platform/upstream/bison.git
14 years agoCode cleanup.
Joel E. Denny [Thu, 17 Dec 2009 06:09:09 +0000 (01:09 -0500)]
Code cleanup.

* src/symtab.c, src/symtab.h (symbol_class_get_string): Remove
function, which is no longer used.
(cherry picked from commit 387b4d504728391605f751e74a36fb7d0d441b19)

14 years agoAdd gcc's -Wundef to test suite and fix another warning from it.
Joel E. Denny [Wed, 16 Dec 2009 18:19:19 +0000 (13:19 -0500)]
Add gcc's -Wundef to test suite and fix another warning from it.

* NEWS (2.4.2): Update description of -Wundef fix.
* configure.ac (WARN_CXXFLAGS_TEST): New substitution.
(WARN_CFLAGS_TEST): New substitution.
* data/glr.c: Avoid warning about __STRICT_ANSI__.
* tests/atlocal.in (CFLAGS): Use WARN_CFLAGS_TEST instead of
WARN_CFLAGS.
(NO_WERROR_CFLAGS): Likewise.
(CXXFLAGS): Use WARN_CXXFLAGS_TEST instead of WARN_CXXFLAGS.
(cherry picked from commit a603c6e0bb8b9e79d4136ee0fd0d1bf6a7d010ef)

14 years ago* data/yacc.c: Reformat m4 a little.
Joel E. Denny [Wed, 16 Dec 2009 06:41:17 +0000 (01:41 -0500)]
* data/yacc.c: Reformat m4 a little.

(cherry picked from commit 19750d310c1f21b72fc26d0b8905fac08d175130)

14 years agoDocument gcc -Wundef fix.
Joel E. Denny [Wed, 16 Dec 2009 06:14:44 +0000 (01:14 -0500)]
Document gcc -Wundef fix.

* NEWS (2.4.2): Here.
* THANKS (Jonathan Nieder): Add.
(cherry picked from commit c938d650dbddd3d94b3543bab76e1afce99c409d)

14 years agoSimplify y.tab.c when location tracking is disabled.
Jonathan Nieder [Wed, 16 Dec 2009 04:07:46 +0000 (22:07 -0600)]
Simplify y.tab.c when location tracking is disabled.

* data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
tracking is not enabled.  Instead, unconditionally define
YY_LOCATION_PRINT as a no-op for backward compatibility.
(cherry picked from commit fcd32abd3a4b68ef525d7766dbed1c98465e23b9)

14 years agoAvoid warnings from gcc -Wundef y.tab.c.
Jonathan Nieder [Wed, 16 Dec 2009 04:03:18 +0000 (22:03 -0600)]
Avoid warnings from gcc -Wundef y.tab.c.

* data/glr.c: Check if YYENABLE_NLS and YYLTYPE_IS_TRIVIAL are
defined before using them.
* data/lalr1.cc: Likewise.
* data/yacc.c: Likewise.
(cherry picked from commit ae93128c9671b58bdc2b557c382ecd84e659ab52)

14 years agoautoconf: update to latest for fix of M4 detection.
Joel E. Denny [Tue, 15 Dec 2009 23:56:52 +0000 (18:56 -0500)]
autoconf: update to latest for fix of M4 detection.

Reported by Eric Blake.
* submodules/autoconf: Update.
(cherry picked from commit c843aaab352ab1f40c7d218fb5bb2c6fd6fd3a88)

14 years agoportability: use -DGNULIB_POSIXCHECK.
Joel E. Denny [Tue, 15 Dec 2009 05:15:41 +0000 (00:15 -0500)]
portability: use -DGNULIB_POSIXCHECK.

Reported by Eric Blake.  See discussions at
<http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00008.html>
and
<http://lists.gnu.org/archive/html/bug-gnulib/2009-10/msg00108.html>.
* HACKING (Release checks): Suggest -DGNULIB_POSIXCHECK.
* bootstrap.conf (gnulib_modules): Add all the printf modules
suggested by -DGNULIB_POSIXCHECK.  Add realloc-posix as
suggested by -DGNULIB_POSIXCHECK for gnulib's own vasnprintf.c.
(excluded_files): Remove m4/printf-posix.m4.
* tests/atlocal.in (LIBS): As for LDADD in src/Makefile.am, add
lib/libbison.a so gnulib libraries can be linked.
(cherry picked from commit 5c99151aeb4396bf35b482e27075948c33088afa)

Conflicts:

lib/.cvsignore
lib/.gitignore
m4/.cvsignore
m4/.gitignore

14 years agoEnable assertion output and --disable-assert for configure.
Joel E. Denny [Mon, 14 Dec 2009 23:04:57 +0000 (18:04 -0500)]
Enable assertion output and --disable-assert for configure.

* bootstrap.conf (gnulib_modules): Add assert module.
* src/system.h (aver): Define as assert, and summarize the
discussion on this issue.
(cherry picked from commit ca01f454f01645533622a59ef0df335ee07679e5)

14 years agoExpand GLR acronym in summary of Bison.
Joel E. Denny [Mon, 14 Dec 2009 21:04:00 +0000 (16:04 -0500)]
Expand GLR acronym in summary of Bison.

Based on discussion with Akim Demaille starting at
<http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00087.html>.
* doc/bison.texinfo (Introduction): Here.
* src/getargs.c (usage): Here.

14 years ago Document named references.
Alex Rozenman [Sat, 14 Nov 2009 20:06:26 +0000 (22:06 +0200)]
Document named references.

* doc/bison.texinfo (Actions): Add new example and xref to
Using Named References node.
(Using Named References): New node.

14 years agocleanup.
Joel E. Denny [Fri, 16 Oct 2009 23:27:12 +0000 (19:27 -0400)]
cleanup.

* src/Sbitset.c (Sbitset__new_on_obstack): Use Sbitset instead
of char*.
(Sbitset__isEmpty): Use Sbitset instead of char*.
* src/Sbitset.h (Sbitset): Make it a pointer to unsigned char
instead of char.  This helps to avoid casting errors.
(Sbitset__or): Use Sbitset instead of char*.
(cherry picked from commit 5297ebb3bcdf4f957bdab9c5535c2c9c47f7dc07)

14 years agoportability: don't assume 8-bit bytes.
Joel E. Denny [Fri, 16 Oct 2009 23:20:43 +0000 (19:20 -0400)]
portability: don't assume 8-bit bytes.

