Robert Anisko [Mon, 4 Mar 2002 16:37:52 +0000 (16:37 +0000)]
* data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
provide a default implementation.
Akim Demaille [Mon, 4 Mar 2002 16:23:35 +0000 (16:23 +0000)]
* tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
* tests/output.at (AT_CHECK_OUTPUT): Likewise.
* tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
* tests/semantic.at (Parsing Guards): Similarly.
* src/reader.at (readgram): Complain if the last rule is not ended
with a semi-colon.
Akim Demaille [Mon, 4 Mar 2002 13:56:41 +0000 (13:56 +0000)]
* src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
* src/reduce.c: Remove the `bitset_zero's following the
`bitset_create's, as now it is performed by the latter.
Akim Demaille [Mon, 4 Mar 2002 12:05:30 +0000 (12:05 +0000)]
Use bitset operations when possible, not loops over bits.
* src/conflicts.c (set_conflicts, count_sr_conflicts): Use
bitset_or.
* src/print.c (print_reductions): Use bitset_and, bitset_andn.
* src/reduce.c (useless_nonterminals): Formatting changes.
* src/warshall.c (TC): Use bitset_or.
Akim Demaille [Mon, 4 Mar 2002 12:03:36 +0000 (12:03 +0000)]
* src/L0.c, src/LR0.h (nstates): Be size_t.
Adjust comparisons (signed vs unsigned).
* src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
bitset*.
Adjust all dependencies.
Akim Demaille [Mon, 4 Mar 2002 12:03:01 +0000 (12:03 +0000)]
* src/closure.c (firsts): Now, also a bitset.
Adjust all dependencies.
(varsetsize): Remove, now unused.
* src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
Akim Demaille [Mon, 25 Feb 2002 13:44:43 +0000 (13:44 +0000)]
* lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
Fileutils 4.1.5.
* configure.in: Invoke UTILS_FUNC_MKSTEMP.
* src/output.c (output_skeleton): Use mkstemp to create a real
temporary file.
Move the filling of `skeleton' and its muscle to...
(prepare): here.
(output): Move the definition of the prologue muscle to...
(prepare): here.
* src/system.h (DEFAULT_TMPDIR): New.
Paul Eggert [Thu, 14 Feb 2002 20:29:31 +0000 (20:29 +0000)]
Remove the support for C++ namespace cleanliness; it was
causing more problems than it was curing, since it didn't work
properly on some nonstandard C++ compilers. This can wait
for a proper C++ parser.
* NEWS: Document this.
* doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
of C++, as it's treated like C now.
* src/bison.simple (YYSTD): Remove.
(YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
Treat C++ just like Standard C instead of trying to support
namespace cleanliness.
Paul Eggert [Thu, 14 Feb 2002 20:27:45 +0000 (20:27 +0000)]
(YYSTD): Remove.
(YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
Treat C++ just like Standard C instead of trying to support
namespace cleanliness.
Robert Anisko [Thu, 7 Feb 2002 16:41:23 +0000 (16:41 +0000)]
* data/bison.c++: Replace some direct m4 expansions by constants. Be
more consistent when naming methods and variables. Put preprocessor
directives around tables only needed for debugging.
Robert Anisko [Thu, 7 Feb 2002 11:35:40 +0000 (11:35 +0000)]
* data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
C++ parsers.
(yy::b4_name::parse): Build verbose error messages, and use error_.
Akim Demaille [Tue, 5 Feb 2002 10:08:59 +0000 (10:08 +0000)]
Give a try to M4 as a back end.
* lib/readpipe.c: New, from wdiff.
* src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
BISON_HAIRY.
* src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
specific values. Now it is m4 that performs the lookup.
* src/parse-skel.y: Remove.
* src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
* src/output.c (actions_output, guards_output)
(token_definitions_output): No longer keeps track of the output
line number, hence remove the second argument.
(guards_output): Check against the guard member of a rule, not the
action member.
Adjust callers.
(output_skeleton): Don't look for the skeleton location, let m4 do
that.
Create `/tmp/muscles.m4'. This is temporary, a proper temporary
file will be used.
Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
(prepare): Given that for the time being changesyntax is not
usable in M4, rename the muscles using `-' to `_'.
Define `defines_flag', `output_parser_name' and `output_header_name'.
