ochangelog

bison 2.0 主要可以用来做语法分析用的

1998-01-04  J.J. van der Heijden  <[e-mail]>

	* src/files.c (openfiles) [_WIN32 && !__CYGWIN32__]: Use TEMP or
	Temp to find a temporary directory, if possible.  Do not unlink
	files while they are open.

1997-08-25  Richard Stallman  <[e-mail]>

	* src/reader.c (stack_offset;): Change some warni to warns.

	* src/lex.c (literalchar): Use warns, not warni.

1997-06-28  Richard Stallman  <[e-mail]>

	* src/bison.simple: Add a Bison version comment.

	* Makefile.in (bison_version): New variable.
	(dist): Use that variable.
	(bison.s1): Substitute the Bison version into bison.simple.

	* src/main.c (fatal, warn, berror): Use program_name.

1997-06-18  Richard Stallman  <[e-mail]>

	* Makefile.in: new.h renamed to alloc.h.
	* src/*.c: src/new.h renamed to src/alloc.h.

	* src/alloc.h: Renamed from src/new.h.

1997-06-15  Richard Stallman  <[e-mail]>

	* src/main.c (fatal, warn, berror): Make error messages standard.
	(toomany): Improve error message text.

1997-05-24  Richard Stallman  <[e-mail]>

	* src/lex.c (literalchar): Fix the code for escaping \, " and '.

1997-05-23  Richard Stallman  <[e-mail]>

	* src/lex.c (lex): Avoid trouble when there are many chars
	to discard in a char literal with just several chars in it.

1997-05-17  Richard Stallman  <[e-mail]>

	* src/bison.simple: Use malloc, if using alloca is troublesome.
	(YYSTACK_USE_ALLOCA): New flag macro.
	Define it for some systems and compilers.
	(YYSTACK_ALLOC): New macro.
	(yyparse): Use YYSTACK_ALLOC to allocate stack.
	If it was malloc'd, free it.

1997-05-02  Richard Stallman  <[e-mail]>

	* src/bison.simple [_AIX]: Don't include malloc.h.

1997-04-23  Richard Stallman  <[e-mail]>

	* src/bison.simple (alloca) [__hpux]: Always define as
	__builtin_alloca.

1997-04-22  Richard Stallman  <[e-mail]>

	* src/bison.simple (__yy_memcpy): Declare arg `count' as unsigned
	int.
	(yyparse): Cast third arg to __yy_memcpy to unsigned int.

	* src/bison.simple (alloca) [__hpux]: Include alloca.h (right for
	HPUX 10) instead of declaring alloca (right for HPUX 9).

1997-01-02  Richard Stallman  <[e-mail]>

	* src/allocate.c [__STDC__ or _MSC_VER]:
	Declare calloc and realloc to return void *.

	* Makefile.in (dist): Explicitly check for symlinks, and copy them.

1996-12-17  Paul Eggert  <[e-mail]>

	* src/bison.simple (yyparse): If __GNUC__ and YYPARSE_PARAM are
	both defined, declare yyparse to have a void * argument.

1996-12-17  Richard Stallman  <[e-mail]>

	* src/system.h [_MSC_VER]: Include stdlib.h and process.h.
	[_MSC_VER] (getpid): Define as macro--translate it to _getpid.

	* src/reduce.c (nbits): Add some casts.

	* src/main.c (main): Return FAILURE as a value.
	(printable_version): Declare arg as int, not char.

	* src/files.c [_MSC_VER] (XPFILE, XPFILE1): Define, if not already
	defined.

1996-12-16  Richard Stallman  <[e-mail]>

	* src/main.c (printable_version): Use type `int' for the arg.

1996-08-12  Richard Stallman  <[e-mail]>

	* src/bison.simple: Test _MSDOS as well as _MSDOS_.

1996-07-31  Richard Stallman  <[e-mail]>

	* src/bison.simple [__sun && __i386]: Include alloca.h.

1996-07-30  Richard Stallman  <[e-mail]>

	* src/bison.simple: Test _MSDOS_, not MSDOS.

1996-06-01  Richard Stallman  <[e-mail]>

	* All files: Insert `_' macro around many string constants.

	* src/system.h [HAVE_LOCALE_H]: Include locale.h.
	[! HAVE_LOCALE_H] (setlocale): Define as no-op.
	[ENABLE_NLS]: Include libintl.h.
	[ENABLE_NLS] (gettext): Define.
	[! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
	(N_, PACKAGE, LOCALEDIR): New macros.

	* src/main.c (main): Call setlocale, bindtextdomain and textdomain.

	* POTFILES.in: New file.