That is, use CHAR_BIT and UCHAR_MAX instead of 8 and 0xff.
* src/Sbitset.h (Sbitset__nbytes): Here.
(Sbitset__byteAddress): Here.
(Sbitset__bit_mask): Here.
(Sbitset__last_byte_mask): Here.
(Sbitset__ones): Here.
(SBITSET__FOR_EACH): Here.
(cherry picked from commit 175620d3c65209ce72e451bd75756f6bb67e33a1)

14 years agoportability: use va_start and va_end in the same function.
Joel E. Denny [Sun, 11 Oct 2009 20:15:39 +0000 (16:15 -0400)]
portability: use va_start and va_end in the same function.

* src/complain.c (error_message): Move va_end from here...
(ERROR_MESSAGE): ... to here.
(cherry picked from commit 786578e394700615f6a841614e1280bf6284ec8c)

14 years ago* data/bison.m4: Update comments for rename to muscle-tab.h.
Joel E. Denny [Thu, 8 Oct 2009 21:08:01 +0000 (17:08 -0400)]
* data/bison.m4: Update comments for rename to muscle-tab.h.

14 years agoRename muscle_tab.* to muscle-tab.* for consistency with master.
Joel E. Denny [Thu, 8 Oct 2009 20:58:22 +0000 (16:58 -0400)]
Rename muscle_tab.* to muscle-tab.* for consistency with 

* src/Makefile.am (bison_SOURCES): Update.
* src/getargs.c, src/ielr.c, src/lalr.c, src/main.c,
src/output.c, src/parse-gram.y, src/print.c, src/reader.c,
src/tables.c: Update include.
* src/muscle_tab.c, src/muscle_tab.h: Rename to...
* src/muscle-tab.c, src/muscle-tab.h: ... these and update
include.

14 years agoMinor code cleanup.
Joel E. Denny [Thu, 8 Oct 2009 03:09:43 +0000 (23:09 -0400)]
Minor code cleanup.

* src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
replace all uses with UNIQSTR_CONCAT.
* src/uniqstr.c (uniqstr_vsprintf): New function.
* src/uniqstr.h (uniqstr_vsprintf): Add prototype.
(UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
macros.
(cherry picked from commit 10659d0ec997368fe57712a7c564795c530ba0c2)

Conflicts:

src/muscle_tab.c

14 years agoMinor code cleanup.
Joel E. Denny [Mon, 5 Oct 2009 03:44:44 +0000 (23:44 -0400)]
Minor code cleanup.

* src/parse-gram.y: Clean up sorting of declarations.
Use types to simplify %printer declarations where possible.
Provide %printer for BRACKETED_ID and symbol.prec.
* src/symtab.c: Whitespace change.
(cherry picked from commit b143f4048fe39451ec739d956b4ca1f4fd8e694d)

Conflicts:

src/parse-gram.c
src/parse-gram.h
src/parse-gram.y

14 years agotests: skip tests of file names that platform does not support.
Joel E. Denny [Mon, 5 Oct 2009 02:59:18 +0000 (22:59 -0400)]
tests: skip tests of file names that platform does not support.

Reported by Michael Raskin at
<http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
* THANKS (Michael Raskin): Add.
* tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix.  Cygwin used
to fail at least for file names containing ":" or "\".
(cherry picked from commit 2ceb8c617cac934b45f101ab44508d72239c894b)

14 years agoyysyntax_error: avoid duplicate lookahead collection.
Joel E. Denny [Wed, 23 Sep 2009 21:54:04 +0000 (17:54 -0400)]
yysyntax_error: avoid duplicate lookahead collection.

Except when memory reallocation is required, this change
eliminates the need to invoke yysyntax_error twice and thus to
repeat the collection of lookaheads.  It also prepares for
future extensions that will make those repetitions more
expensive and that will require additional memory management in
yysyntax_error.  Finally, it fixes an obscure bug already
exercised in the test suite.
* data/yacc.c (yysyntax_error): Add arguments for message
buffer variables stored in the parser.  Instead of size, return
status similar to yyparse status but indicating success of
message creation.  Other than the actual reallocation of the
message buffer, import and clean up memory management code
from...
(yyparse, yypush_parse): ... here.
* tests/regression.at (%error-verbose overflow): No longer an
expected failure.
(cherry picked from commit 45319f1365eb8d125424f31401d9d33cc02ff4ad)

Conflicts:

src/parse-gram.c
src/parse-gram.h

14 years agoyysyntax_error: test memory management more.
Joel E. Denny [Wed, 23 Sep 2009 21:53:15 +0000 (17:53 -0400)]
yysyntax_error: test memory management more.

* tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro.
* tests/regression.at (%error-verbose and YYSTACK_USE_ALLOCA):
New test group.
(%error-verbose overflow): New test group that reveals an
obscure bug.  Expected fail for now.
(cherry picked from commit 52cea04ad36abf3ab684b88cba45d6c26dda80c9)

14 years agoPass the token type to yysyntax_error.
Akim Demaille [Wed, 10 Dec 2008 23:59:13 +0000 (00:59 +0100)]
Pass the token type to yysyntax_error.

* data/yacc.c (yysyntax_error): Take the transated token instead
of the raw number.
Adjust callers.
(cherry picked from commit 84eedf86fefd2496f288e72731bd0586e0b216f3)

Conflicts:

TODO

14 years agoSimplify the i18n of the error messages.
Akim Demaille [Wed, 10 Dec 2008 23:59:13 +0000 (00:59 +0100)]
Simplify the i18n of the error messages.

* data/yacc.c (yysyntax_error): Rewrite, using a switch instead
of building dynamically the format string.
(cherry picked from commit eeb29422377c730846f784716f22be1759491bcf)

Conflicts:

data/lalr1.cc

14 years agoRemove dead code.
Joel E. Denny [Sat, 3 Oct 2009 15:53:05 +0000 (11:53 -0400)]
Remove dead code.

* src/symtab.c (symbol_pack): Here because every symbol's number
is always defined by this time.
(cherry picked from commit f74d6d25914371ed894583a69f99d547f9f283bf)

14 years agoAdd additional space after periods in NEWS.
Alex Rozenman [Sat, 3 Oct 2009 16:29:14 +0000 (18:29 +0200)]
Add additional space after periods in NEWS.

* NEWS (2.5): here.

14 years agoUse the correct conversion specifier for size_t.
Joel E. Denny [Tue, 29 Sep 2009 10:54:38 +0000 (06:54 -0400)]
Use the correct conversion specifier for size_t.