* src/output.h (actions_output, guards_output)
(token_definitions_output): Adjust prototypes.
* src/scan-skel.l: Instead of scanning the skeletons, it now
processes the output of m4: `__oline__' and `#output'.
* data/bison.simple: Adjust to be used by M4(sugar).
* tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
to date.
* tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
* data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
shamelessly stolen from CVS Autoconf.
Akim Demaille [Tue, 5 Feb 2002 10:00:47 +0000 (10:00 +0000)]
* lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
* configure.in: Check for the declarations of free and malloc.
* src/muscle_tab.c: Adjust.
Paul Eggert [Tue, 29 Jan 2002 13:58:06 +0000 (13:58 +0000)]
* src/bison.simple (YYSIZE_T): Do not define merely because
YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
On some platforms, <alloca.h> does not declare YYSTD (size_t).
Paul Eggert [Tue, 29 Jan 2002 13:55:32 +0000 (13:55 +0000)]
(YYSIZE_T): Do not define merely because YYSTACK_USE_ALLOCA is nonzero
or alloca or _ALLOCA_H are defined. On some platforms, <alloca.h>
does not declare YYSTD (size_t).
Akim Demaille [Sun, 27 Jan 2002 13:57:17 +0000 (13:57 +0000)]
Fix `%nonassoc and eof'.
* src/state.c (errs_dup): Aaaah! The failure was due to bytes
which were not properly copied! Replace
memcpy (res->errs, src->errs, src->nerrs);
with
memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
!!!
* tests/regression.at (%nonassoc and eof): Adjust to newest
Autotest: `.' is not in the PATH.
Akim Demaille [Thu, 24 Jan 2002 17:09:34 +0000 (17:09 +0000)]
Bison dumps core when trying to complain about broken input files.
Reported by Cris van Pelt.
* src/lex.c (parse_percent_token): Be sure to set token_buffer.
* tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
into...
(Invalid inputs): Strengthen: exercise parse_percent_token.
Marc Autret [Sun, 20 Jan 2002 15:46:19 +0000 (15:46 +0000)]
* tests/output.at: New test.
* src/files.c (compute_base_names): Don't map extensions when
the YACC flag is set, use defaults.
Reported by Evgeny Stambulchik.
Akim Demaille [Tue, 8 Jan 2002 17:28:18 +0000 (17:28 +0000)]
* src/getargs.c (AS_FILE_NAME): New.
(getargs): Use it to convert DOSish file names.
* src/files.c (base_name): Rename as full_base_name to avoid
clashes with `base_name ()'.
(filename_split): New.
(compute_base_names): N-th rewrite, using filename_split.
Akim Demaille [Tue, 8 Jan 2002 17:27:46 +0000 (17:27 +0000)]
* lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
New, stolen from the Fileutils 4.1.
* lib/Makefile.am (libbison_a_SOURCES): Adjust.
* configure.in: Check for the presence of memrchr, and of its
prototype.
Tim Van Holder [Mon, 7 Jan 2002 23:00:39 +0000 (23:00 +0000)]
* lib/hash.h (__P): Added definition for this macro.
* src/Makefile.am: Add parse-skel.c and scan-skel.c to BUILT_SOURCES, to ensure they are generated first.
* src/parse-skel.y: Use YYERROR_VERBOSE instead of %error-verbose to allow bootstrapping with bison 1.30x.
Akim Demaille [Sun, 6 Jan 2002 20:50:08 +0000 (20:50 +0000)]
* src/reader.c (parse_braces): Don't fetch the next char, the
convention is to fetch on entry.
* tests/torture.at (GNU Cim Grammar): Reintroduce their weird
'switch' without a following semicolon.
* tests/regression.at (braces parsing): New.
Akim Demaille [Sun, 6 Jan 2002 20:49:40 +0000 (20:49 +0000)]
Creating package.m4 from configure.ac causes too many problems.
* tests/Makefile.am (package.m4): Create it by hand,
AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
Akim Demaille [Thu, 3 Jan 2002 09:55:49 +0000 (09:55 +0000)]
* src/bison.simple (YYSTDERR): Remove, replace `stderr'.
The ISO C++ standard is extremely clear about it: stderr is
considered a macro, not a regular symbol (see table 94 `Header
<cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
Therefore std:: does not apply to it. It still does with fprintf.
Also, s/cstdio.h/cstdio/.