	* Makefile.in (allocate.o): Define target explicitly.

1996-06-01  Jim Meyering  <[e-mail]>

	* Makefile.in (CFLAGS): Set to @CFLAGS@.
	(LDFLAGS): Set to @LDFLAGS@.
	(configure): Run autoconf only if preceding `cd' succeeds.
	(src/bison.s1): Redirect output to temporary file then move the
	temporary to the target, rather than redirecting directly to
	src/bison.s1.
	(clean): Remove config.status and config.log.
	(distclean): Don't remove config.status here.

1996-05-12  Jim Meyering  <[e-mail]>

	* src/bison.simple (__yy_memcpy) [__cplusplus]: Reorder declarations
 	of variables f and t.

1996-05-11  Richard Stallman  <[e-mail]>

	* Version 1.25 released.

	* Makefile.in (dist): Don't use $(srcdir).

	* src/bison.simple (__yy_memcpy): Really reorder the args, as was
	supposedly done on Feb 14 1995.
	(yyparse): Calls changed accordingly.

1996-01-24  Richard Stallman  <[e-mail]>

	* src/output.c (output_rule_data): Test YYERROR_VERBOSE in the
	conditional around the definition of ttyname.

1995-12-28  Richard Stallman  <[e-mail]>

	* src/bison.simple: Fix line numbers in #line commands.

1995-12-24  Richard Stallman  <[e-mail]>

	* src/bison.simple (YYPARSE_PARAM_DECL): In C++, make it always
	null.
	(YYPARSE_PARAM_ARG): New macro.
	(yyparse): Use YYPARSE_PARAM_ARG.

1995-10-15  Richard Stallman  <[e-mail]>

	* src/version.c: Version now 1.25.

	* src/main.c (warn): Set `failure'.

1995-08-01   Wilfred J. Hansen  <[e-mail]>

	* src/bison.cld, src/getargs.c, src/vmsgetargs.c: Added -n, -k,
	and -raw switches.
	(noparserflag, toknumflag, rawtoknumflag): New variables.

	* src/conflicts.c (resolve_sr_conflict): Remove use of alloca.

	* src/files.c (openfiles, open_extra_files, done):  Add faction flag
	and actfile file.  Handle noparserflag.  Both for -n switch.

	* src/lex.c: Include getopt.h.  Add some extern decls.
	(safegetc): New function to deal with EOF gracefully.
	(literalchar); new function to deal with reading \ escapes.
	(lex): Use literalchar.
	(lex): Implemented "..." tokens.
	(literalchar, lex, parse_percent_token): Made tokenbuffer
	always contain the token.  This includes growing the token
	buffer while reading an integer.
	(parse_percent_token): Replaced if-else statement with percent_table.
	(parse_percent_token): Added % declarations as another
	way to specify the flags -n, -l, and -r.  Also added hooks for
	-d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
	major changes to src/files.c.
	(lex) Retain in the incoming stream a character following
	an incorrect '/'.
	(skip_white_space, lex):  Revised most error messages
	and changed fatal to warn to avoid aborting.
	(percent_table):  Added %thong declarations.

	* src/lex.h: Added THONG and NOOP for alias processing.
	Added SETOPT for the new code that allows setting options with %flags.

	* src/main.c (main): If reader sees an error, don't process the
	grammar.
	(fatals): Updated to not use VARARGS1.
	(printable_version, int_to_string, warn, warni, warns, warnss)
	(warnsss): New error reporting functions.  Avoid abort for error.

	* src/output.c (output_headers, output_trailers, output, output_gram)
	(output_rule_data): Implement noparserflag variable.
	Implement toknumflag variable.
	(output): Call reader_output_yylsp to output LTYPESTR.

	* src/reader.c (reader_output_yylsp): New function.
	(readgram): Use `#if 0' around code that accepted %command inside
	grammar rules: The documentation doesn't allow it, and it will
	fail since the %command processors scan for the next %.
	(parse_token_decl): Extended the %token declaration to allow a
	multi-character symbol as an alias.
	(parse_thong_decl): New function.
	(read_declarations): Added %thong declarations.
	(read_declarations): Handle NOOP to deal with allowing %
	declarations as another means to specify the flags.
	(readgram): Allow %prec prior to semantics embedded in a rule.
	(skip_to_char, read_declarations, copy_definition)
	(parse_token_decl, parse_start_decl, parse_type_decl)
	(parse_assoc_decl, parse_union_decl, parse_expect_decl)
	(get_type_name, copy_guard, copy_action, readgram)
	(get_type, packsymbols): Revised most error messages.  Changed
	`fatal' to `warnxxx' to avoid aborting for error.  Revised and use
	multiple warnxxx functions to avoid using VARARGS1.
	(read_declarations): Improve the error message for an invalid
	character.  Do not abort.
	(read_declarations, copy_guard, copy_action): Use
	printable_version to avoid unprintable characters in printed
	output.
	(parse_expect_decl): Error if argument to %expect exceeds 10
	digits.
	(parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
	Allow the type of a non-terminal can be given more than once, as
	long as all specifications give the same type.