Reported by Jim Meyering.
* src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu"
because Sbitset__Index is size_t.
* src/Sbitset.c (Sbitset__fprint): Use it instead of %d.
(cherry picked from commit 47eced3099712180364f4e01b839242027d9a9d8)

14 years agotests: don't abuse AT_BISON_CHECK.
Joel E. Denny [Sun, 27 Sep 2009 18:37:00 +0000 (14:37 -0400)]
tests: don't abuse AT_BISON_CHECK.

* tests/regression.at (parse-gram.y: LALR = IELR): Move
additional shell commands outside of AT_BISON_CHECK.
(cherry picked from commit d8f68fc29536fa1c1e7b1b200b1e8088762c3e93)

Conflicts:

tests/regression.at

14 years agotests: check that parse-gram.y's IELR and LALR are identical.
Joel E. Denny [Sat, 26 Sep 2009 18:49:20 +0000 (14:49 -0400)]
tests: check that parse-gram.y's IELR and LALR are identical.

* tests/atlocal.in (abs_top_srcdir): New shell variable.
* tests/regression.at (parse-gram.y: LALR = IELR): New test
group.
(cherry picked from commit 43aabb70a95ecbd20c76797c53554641c3576db4)

14 years agodoc: comment changes.
Akim Demaille [Wed, 16 Sep 2009 20:11:33 +0000 (22:11 +0200)]
doc: comment changes.

* doc/bison.texinfo: Comment changes.
(cherry picked from commit 6b5a0de9600b9112f58ddeb98aa0fe354077ffd4)

Conflicts:

doc/bison.texinfo

14 years agodoc: spell checking.
Akim Demaille [Wed, 16 Sep 2009 20:18:57 +0000 (22:18 +0200)]
doc: spell checking.

* doc/bison.texinfo: here.
(cherry picked from commit f50bfcd6a1750507926dd33bdd37baa8e0eda16d)

Conflicts:

doc/bison.texinfo

14 years agoKeep sub-messages aligned. Fix strings for translation.
Alex Rozenman [Sat, 19 Sep 2009 09:59:33 +0000 (12:59 +0300)]
Keep sub-messages aligned. Fix strings for translation.

* src/location.h: (location_print): Add return value.
* src/location.c: (location_print): Return number of printed
characters.
* src/complain.h: Two new functions (complain_at_indent,
warn_at_indent).
* src/complain.cpp: Implement the alignment mechanism. Add new
static variable (indent_ptr). Use and update it (error_message,
complain_at_indent, warn_at_indent).
* src/scan-code.l: Fix strings for translations. Use new *_indent
functions (parse_ref, show_sub_messages).
* tests/named-ref.at: Adjust testcases.
* NEWS (2.5): Add an announcement about named references.

15 years agotests: clean up push.at test group titles.
Joel E. Denny [Sun, 13 Sep 2009 17:45:05 +0000 (13:45 -0400)]
tests: clean up push.at test group titles.

* tests/push.at: Remove "Push Parsing: " from test group titles
because these are already under the banner "Push Parsing Tests".
(cherry picked from commit 00d80a9cedbffda49212c0cdb90e90c27a561bb2)

15 years agoProvide an additional sub-message for clarity.
Alex Rozenman [Sat, 12 Sep 2009 08:48:56 +0000 (11:48 +0300)]
Provide an additional sub-message for clarity.

Add "symbol not found in production" error message when
an "invalid reference" is detected in named references
resolution.

* src/scan-code.l: Update "invalid reference" case.
* tests/named-ref.at: Adjust test-cases.

15 years agoClean up yacc.c a little.
Joel E. Denny [Sun, 6 Sep 2009 20:59:04 +0000 (16:59 -0400)]
Clean up yacc.c a little.

* data/yacc.c: Clean up M4 for readability, and make output
whitespace more consistent.  For the main parse function
comment, instead of saying "yyparse or yypush_parse", say either
"yyparse" or "yypush_parse" depending on which it actually is.
(cherry picked from commit bb31eb56abd67c0ccf92244d160855ff06a336ac)

Conflicts:

src/parse-gram.c
src/parse-gram.h

15 years agoComplain about unused %define variables and %code qualifiers.
Joel E. Denny [Thu, 3 Sep 2009 20:04:10 +0000 (16:04 -0400)]
Complain about unused %define variables and %code qualifiers.

* NEWS (2.5): Document.
* data/bison.m4 (b4_check_user_names): Complain instead of warn.
* doc/bison.texinfo (Decl Summary): Document complaint, and
improve %define documentation a little otherwise.
* tests/input.at (Reject unused %code qualifiers): Update.
(%define errors): Update.
(%define, --define, --force-define): Update.
(%define backward compatibility): Update.
(Unused %define api.pure): Update.
* tests/push.at (Push Parsing: Unsupported Skeletons): Update.
(cherry picked from commit c6abeab182fed54a2068fd75978a97f9c09d9da7)

Conflicts:

ChangeLog

15 years agoUse aver not assert.
Joel E. Denny [Thu, 3 Sep 2009 17:59:07 +0000 (13:59 -0400)]
Use aver not assert.

* src/output.c: Don't include assert.h.
(output_skeleton): Use aver not assert.
* src/system.h (aver): In documentation of why, add links to
Paul Eggert's explanations in the mailing lists.
(cherry picked from commit 9789acf09124eb5ffbe5f0737261aec91b32ebd4)

15 years ago Use "Unresolved reference" error message when no symbols were found
Alex Rozenman [Sat, 5 Sep 2009 10:16:45 +0000 (13:16 +0300)]
Use "Unresolved reference" error message when no symbols were found
in a symbolic reference resolution. Remove .expr and -expr from
the shown reference when the reference is unresolved.

* src/scan-code.l: Change the error message, adjust location columns,
rename variable "exact_mode" to "explicit_bracketing".
* tests/named-ref.at: Adjust existing tests and add a new one.

15 years agoNEWS: Internationalization.
Akim Demaille [Thu, 3 Sep 2009 09:03:14 +0000 (11:03 +0200)]
NEWS: Internationalization.

* NEWS (2.4.2): Add "Internationalization" item.
(cherry picked from commit 2755de8fec58b581faed33f76a23eeb681e2edc5)

15 years agobootstrap: fix/improve find_tool.
Akim Demaille [Thu, 3 Sep 2009 08:50:32 +0000 (10:50 +0200)]
bootstrap: fix/improve find_tool.

* bootstrap (find_tool): Improve error messages.
Fix typo about find_tool_names.
(cherry-picked from 1deef26d0ca3df3d1c845a8cf41fc0cdef009d79).

15 years agoFix gcc 3.4.4 shadowing warning reported by Eric Blake.
Joel E. Denny [Sat, 29 Aug 2009 20:25:58 +0000 (16:25 -0400)]
Fix gcc 3.4.4 shadowing warning reported by Eric Blake.

