-files, announcement): Remove signatures. + Restore old updating code, even though we don't use it, so + that we're the same as coreutils. + (alpha, beta, major): Depend on news-date-check. + Make the upload commands. + + * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space. + * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise. + * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise. + * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise. + * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise. + * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise. + * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise. + * tests/sets.at: Likewise. + + * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that + we comment out the Autoconf version number. + * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as + it's error-prone and "make maintainer-distcheck" rejects it. + + * lib/subpipe.c: Include without checking for HAVE_FCNTL_H. + Indent calls to "error" to pacify "make maintainer-distcheck", + when the calls are not intended to be translated. + * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h. + + * src/Makefile.am (DEFS): Use +=, to pacify + "make maintainer-distcheck". + (bison_SOURCES): Add scan-skel.h. + (sc_tight_scope): New rule, from coreutils. + + * src/files.c (src_extension, header_extension): + Now static, not extern. + * src/getargs.c (short_options): Likewise. + * src/muscle_tab.c (muscle_table): Likewise. + * src/parse-gram.y (current_class, current_type, current_prec): + Likewise. + * src/reader.c (grammar_end, previous_rule_end): Likewise. + * src/getargs.h: Redo comments to pacify "make maintainer-distcheck". + * src/main.c (main): Cast bindtextdomain and textdomain calls to + void, to avoid warning when NLS is disabled. + * src/output.c: Include scan-skel.h. + (scan_skel): Remove decl, since scan-skel.h does this. + (output_skeleton): + Indent calls to "error" to pacify "make maintainer-distcheck". + * src/print_graph.c: Don't include , as system.h does this. + * src/reader.h (gram_end, gram_lineno): New decls to pacify + "make maintainer-distcheck". + * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in): + (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno): + (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug): + (skel_lex_destroy, scan_skel): Move these decls to... + * src/scan-skel.h: New file. + * src/uniqstr.c (uniqstr_assert): + Indent calls to "error" to pacify "make maintainer-distcheck". + + * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR), + not @VAR@. + + * tests/torture.at: Revamp to avoid misuse of atoi that + "make maintainer-distcheck" complained about. + + * examples/extexi (message): Don't print a message more than once, + and omit line-number decoration that makes Emacs compile think + that informative messages are worth worrying about. + +2005-07-22 Paul Eggert + + * configure.ac: Update version number. + + * Makefile.am (SUBDIRS): Add examples; somehow this got removed + accidentally. + * examples/calc++/calc++-parser.yy: Remove from CVS, as it's + autogenerated by the maintainer. + * examples/calc++/.cvsignore: Add *.yy. + + * lib/bitset.c (bitset_alloc): Don't cast xcalloc result. + * lib/bitset_stats.c (bitset_stats_init): Likewise. + * lib/bitsetv.c (bitsetv_alloc): Likewise. + + * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c. + + * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint + from maintainer-distcheck about casting the argument of 'free'. + + * NEWS: Mention recent yytname changes. + * THANKS: Add Anthony Heading, twlevo@xs4all.nl. + + * bootstrap: For translations that have not yet been upgraded to + the new runtime-po domain, prime the pump by extracting the + relevant strings from the obsolete translations. This code can be + removed once the bison-runtime domain has been translated by each + team. + + * src/scan-gram.l (.): Don't double-quote token names, + now that token names are already quoted. + + Fix problem reported by Anthony Heading. + * data/glr.c (YYTOKEN_TABLE): New macro. + (yytname): Define if YYTOKEN_TABLE. + * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise. + * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise. + (YYERROR_VERBOSE): Define the same way the other skeletons do. + * src/output.c (prepare_symbols): Output token_table_flag. + +2005-07-21 Paul Eggert + + * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc + again if the first call fails. + + * data/glr.c (yytnamerr): New function. + (yyreportSyntaxError): Use it to dequote most string literals. + * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility + with other skeletons. All uses changed. + (yytnameerr_): New function. + (yyreport_syntax_error): Use it to dequote most string literals. + * data/yacc.c (yytnamerr): New function. + (yyerrlab): Use it to decode most string literals. + * doc/bison.texinfo (Decl Summary, Calling Convention): + Clarify quoting convention of yytname. + * src/output.c (prepare_symbols): Quote all names. This undoes + the 2005-04-17 change, which is now accomplished (mostly) via + changes in the parsers as described above. + * tests/regression.at (Token definitions, Web2c Actions): + Undo most 2005-04-17 change here, too. + +2005-07-20 Paul Eggert + + Fix more problems reported by twlevo@xs4all.nl. + * tests/cxx-type.at: Don't pipe output of ./types through sed to + remove trailing spaces. This loses the exit status of ./types, + and isn't needed since ./types shouldn't be emitting trailing + spaces. + * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed, + as the stack isn't valid in that case. + + * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out): + (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in): + (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy): + Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31 + is used. + * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out): + (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in): + (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy): + Likewise. + + * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with + overly-picky compilers that reject 'char *foo = "bar";'. + + * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output + to FILE * parameter, not to stderr. This fixes a typo introduced + in the 2005-07-12 change. + + * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid + warnings from GCC 4. + + * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack): + (yyglrShiftDefer, yysplitStack): + Remove unused parameters b4_pure_formals. All uses changed. + (yyglrShift): Remove unused parameters b4_user_formals. + All uses changed. + (yyglrReduce): Removed unused parameter yylocp. All uses changed. + +2005-07-18 Paul Eggert + + Destructor cleanups and regularization among the three skeletons. + * NEWS: Document the behavior changes. + * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the + stack before failing, as the cleanup code will do it for us now. + * data/lalr1.cc (yyerrlab): Likewise. + * data/glr.c (yyparse): Pop everything off the stack before + freeing it, so that destructors get called properly. + * data/lalr1.cc (yyreturn): Likewise. + * data/yacc.c (yyreturn): Pop and destroy the start symbol, too. + This is more consistent. + * doc/bison.texinfo (Destructor Decl): Mention more reasons + why destructors might be called. 