	* src/reduce.c (reduce_grammar): Revise an error message.
	(print_notices): Remove final `.' from error message.

	* src/symtab.h (SALIAS): New #define for adding aliases to %token.
	(struct bucket): Added `alias' field.

1995-05-03  Richard Stallman  <[e-mail]>

	* src/bison.simple: Change distribution terms.

	* src/version.c: Version now 1.23.  No, 1.24.

1995-02-23  Richard Stallman  <[e-mail]>

	* src/files.c: Test __VMS_POSIX as well as VMS.

1995-02-14  Jim Meyering <[e-mail]>

	* src/bison.simple (__yy_memcpy): Renamed from __yy_bcopy to avoid
	confusion.  Reverse FROM and TO arguments to be consistent with
	those of memcpy.

1994-11-10  David J. MacKenzie  <[e-mail]>

	* Makefile.in (DISTFILES): Include install-sh, not install.sh.
	Include NEWS.

	* configure.in: Update to Autoconf v2 macro names.

1994-10-04  David J. MacKenzie  <[e-mail]>

	* Makefile.in (prefix, exec_prefix): Let configure set them.

1994-09-28  David J. MacKenzie  <[e-mail]>

	* Makefile.in: Set datadir to $(prefix)/share.

1994-07-12  Richard Stallman  <[e-mail]>

	* src/reader.c (reader): Rename undefined-token token to
	`$undefined.'.

1994-05-05  David J. MacKenzie  <[e-mail]>

	* Makefile.in (DISTFILES): Add install.sh.
	(install): Remove chmod commands.

1994-03-26  Richard Stallman  <[e-mail]>

	* src/bison.simple: Fix #line commands.

1994-03-24  Richard Stallman  <[e-mail]>

	* src/conflicts.c (print_reductions): Increment both fp1 and fp2
	while printing reductions in multi-rule case.

1994-01-02  Richard Stallman  <[e-mail]>

	* Makefile.in (LDFLAGS): Make it empty by default.
	(bison): Use CFLAGS.

1993-11-21  Richard Stallman  <[e-mail]>

	* src/bison.simple (YYLEX): Take notice of YYLEX_PARAM.

1993-10-18  Richard Stallman  <[e-mail]>

	* src/bison.simple (YYPARSE_PARAM_DECL): Always define this.

1993-10-14  Richard Stallman  <[e-mail]>

	* src/bison.simple (yyparse): Support YYPARSE_PARAM.

1993-09-13  Noah Friedman  <[e-mail]>

	* Makefile.in (check): New target.

1993-09-10  Richard Stallman  <[e-mail]>

	* src/conflicts.c (alloca): #undef before defining.

	* src/system.h (bcopy): Don't define if already defined.

1993-09-06  Noah Friedman  <[e-mail]>

	* Version 1.22 released.

	* mkinstalldirs: New file.

	* Makefile.in (dist): Use .gz for extension, not .z.
	(DISTFILES): New variable.
	(dist): Use it instead of explicit file list.
	Try to link each file separately, then copy file if ln fails.
	(installdirs): Use mkinstalldirs script.

1993-07-29  David J. MacKenzie  <[e-mail]>

	* Makefile.in (config.status): Run config.status --recheck, not
	configure, to get the right args passed.

1993-07-24  Richard Stallman  <[e-mail]>

	* src/bison.simple (yyparse): Init yychar1 to avoid warning.

1993-07-04  Richard Stallman  <[e-mail]>

	* src/bison.simple (yyparse): Don't set yyval when yylen is 0.

1993-06-26  David J. MacKenzie  <[e-mail]>

	* src/getargs.c (getargs): Exit after printing the version number.
	Add --help and -h options.
	(usage): New function.

1993-06-25  Richard Stallman  <[e-mail]>

	* src/getargs.c (longopts): Allow `output' as an alternative.

1993-06-16  Richard Stallman  <[e-mail]>

	* src/bison.simple (yyparse): Conditionalize the entire call to
	yyoverflow, not just two arguments in it.

1993-06-03  Richard Stallman  <[e-mail]>

	* src/bison.simple [__hpux] (alloca): Don't specify arg types.