See
<http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
* src/scan-code.h (code_props_rule_action_init): Rename
named_ref arg to name so it doesn't shadow named_ref type.  This
makes it consistent with the function definition in scan-code.l
anyway.
(cherry picked from commit 2646cd540bfdd35f457e0e0a1bcc5f9b26a96849)

15 years agoChangeLog: Fix typo for commit f3749, but it's too late for git log.
Joel E. Denny [Fri, 28 Aug 2009 18:31:10 +0000 (14:31 -0400)]
ChangeLog: Fix typo for commit f3749, but it's too late for git log.

15 years ago%define: accept unquoted values.
Joel E. Denny [Fri, 28 Aug 2009 07:46:37 +0000 (03:46 -0400)]
%define: accept unquoted values.

* NEWS (2.5): Group all %define changes together, and document
this one.  Remove quotes in IELR and canonical LR entry.
* doc/bison.texinfo: Remove quotes in most examples throughout.
(Decl Summary): Update %define documentation.
(Table of Symbols): Likewise.
* src/ielr.c (LrType): Update documentation.
* src/parse-gram.y (content.opt): Add production for ID.
* tests/calc.at: Likewise.
* tests/existing.at: Likewise.
* tests/input.at: Likewise.
* tests/local.at: Likewise.
* tests/push.at: Likewise.
* tests/reduce.at: Likewise.
* tests/torture.at: Likewise.
(cherry picked from commit cf499cff31eabd04e37107484647bdd453137d1d)

Conflicts:

doc/bison.texinfo
src/parse-gram.c
src/parse-gram.h
tests/actions.at
tests/calc.at

15 years ago%define lr.type: make values lowercase IDs.
Joel E. Denny [Fri, 28 Aug 2009 04:57:06 +0000 (00:57 -0400)]
%define lr.type: make values lowercase IDs.

That is, "LALR" => "lalr", "IELR" => "ielr", and
"canonical LR" => "canonical-lr".
* NEWS (2.5): Update documentation.
* doc/bison.texinfo (Decl Summary): Likewise.
* src/ielr.c (ielr): Use new values.
* src/ielr.h (ielr): Update documentation.
* src/reader.c (prepare_percent_define_front_end_variables): Use
and validate new values.
* tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
grammars.
* tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
(cherry picked from commit 6ba9640406758718fdcfb7a1154e58ce4d9b196c)

15 years agoscan-gram: avoid portability trap with ctype usage.
Eric Blake [Thu, 27 Aug 2009 16:56:53 +0000 (10:56 -0600)]
scan-gram: avoid portability trap with ctype usage.

* src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
Avoid compiler warning.

Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit bbbbe221d7c2ff2fff88f7a0c8dbfee73f2e8a58)

15 years agotests: use perl for printing special sequences to files.
Joel E. Denny [Thu, 27 Aug 2009 07:52:53 +0000 (03:52 -0400)]
tests: use perl for printing special sequences to files.

And skip tests if perl is not available.  This is better than
playing tricks with shell portability.  Suggested by Akim
Demaille.
* tests/input.at (Bad character literals): Use it here for
omitting final newlines.
(Bad escapes in literals): Use it here for special characters.
(cherry picked from commit b70c7fb4e1db54e78d4f3d4a0f110a81118ffc60)

15 years agotests: show a use of %define lr.default-reductions "consistent"
Joel E. Denny [Wed, 26 Aug 2009 18:15:53 +0000 (14:15 -0400)]
tests: show a use of %define lr.default-reductions "consistent"

* tests/conflicts.at (%nonassoc and eof): Extend to test that it
prevents the omission of expected tokens for %error-verbose.
(cherry picked from commit d1cc31c5f04b81a3620fa291020ce23490f3f9e7)

15 years agotests: portability fix.
Akim Demaille [Wed, 26 Aug 2009 09:53:18 +0000 (11:53 +0200)]
tests: portability fix.

* tests/input.at (Bad escapes in literals): Don't expect "echo
'\0'" to output \ then 0.
(cherry picked from commit 3bed3a757fef03bb063e210ed74918bb875fe2e1)

15 years agoActually handle the yytable zero value correctly this time.
Joel E. Denny [Wed, 26 Aug 2009 06:40:38 +0000 (02:40 -0400)]
Actually handle the yytable zero value correctly this time.

* data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Don't
mention zero values in the YYTABLE comments.
* data/glr.c (yytable_value_is_error): Don't check for zero
value.
* data/lalr1.cc (yy_table_value_is_error_): Likewise.
* data/yacc.c (yytable_value_is_error): Likewise.
* data/lalr1.java (yy_table_value_is_error_): Likewise.
(yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
* src/tables.h: In header comments, explain why it's useless to
check for a zero value in yytable.
(cherry picked from commit aa0cb40d61cda5bfa9d325a45735439cbbd06327)

Conflicts:

data/bison.m4
data/lalr1.java

15 years agoMore fixes related to last two patches.
Joel E. Denny [Tue, 25 Aug 2009 23:41:49 +0000 (19:41 -0400)]
More fixes related to last two patches.

* data/c.m4 (b4_table_value_equals): Comment that YYID must be
defined.
* data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Fix
yytable comments: zero indicates syntax error not default
action.
* data/glr.c (yyis_pact_ninf): Rename to...
(yypact_value_is_default): ... this.
(yyisDefaultedState): Update for rename.
(yyis_table_ninf): Rename to...
(yytable_value_is_error): ... this, and check for value zero
besides just YYTABLE_NINF.
(yygetLRActions): Check for default value from yypact.  It
appears that this check is always performed before this function
is invoked, and so adding the check here is probably redundant.
However, the code may evolve after this subtlety is forgotten.
Also, update for rename to yytable_value_is_error.  Because that
macro now checks for zero, a different but equivalent branch of
the if-then-else here is evaluated.
(yyreportSyntaxError): Update for rename to
yytable_value_is_error.  The zero condition was mishandled
before.
(yyrecoverSyntaxError): Update for renames.  No behavioral
changes.
* data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
New function.
(yy_table_value_is_error_): New function.
(parse): Use new functions where possible.  No behavioral
changes.
(yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
The zero condition was mishandled before.
* data/yacc.c (yyis_pact_ninf): Rename to...
(yypact_value_is_default): ... this.
(yyis_table_ninf): Rename to...
(yytable_value_is_error): ... this, and check for value zero
besides just YYTABLE_NINF.
(yysyntax_error): Update for rename to yytable_value_is_error.
The zero condition was mishandled before.
(yyparse): Update for renames.  No behavioral changes.
* src/tables.h: Improve comments about yypact, yytable, etc.
more.  Most importantly, say yytable value of zero means syntax
error not default action.
(cherry picked from commit f2b30bdf3713e6fa9fafd0fc6caed68e38248ebc)

Conflicts:

data/bison.m4
data/lalr1.cc
data/lalr1.java
data/yacc.c
src/parse-gram.c
src/parse-gram.h

15 years agoFix %error-verbose for conflicts resolved by %nonassoc.
Joel E. Denny [Tue, 25 Aug 2009 05:13:02 +0000 (01:13 -0400)]
Fix %error-verbose for conflicts resolved by %nonassoc.