1.875 -> 2.1. + (Destructor Decl, Decl Summary, Table of Symbols): + Some English-language cleanups for %destructor. + * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): + Add output line for destructor of start symbol. + * tests/calc.at (AT_CHECK_CALC): Add one to line counts, + because of that same extra output line. + + * NEWS: Document minor wording changes in diagnostics of + Bison-generated parsers. + * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow. + Remove unused formals. All uses changed. + (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous". + (yyparse): Rename yyoverflowlab to yyexhaustedlab. + * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted". + Rename yyoverflowab to yyexhaustedlab. + When memory exhaustion occurs during syntax-error reporting, + report it separately rather than in a single diagnostic; this + eases translation. + * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow. + (Memory Exhausted): Renamed from Parser Stack Overflow. + Revamp wording slightly to prefer "memory exhaustion". + * tests/actions.at: "parser stack overflow" -> "memory exhausted". + + * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf. + + Add i18n support to the GLR skeleton. Partially fix the C++ + skeleton; a C++ expert needs to finish this. Remove debugging + msgids; there's little point to having them translated, since they + can be understood only by someone who can read the + (English-language) source code. + + Generate runtime-po/bison-runtime.pot automatically, so that we + don't have to worry about garbage getting in that file. We'll + make sure after the next official release that old msgids don't + get lost. See + . + + * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove. + Now auto-generated. + * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet. + Fix typos in explanations of the runtime file. + * bootstrap: Change gettext keyword from YYI18N to YY_. + Use standard Makefile.in.in in runtime-po, since we'll arrange + for backward-compatible bison-runtime.po files in a different way. + * data/glr.c (YY_): New macro, from yacc.c. + (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse): + Translate messages intended for users. + (yyreportSyntaxError): Change "virtual memory" to "memory" to match + the wording in the other skeletons. We don't know that the memory + is virtual. + * data/lalr1.cc (YY_): Renamed from _. All uses changed. + Use same method that yacc.c uses. + Don't translate debugging messages. + (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff; + it doesn't work (yet), and requires C++ expertise to fix. + * data/yacc.c (YY_): Renamed from YY18N. All uses changed. + Move defn to a more logical place, to be consistent with other + skeletons. + Don't translate debugging messages. + Don't assume line numbers fit in unsigned int; use unsigned long fmts. + * doc/bison.texinfo: Mention . Change glibc cross reference + to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS. + * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc. + + Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl. + * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return + void, not int. + * tests/glr-regression.at (Badly Collapsed GLR States): + Likewise. + (Improper handling of embedded actions and dollar(-N) in GLR parsers): + yylex should return 0 at EOF rather than aborting. + + Improve tests for stack overflow in GLR parser. + Problem reported by twlevo@xs4all.nl. + * data/glr.c (struct yyGLRStack): Remove yyerrflag member. + All uses removed. + (yyStackOverflow): Just longjmp, but with value 2 so that caller + can handle the problem. + (YYCHK1): Use goto (a la yacc.c) rather than setting a flag. + (yyparse): New local variable yyresult to record the result. + Use result of setjmp to set it, rather than storing itinto + struct. + (yyDone): Remove label. + (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels, + to mimic yacc.c. Do not discard lookahead if it's EOF (possible + if YYABORT is used). + * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with + yyparse status; put status > 1 into diagnostic. + Check that status==2 works. + * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at: + Use exit status 3 for failure to open (which shouldn't happen). + 2005-07-17 Paul Eggert + * tests/conflicts.at (%nonassoc and eof): Don't exit with status + 1 on syntax error; just let yyparse do its thing. + * tests/glr-regression.at (Badly Collapsed GLR States): Likewise. + * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise. + (Exploding the Stack Size with Alloca): + (Exploding the Stack Size with Malloc): + Expect exit status 2, not 1, since the parser is supposed to blow + its stack. Problem reported by twlevo@xs4all.nl. + * data/glr.c (yyparse): Don't assume that the initial calls to YYMALLOC succeed; in that case, yyparse incorrectly returned 0. Print a stack-overflow message and fail instead. @@ -1110,7 +1428,7 @@ line. 2004-10-22 Akim Demaille - and Paul Eggert + and Paul Eggert Remove some arbitrary limits on goto numbers and relations. * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit @@ -1340,7 +1658,7 @@ 2004-09-06 Akim Demaille * data/lalr1.cc: Adjust the indentation of the labels. - (Parser::pop): New. + (Parser::pop): New. Use it. 2004-09-06 Akim Demaille @@ -13713,24 +14031,13 @@ * REFERENCES: entered into RCS ------ - -Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997, -1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. - -This file is part of Bison, the GNU Compiler Compiler. -Bison is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. + ----- -Bison is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, + 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software + Foundation, Inc. -You should have received a copy of the GNU General Public License -along with Bison; see the file COPYING. If not, write to -the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. + Copying and distribution of this file, with or without + modification, are permitted provided the copyright notice and this + notice are preserved.