ochangelog

Bison语法分析器

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

	* 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]>

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

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

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

	* 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.

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

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

	* Makefile.in: new.h renamed to alloc.h.
	* *.c: new.h renamed to alloc.h.
	
	* alloc.h: Renamed from new.h.

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

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

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

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

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

	* 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]>

	* 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]>

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

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

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

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

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

	* 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]>

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

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

Tue Dec 17 21:19:31 1996  Paul Eggert  <[e-mail]>

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

Tue Dec 17 01:12:08 1996  Richard Stallman  <[e-mail]>

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

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

	* main.c (main): Return FAILURE as a value.
	(printable_version): Declare arg as int, not char.
	
	* files.c [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.

Mon Dec 16 19:28:01 1996  Richard Stallman  <[e-mail]>

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

Mon Aug 12 18:16:54 1996  Richard Stallman  <[e-mail]>

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

Wed Jul 31 15:18:38 1996  Richard Stallman  <[e-mail]>

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

Tue Jul 30 00:36:43 1996  Richard Stallman  <[e-mail]>

	* bison.simple: Test _MSDOS_, not MSDOS.

Sat Jun  1 17:59:56 1996  Richard Stallman  <[e-mail]>

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

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

	* POTFILES.in: New file.

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

Sat Jun 1 08:34:46 1996  Jim Meyering  ([e-mail])

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

Sun May 12 08:34:46 1996  Jim Meyering  ([e-mail])

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

Sat May 11 15:11:15 1996  Richard Stallman  <[e-mail]>

	* Version 1.25 released.

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

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

Wed Jan 24 22:56:29 1996  Richard Stallman  <[e-mail]>

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

Thu Dec 28 23:27:32 1995  Richard Stallman  <[e-mail]>

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

Sun Dec 24 16:59:44 1995  Richard Stallman  <[e-mail]>

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

Sun Oct 15 12:44:09 1995  Richard Stallman  <[e-mail]>

	* version.c: Version now 1.25.

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

Tue Aug  1 12:30:38 EDT 1995   Wilfred J. Hansen  <[e-mail]>

	* bison.cld, getargs.c, vmsgetargs.c: Added -n, -k, and -raw switches.
	(noparserflag, toknumflag, rawtoknumflag): New variables.
	
	* conflicts.c (resolve_sr_conflict): Remove use of alloca.

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

	* 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 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.

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

	* 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.

	* 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.

	* 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.

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

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

Wed May  3 03:12:28 1995  Richard Stallman  <[e-mail]>

	* bison.simple: Change distribution terms.

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

Thu Feb 23 02:43:21 1995  Richard Stallman  <[e-mail]>

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

Tue Feb 14 11:53:05 1995  Jim Meyering ([e-mail])

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

Thu Nov 10 16:33:41 1994  David J. MacKenzie  <[e-mail]>

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

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

Tue Oct  4 22:25:43 1994  David J. MacKenzie  ([e-mail])

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

Wed Sep 28 09:55:28 1994  David J. MacKenzie  ([e-mail])

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

Tue Jul 12 16:42:43 1994  Richard Stallman  ([e-mail])

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

Thu May  5 14:41:02 1994  David J. MacKenzie  ([e-mail])

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

Sat Mar 26 15:33:07 1994  Richard Stallman  ([e-mail])

	* bison.simple: Fix #line commands.

Thu Mar 24 23:09:07 1994  Richard Stallman  ([e-mail])

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

Sun Jan  2 15:51:52 1994  Richard Stallman  ([e-mail])

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

Sun Nov 21 05:24:30 1993  Richard Stallman  ([e-mail])

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

Mon Oct 18 23:52:33 1993  Richard Stallman  ([e-mail])

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

Thu Oct 14 12:19:13 1993  Richard Stallman  ([e-mail])

	* bison.simple (yyparse): Support YYPARSE_PARAM.

Mon Sep 13 18:17:14 1993  Noah Friedman  ([e-mail])

        * Makefile.in (check): New target.

Fri Sep 10 08:10:18 1993  Richard Stallman  ([e-mail])

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

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

Mon Sep  6 15:32:32 1993  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.

Thu Jul 29 20:35:02 1993  David J. MacKenzie  ([e-mail])

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

Sat Jul 24 04:00:52 1993  Richard Stallman  ([e-mail])

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

Sun Jul  4 16:05:58 1993  Richard Stallman  ([e-mail])

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

Sat Jun 26 15:54:04 1993  David J. MacKenzie  ([e-mail])

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

Fri Jun 25 15:11:25 1993  Richard Stallman  ([e-mail])

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

Wed Jun 16 17:02:37 1993  Richard Stallman  ([e-mail])