* NEWS (2.5): Document.
* data/glr.c (yyreportSyntaxError): Fix this by checking
yyis_table_ninf.
* data/yacc.c (yysyntax_error): Likewise.
* data/lalr1.cc (yysyntax_error_): Fix this by checking
yytable_ninf_.
* data/lalr1.java (yysyntax_error): Likewise.
* tests/conflicts.at (%nonassoc and eof): Update expected output
and remove FIXME.
(cherry picked from commit 53f036ce027289d3f5e70c88735b88aa6725381d)

Conflicts:

data/lalr1.cc
data/lalr1.java
src/parse-gram.c
src/parse-gram.h

15 years agoSome code and documentation improvements.
Joel E. Denny [Tue, 25 Aug 2009 05:12:37 +0000 (01:12 -0400)]
Some code and documentation improvements.

* data/c.m4 (b4_table_value_equals): New macro to capture
some repeated code.
* data/glr.c (yyis_pact_ninf): Use it here.
(yyis_table_ninf): Likewise.
(yyreportSyntaxError): Improve internal comments.
* data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
Use it everywhere possible.
(yyis_table_ninf): Likewise.
(yysyntax_error): Improve internal comments.
* data/lalr1.cc (yysyntax_error_): Likewise.
* data/lalr1.java (yysyntax_error): Likewise.
* src/tables.h: Improve comments about yypact, yytable, etc.
(cherry picked from commit 87412882128fc3ae807f47db23884552f5841e74)

Conflicts:

data/lalr1.java
data/yacc.c

15 years agoUse locale when quoting.
Joel E. Denny [Sat, 22 Aug 2009 00:09:54 +0000 (20:09 -0400)]
Use locale when quoting.

* src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
quote rather than implementing quoting here.
(cherry picked from commit e6c849d82a95be8a595c254cc3046cfae725f064)

15 years agoMake previous patch more robust.
Eric Blake [Thu, 20 Aug 2009 22:52:19 +0000 (16:52 -0600)]
Make previous patch more robust.

* src/output.c (ARRAY_CARDINALITY): New macro, copied from
argmatch.h.
(output_skeleton): Use it.
Suggested by Akim Demaille.

Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 1266b636740f0c6719d8cc11a5d569084fa37009)

15 years agoImport latest m4/m4.m4.
Eric Blake [Thu, 20 Aug 2009 15:48:49 +0000 (09:48 -0600)]
Import latest m4/m4.m4.

* submodules/autoconf: Update to autoconf 2.64.
* configure.ac (M4_GNU_OPTION): New define.
* src/output.c (output_skeleton): Use it to resolve FIXME.
* NEWS: Mention this.

Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit b9ad39c1fb2482e1513cdf9800b31e71b7986b39)

15 years agoFix complaints about escape sequences.
Joel E. Denny [Thu, 20 Aug 2009 00:37:28 +0000 (20:37 -0400)]
Fix complaints about escape sequences.

Discussed starting at
<http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
* src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
For a \0 and similar escape sequences meaning the null
character, report an invalid escape sequence instead of an
invalid null character because the latter does not actually
appear in the user's input.
In all escape sequence complaints, don't escape the initial
backslash, and don't quote when the sequence appears at the end
of the complaint line unless there's whitespace that quotearg
won't escape.
Consistently say "invalid" not "unrecognized".
Consistently prefer "empty character literal" over "extra
characters in character literal" warning for invalid escape
sequences; that is, consistently discard those sequences.
* tests/input.at (Bad escapes in literals): New.
(cherry picked from commit c2724603c9d87e816dbdf1a9bfd7d70ffc1bd137)

15 years agodoc: fixes.
Akim Demaille [Wed, 19 Aug 2009 12:51:50 +0000 (14:51 +0200)]
doc: fixes.

* doc/bison.texinfo: Fix minor Texinfo errors.
(cherry picked from commit 17aed602c6780058fe591e871c97f19d6a14d57a)

15 years agodoc: %initial-action to initialize yylloc.
Akim Demaille [Wed, 19 Aug 2009 11:34:48 +0000 (13:34 +0200)]
doc: %initial-action to initialize yylloc.

Reported by Bill Allombert.
* doc/bison.texinfo: Set fill-column to 76.
(Location Type): Document the use of %initial-action to initialize
yylloc.

(cherry picked from commit d59e456dbf5d9747e2fe0c0539f2ec670ce6f9c4)

15 years agomaint: update for gnulib's recent update-copyright changes
Joel E. Denny [Tue, 18 Aug 2009 22:29:54 +0000 (18:29 -0400)]
maint: update for gnulib's recent update-copyright changes

* gnulib: Update.
* .x-update-copyright (COPYING): Add as it's no longer implied
when .x-update-copyright is present.
* cfg.mk (update-copyright-local): Remove, now ignored.
(update-copyright): Declare update-b4-copyright as a dependency.
(cherry picked from commit c67e466f9d4f63d360d82dc23b9bfffb4d846209)

15 years agobuild: require gettext 0.17.
Akim Demaille [Mon, 17 Aug 2009 08:51:08 +0000 (10:51 +0200)]
build: require gettext 0.17.

Suggested by Bruno Haible.
http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html

* configure.ac: require gettext 0.17 to ensure compatibility with
gnulib.
(cherry picked from commit af6d23584362436f19baadc311987b65849ce024)

15 years agobuild: lower gettext requirements.
Akim Demaille [Mon, 17 Aug 2009 07:22:41 +0000 (09:22 +0200)]
build: lower gettext requirements.

Bison was uselessly requiring the formatstring macros from
gettext, which resulted in mo files not being installed on systems
that perfectly supported Bison mo files.  Lower the requirement.
http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html

* configure.ac: Require need-ngettext instead of
need-formatstring-macros.
Reported by Martin Jabocs.
Suggested by Bruno Haible.
* INSTALL: Restructure.
(Internationalization): New.
(cherry picked from commit b9e42bb439643b6b193ba44696c370bbb35d2ec0)

15 years agomaint: fix use of copyright year intervals.
Joel E. Denny [Fri, 14 Aug 2009 21:05:06 +0000 (17:05 -0400)]
maint: fix use of copyright year intervals.

* gnulib: Update.
* bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
as now recommended in gnulib/NEWS.
* build-aux/update-b4-copyright: Fix.
* cfg.mk (update-copyright-env): Configure update-copyright.
(cherry picked from commit 75ac158b82be1fab5157b140287368165a50ec82)

15 years agoMake it easier to write deterministic tests.
Joel E. Denny [Sun, 9 Aug 2009 00:19:01 +0000 (20:19 -0400)]
Make it easier to write deterministic tests.

Continues Akim's work from his 2009-06-10 commits.
* src/reader.c (check_and_convert_grammar): Don't add any
symbols after the first symbols_do invocation.
* src/symtab.c (symbols_sorted): New static global.
(user_token_number_redeclaration): Update comments.
(symbol_from_uniqstr): If a new symbol is being created, assert
that symbols_sorted hasn't been allocated yet.
(symbols_free): Free symbols_sorted.
(symbols_cmp, symbols_cmp_qsort): New functions.
(symbols_do): Sort symbol_table into symbols_sorted on first
invocation.
* tests/input.at (Numbered tokens): Recombine tests now that the
output should be deterministic across multiple numbers.
(cherry picked from commit 83b60c97ee1f98bb1f15ffa38acdc4cc765515f5)

15 years agodistcheck: fix.
Akim Demaille [Wed, 1 Jul 2009 10:19:18 +0000 (12:19 +0200)]
distcheck: fix.

* examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
(cherry picked from commit 67af719840616ed07ca120b8255a998f4533ce17)

15 years ago* tests/Makefile.am (TESTSUITE_AT): Add named-refs.at.
Joel E. Denny [Tue, 11 Aug 2009 03:39:43 +0000 (23:39 -0400)]
* tests/Makefile.am (TESTSUITE_AT): Add named-refs.at.

15 years agoMiscellaneous code readability improvements.
Joel E. Denny [Tue, 11 Aug 2009 01:43:07 +0000 (21:43 -0400)]
Miscellaneous code readability improvements.

* src/reader.c (reader): Move %define front-end variable
defaults and checking into...
(prepare_percent_define_front_end_variables): ... this new
function.

* src/scan-gram.l (INITIAL): For consistency with string
literals, don't store open quote on character literal.  It's
discarded before returning anyway.
(SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
Make length test more readable, and make the character stored
for an empty literal more obvious while consistent with the
previous behavior.

* src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
USER_NUMBER_HAS_STRING_ALIAS throughout.
* src/symtab.c (symbol_make_alias): Remove comment from symtab.c
that is repeated in symtab.h.  Improve argument names to make it
clear which side of the symbol-string alias pair is which.
(symbol_check_alias_consistency): Improve local variable names
for the same purpose.
* src/symtab.h (struct symbol): Make comments about aliases
clearer.
(symbol_make_alias): Improve comments and argument name.
* src/output.c (token_definitions_output): Update for rename to
USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
(cherry picked from commit dfaa48602d4e6d329e3ae9063f44929490928b3d)

Conflicts:

src/symtab.c
src/symtab.h

15 years ago Convert "misleading reference" messages to warnings.
Alex Rozenman [Sat, 8 Aug 2009 15:10:23 +0000 (18:10 +0300)]
Convert "misleading reference" messages to warnings.

* src/scan-code.l: New function 'show_sub_messages', more
factoring.
* tests/named-ref.at: Adjust tests.

15 years agomaint: run "make update-copyright"
Joel E. Denny [Thu, 6 Aug 2009 23:15:28 +0000 (19:15 -0400)]
maint: run "make update-copyright"

15 years agomaint: make update-b4-copyright easier to use
Joel E. Denny [Thu, 6 Aug 2009 15:34:09 +0000 (11:34 -0400)]
maint: make update-b4-copyright easier to use

* build-aux/update-b4-copyright: In warnings, report line
numbers rather than character positions.
* cfg.mk (update-copyright-local): Set to update-b4-copyright so
that update-copyright runs it.
* gnulib: Update.
(cherry picked from commit a1a9422d4a2f70ff89e06318ba154851c3700f60)

15 years agomaint: clean up update-b4-copyright code
Joel E. Denny [Wed, 5 Aug 2009 23:52:41 +0000 (19:52 -0400)]
maint: clean up update-b4-copyright code

* build-aux/update-b4-copyright: Do not accept 2-digit
UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
Don't accept a `[' in a b4_copyright argument.
Format code more consistently.
Don't assume b4*copyright never occurs.
(cherry picked from commit 0b61a8ec1842bfbd6130714d06b758165b32ead4)

15 years agomaint: automate b4_copyright updates.
Joel E. Denny [Tue, 4 Aug 2009 22:06:20 +0000 (18:06 -0400)]
maint: automate b4_copyright updates.

* Makefile.am (update-b4-copyright): New target rule.
* build-aux/Makefile.am (EXTRA_DIST): Add update-b4-copyright.
* build-aux/update-b4-copyright: New.
* data/yacc.c: Remove stray characters around b4_copyright
invocations.
(cherry picked from commit 269e222e24b03ccc4ab7881d960750ddeb131b05)

Conflicts:

build-aux/local.mk
data/yacc.c

15 years agomaint: automate annual package-wide copyright-year update.
Joel E. Denny [Thu, 30 Jul 2009 21:12:10 +0000 (17:12 -0400)]
maint: automate annual package-wide copyright-year update.

* .x-update-copyright: New.
* Makefile.am (EXTRA_DIST): Remove maint.mk.
* bootstrap.conf (gnulib_modules): Add maintainer-makefile and
update-copyright.  Remove gnumakefile, which is implied by
maintainer-makefile.
* cfg.mk (bootstrap-tools): Copy from old maint.mk.
* gnulib: Update.
* maint.mk: Remove, now copied from gnulib.
* examples/extexi: Add missing "(C)" in copyright statement so
update-copyright can recognize it.
* src/LR0.h: Likewise.
* src/print.h: Likewise.
* src/print_graph.h: Likewise.
* src/named-ref.c: Likewise.
* src/named-ref.h: Likewise.
* src/gram.c: Add missing comma in copyright statement.
* src/gram.h: Likewise.
(cherry picked from commit 50bcb22c4cda30353f44930b0a29519609527408)

Conflicts:

gnulib
src/gram.c

15 years agoFix "make distcheck".
Joel E. Denny [Tue, 4 Aug 2009 18:48:48 +0000 (14:48 -0400)]
Fix "make distcheck".

* examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
of just calc.stamp.
(cherry picked from commit cfc9e431c31f7f7291dd16a4a505d6a41e662d0c)

15 years agoPacify "gcc -Wunused" for the input function from Flex.
Joel E. Denny [Sat, 1 Aug 2009 21:51:34 +0000 (17:51 -0400)]
Pacify "gcc -Wunused" for the input function from Flex.

Reported by Alex Rozenman.  This warning shows up with gcc-4.3.0
and later.
* src/scan-code.l: Add "%option noinput", which I cannot find in
the Flex manual, but which Flex has supported since at least as
far back as 2.5.4.  However, if any of our developers still use
Flex 2.5.4, they'll need to stop configuring with
--enable-gcc-warnings because "%option noinput" didn't work
correctly until Flex 2.5.6.
* src/scan-gram.l: Likewise.
* src/scan-skel.l: Likewise.
(cherry picked from commit 42f8609bbd033edf6cca102ca080eade94ed08ef)

15 years agoFix mail address in ChangeLog.
Alex Rozenman [Fri, 31 Jul 2009 19:36:18 +0000 (22:36 +0300)]
Fix mail address in ChangeLog.

15 years ago Fix --enable-gcc-warnings problems.
Alex Rozenman [Fri, 31 Jul 2009 19:23:23 +0000 (22:23 +0300)]
Fix --enable-gcc-warnings problems.

* src/reader.c: Adjust variable names.
* src/scan-code.l: Fix prototypes and adjust names.
* src/named-ref.c: Remove redundant "if".

15 years agoFix a --enable-gcc-warnings problem.
Joel E. Denny [Wed, 29 Jul 2009 17:47:02 +0000 (13:47 -0400)]
Fix a --enable-gcc-warnings problem.

* src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
variable.

15 years ago Fix some memory leaks.
Alex Rozenman [Fri, 24 Jul 2009 18:04:16 +0000 (21:04 +0300)]
Fix some memory leaks.
* src/named-ref.c: Add a pointer check (named_ref_free).
* src/scan-code.l: New function (variant_table_free). Called in
code_scanner_free.
* src/symlist.c: Call to named_ref_free (symbol_list_free).

15 years agoWarn about character literals not of length one.
Joel E. Denny [Fri, 24 Jul 2009 14:29:07 +0000 (10:29 -0400)]
Warn about character literals not of length one.

* NEWS (2.5): Document.
* src/scan-gram.l (INITIAL): Remove comment that we don't check
the length.
(SC_ESCAPED_CHARACTER): Warn if length is wrong.
* tests/input.at (Bad character literals): New test group.

15 years ago* src/lalr.c (state_lookahead_tokens_count): Correct comment.
Joel E. Denny [Fri, 24 Jul 2009 13:59:42 +0000 (09:59 -0400)]
* src/lalr.c (state_lookahead_tokens_count): Correct comment.

15 years agoSome M4 cleanup in the testsuite.
Joel E. Denny [Wed, 22 Jul 2009 19:06:49 +0000 (15:06 -0400)]
Some M4 cleanup in the testsuite.

Suggested by Eric Blake at
<http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
* tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
complicate the code by distinguishing between a missing value
and an empty string value for an optional argument.  This fix is
allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
* tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
(AT_TEST_TABLES_AND_PARSE): ... this now that the special
arguments are not needed because of the following changes.
Fix stale comments.
Bison developers should use GNU M4 and should not use
POSIXLY_CORRECT when building the test suite, so do not
complicate the code by avoiding $10 and above.
Do not quote an empty string value for an optional argument, and
do not distinguish between a missing value and an empty string
value.

15 years ago* m4/m4.m4: Make it a sym link to submodules/autoconf/m4/m4.m4.
Joel E. Denny [Tue, 21 Jul 2009 18:10:54 +0000 (14:10 -0400)]
* m4/m4.m4: Make it a sym link to submodules/autoconf/m4/m4.m4.

15 years agoRevert unnecessary column realignment in --help output.
Joel E. Denny [Wed, 15 Jul 2009 08:21:00 +0000 (04:21 -0400)]
Revert unnecessary column realignment in --help output.

Reported by Akim Demaille at
<http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
* src/getargs.c (usage): Here.

15 years ago Alphabetical order in src/Makefile.am.
Alex Rozenman [Sat, 4 Jul 2009 19:59:29 +0000 (22:59 +0300)]
Alphabetical order in src/Makefile.am.
* src/Makefile.am: Adjust.

15 years agoRegen.
Alex Rozenman [Sat, 4 Jul 2009 19:17:09 +0000 (22:17 +0300)]
Regen.

15 years ago Style changes and factoring.
Alex Rozenman [Sat, 4 Jul 2009 19:16:17 +0000 (22:16 +0300)]
Style changes and factoring.
* src/named-ref.h: Add comments.
* src/parse-gram.y: Readability and style changes.
* src/reader.c: Factoring: assign_named_ref function.
* src/scan-code.l: Factoring and style changes. Rename
parse_named_ref to parse_ref. Use "c-ctype.h" from gnulib.
Use "unsigned" type for variant index. Improve readablity.
* src/scan-gram.l: Change error messages and add comments.
* src/symlist.h: symbol_list_null: New function decl.
* src/symlist.c: symbol_list_null: Implement here.
* tests/named-refs.at: Adjust for new error messages.

15 years agoscan-code: avoid compiler warnings
Eric Blake [Mon, 29 Jun 2009 14:34:21 +0000 (08:34 -0600)]
scan-code: avoid compiler warnings

* src/scan-code.l (parse_named_ref): Use correct specifiers.

Signed-off-by: Eric Blake <ebb9@byu.net>
15 years agobuild: avoid concurrent extraction of calc++.
Akim Demaille [Mon, 29 Jun 2009 13:02:48 +0000 (15:02 +0200)]
build: avoid concurrent extraction of calc++.

* examples/calc++/Makefile.am (calc.stamp): New.
Depend on it to create the sources of calc++ so that concurrent
builds don't launch several "extexi" in parallel.
Not only this is inefficient, this also builds incorrect sources
with several extractions mixed together.

Cherry-picked from 5ece73eaa19c79d5dd40b36a2a7d38cb397c2fcd.

15 years agoRegen.
Alex Rozenman [Sat, 27 Jun 2009 20:45:54 +0000 (23:45 +0300)]
Regen.

15 years agoNamed symbol references.
Alex Rozenman [Sat, 23 May 2009 15:48:03 +0000 (18:48 +0300)]
Named symbol references.

Discussed in:
http://lists.gnu.org/archive/html/bison-patches/2009-01/msg00000.html
http://lists.gnu.org/archive/html/bison-patches/2009-02/msg00002.html
http://lists.gnu.org/archive/html/bison-patches/2009-03/msg00009.html

* src/parse-gram.y: Add new syntax (named_ref.opt).
* src/reader.c: Store named refs in symbol lists.
* src/reader.h: New argument for symbol_append and
action_append functions.
* src/scan-code.h: Add new field (named_ref) into
code_props data structure. Keeps named ref of midrule
actions.
* src/scan-code.l: Support for named refs in semantic
action code. New function 'parse_named_ref'.
* src/scan-gram.l: Support bracketed id.
* src/symlist.c: Store named refs in symbol lists.
* src/symlist.h: New field in symbol list: named_ref.
* src/named-ref.h: New file, a struct for named_ref.
* src/named-ref.c: New file, named_ref_new function.
* src/Makefile.am: Add two new files.
* tests/testsuite.at: Include new test group:
* tests/named-refs.at: this new file.

15 years agohash: check insertion for memory exhaustion.
Akim Demaille [Thu, 25 Jun 2009 04:03:18 +0000 (06:03 +0200)]
hash: check insertion for memory exhaustion.

* src/uniqstr.c (uniqstr_new): New.

15 years agostyle changes.
Akim Demaille [Thu, 11 Jun 2009 12:50:25 +0000 (14:50 +0200)]
style changes.

* data/xslt/xml2dot.xsl, data/xslt/xml2xhtml.xsl: Space changes.
* src/print-xml.c: Style changes.
* tests/conflicts.at: Comment changes.

15 years agoxml: beware of user strings used to give a %prec to rules.
Akim Demaille [Thu, 11 Jun 2009 12:45:10 +0000 (14:45 +0200)]
xml: beware of user strings used to give a %prec to rules.

* tests/conflicts.at (%prec with user strings): New.
* src/gram.c (grammar_rules_print_xml): Escape the precedence for
XML output.

15 years agohash: check insertion for memory exhaustion.
Akim Demaille [Thu, 11 Jun 2009 12:42:12 +0000 (14:42 +0200)]
hash: check insertion for memory exhaustion.

* src/muscle-tab.c (muscle_insert, muscle_grow)
* src/state.c (state_hash_insert): Check the return value of
hash_insert.

15 years agognulib: update.
Akim Demaille [Thu, 11 Jun 2009 13:24:13 +0000 (15:24 +0200)]
gnulib: update.

15 years agodeterministic test suite.
Akim Demaille [Wed, 10 Jun 2009 18:14:52 +0000 (20:14 +0200)]
deterministic test suite.

Some consistency checks on symbols are performed after all the
symbols were read, by an iteration over the symbol table.  This
traversal is nondeterministic, which can be a problem for test
cases.

Avoid this.

Addresses another form of nondeterminism reported by Joel E. Denny.
http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html

* tests/input.at (Numbered tokens): Split the hexadecimal/decimal
test in two.
Use different file names for the three tests to make the
maintenance easier.

15 years agodeterministic user-token-number redeclaration errors.
Akim Demaille [Wed, 3 Jun 2009 21:15:38 +0000 (23:15 +0200)]
deterministic user-token-number redeclaration errors.

Address nondeterminism reported by Joel E. Denny.
http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html

* src/uniqstr.h: Comment changes.
* src/location.h (boundary_cmp, location_cmp): New.
* src/symtab.c (user_token_number_redeclaration): New.
(symbol_translation): Use it.
* tests/input.at (Numbered tokens): Adjust the expected output.

15 years agognulib: update.
Akim Demaille [Wed, 10 Jun 2009 08:40:55 +0000 (10:40 +0200)]
gnulib: update.

* gnulib: Update to latest.
* lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
* m4/.gitignore: Regen.
* src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
Call xalloc_die on hash_insert failures.
Requested by the new __warn_unused_result__ attribute of
hash_insert.

15 years agoConvert multiple variable definition warnings to complaints.
Joel E. Denny [Sat, 23 May 2009 06:25:28 +0000 (02:25 -0400)]
Convert multiple variable definition warnings to complaints.

* NEWS (2.5): Add a new entry for that change.
* doc/bison.texinfo (Decl Summary): Update %define entry.
(Bison Options): Update -D/--define/-F/--force-define entry.
* src/muscle_tab.c (muscle_percent_define_insert): Implement.
* src/muscle_tab.h (muscle_percent_define_insert): Update
comments.
* tests/input.at (`%define errors'): Update.
(`%define, --define, --force-define'): Update.

15 years ago-F/--force-define and relative %define/-D/--define priorities.
Joel E. Denny [Fri, 22 May 2009 21:14:08 +0000 (17:14 -0400)]
-F/--force-define and relative %define/-D/--define priorities.

* NEWS (2.5): Add documentation to -D/--define entry.
* build-aux/cross-options.pl: Hard-code association of
--force-define with %define.
* doc/bison.texinfo (Decl Summary): In %define entry,
cross-reference command-line options.
(Bison Options): Add documentation to -D/--define entry.
(Option Cross Key): Widen column for --force-define row.
* src/getargs.c (usage): Document -F/--force-define.  Realign
options in output.
(short_options, long_options, getargs): Parse -F/--force-define,
and update muscle_percent_define_insert invocation.
* src/muscle_tab.h (muscle_percent_define_how): New enum type.
(muscle_percent_define_insert): Add argument with that type.
* src/muscle_tab.c (muscle_percent_define_insert): Implement
-F/--force-define behavior and priorities.
* src/parse-gram.y (prologue_declaration): Update
muscle_percent_define_insert invocations.
* tests/input.at (`%define, --define'): Rename to...
(`%define, --define, --force-define'): ... this and extend.

15 years agoUpdate some comments to make sense for -D.
Joel E. Denny [Fri, 22 May 2009 05:39:07 +0000 (01:39 -0400)]
Update some comments to make sense for -D.

* data/bison.m4 (b4_check_user_names): In header comments, say
"user occurrence" instead of "grammar occurrence".
* src/muscle_tab.h (muscle_percent_define_insert): Likewise.
(muscle_percent_code_grow): Likewise just for consistency.