platform/upstream/bison.git
11 years agoMerge branch '2.6.3' into maint
Akim Demaille [Mon, 22 Oct 2012 14:04:12 +0000 (16:04 +0200)]
Merge branch '2.6.3' into maint

* 2.6.3: (22 commits)
  maint: post-release administrivia
  version 2.6.3
  gnulib: update
  tests: check %no-lines
  NEWS: warnings with clang
  warnings: avoid warnings from clang
  tests: no longer disable -O compiler options
  yacc.c: initialize yylval in pure-parser mode
  skeletons: style changes
  tests: minor improvements
  tests: use $PERL instead of perl
  build: look for Perl in configure.
  tests: fix sed portability issues
  tests: diff -u is not portable
  maint: word changes
  lalr1.cc: fix test suite portability
  maint: fix an erroneous include
  tests: check that headers are self contained
  doc: add missing documentation for --report
  headers: move CPP guards into YY_*_INCLUDED to avoid collisions
  ...

Conflicts:
NEWS
doc/bison.texi
tests/headers.at

11 years agomaint: post-release administrivia
Akim Demaille [Mon, 22 Oct 2012 13:28:10 +0000 (15:28 +0200)]
maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.

11 years agoversion 2.6.3 v2.6.3
Akim Demaille [Mon, 22 Oct 2012 13:16:12 +0000 (15:16 +0200)]
version 2.6.3

* NEWS: Record release date.

11 years agognulib: update
Akim Demaille [Fri, 19 Oct 2012 09:36:18 +0000 (11:36 +0200)]
gnulib: update

11 years agotests: check %no-lines
Akim Demaille [Fri, 12 Oct 2012 08:10:18 +0000 (10:10 +0200)]
tests: check %no-lines

* tests/synclines.at: here.

11 years agoNEWS: warnings with clang
Akim Demaille [Mon, 8 Oct 2012 11:46:50 +0000 (13:46 +0200)]
NEWS: warnings with clang

* NEWS: here.

11 years agowarnings: avoid warnings from clang
Akim Demaille [Mon, 8 Oct 2012 07:17:20 +0000 (09:17 +0200)]
warnings: avoid warnings from clang

Fix the following warning

  parse-gram.c:2078:14: error: equality comparison with extraneous parentheses
                        [-Werror,-Wparentheses-equality]
    if (((yyn) == (-91)))
         ~~~~~~^~~~~~~~
  parse-gram.c:2078:14: note: remove extraneous parentheses around the
                        comparison to silence this warning
    if (((yyn) == (-91)))
        ~      ^       ~
  parse-gram.c:2078:14: note: use '=' to turn this equality comparison into
                        an assignment
    if (((yyn) == (-91)))
               ^~
               =
  1 error generated.

and the following one:

  input.cc:740:1: error: function declared 'noreturn' should not return
                         [-Werror,-Winvalid-noreturn]
  static void yyMemoryExhausted (yyGLRStack* yystackp)
    __attribute__ ((__noreturn__));
  static void
  yyMemoryExhausted (yyGLRStack* yystackp)
  {
    YYLONGJMP (yystackp->yyexception_buffer, 2);
  }
  ^
  1 warning and 1 error generated.

This is Apple clang version 3.1 (tags/Apple/clang-318.0.61).

* data/c.m4 (b4_table_value_equals): Use (!!(A == B)) instead of (A == B)
to avoid this warning.
Any reasonable compiler should generate the same code.
* src/uniqstr.h (UNIQSTR_EQ): Likewise.
* data/glr.c (LONGJMP): abort after longjmp to pacify clang.

11 years agotests: no longer disable -O compiler options
Akim Demaille [Mon, 8 Oct 2012 07:02:09 +0000 (09:02 +0200)]
tests: no longer disable -O compiler options

Tests are running without -O since
f377f69fec28013c79db4efe12bbb9d48987fb2c because some warnings (about
yylval not being initialized) show only when GCC is given -O2.  The
previous patch fixes the warnings. Run the test suite with compiler
options unmodified.

* tests/atlocal.in (O0CFLAGS, O0CXXFLAGS): Remove, use CFLAGS and
CXXFLAGS.

11 years agoyacc.c: initialize yylval in pure-parser mode
Paul Eggert [Fri, 5 Oct 2012 17:55:11 +0000 (10:55 -0700)]
yacc.c: initialize yylval in pure-parser mode

See http://lists.gnu.org/archive/html/bison-patches/2012-08/msg00024.html
(spreading over September and October).

* data/yacc.c (YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN)
(YY_IGNORE_MAYBE_UNINITIALIZED_END, YYLVAL_INITIALIZE):
New macros.  Use them to suppress an unwanted GCC diagnostic.

11 years agoskeletons: style changes
Akim Demaille [Mon, 8 Oct 2012 07:12:10 +0000 (09:12 +0200)]
skeletons: style changes

* data/yacc.c, data/glr.c: Prefer Title case for (CPP) macro arguments.

11 years agotests: minor improvements
Akim Demaille [Thu, 20 Sep 2012 09:42:06 +0000 (11:42 +0200)]
tests: minor improvements

* tests/c++.at: Space changes.
Use AT_YYERROR_DEFINE.
* tests/local.at (AT_YYERROR_DEFINE): Issue errors on unknown languages.

11 years agotests: use $PERL instead of perl
Akim Demaille [Fri, 5 Oct 2012 07:24:59 +0000 (09:24 +0200)]
tests: use $PERL instead of perl

* tests/atlocal.in (PERL): New.
Sort.
* tests/calc.at, tests/input.at, tests/local.at, tests/regression.at,
* tests/skeletons.at, tests/synclines.at, tests/torture.at: here.

11 years agobuild: look for Perl in configure.
Akim Demaille [Sun, 8 Apr 2012 06:58:43 +0000 (08:58 +0200)]
build: look for Perl in configure.

Bison uses "/usr/bin/perl" or "perl" in several places, and it does
not appear to be a problem.  But, at least to make it simpler to
change PERL on the make command line, check for perl in configure.

* configure.ac (PERL): New.
* doc/Doxyfile.in, doc/Makefile.am, tests/bison.in: Use it.

11 years agotests: fix sed portability issues
Akim Demaille [Fri, 5 Oct 2012 07:20:30 +0000 (09:20 +0200)]
tests: fix sed portability issues

Reported by Didier Godefroy,
<http://lists.gnu.org/archive/html/bug-bison/2012-10/msg00005.html>.

* tests/calc.at (AT_CHECK_SPACES): Use Perl.

11 years agotests: diff -u is not portable
Akim Demaille [Fri, 5 Oct 2012 06:54:15 +0000 (08:54 +0200)]
tests: diff -u is not portable

Reported by Didier Godefroy
<http://lists.gnu.org/archive/html/bug-bison/2012-10/msg00006.html>.

* tests/existing.at (AT_LALR1_DIFF_CHECK): Skip if diff -u does not
work.

11 years agomaint: word changes
Akim Demaille [Thu, 4 Oct 2012 09:45:09 +0000 (11:45 +0200)]
maint: word changes

* README-hacking (Typical errors): Improve wording.

11 years agolalr1.cc: fix test suite portability
Akim Demaille [Thu, 4 Oct 2012 07:07:42 +0000 (09:07 +0200)]
lalr1.cc: fix test suite portability

Reported by Rob Vermaas' Hydra build farm on x86_64-darwin 10.2.0 with
G++ 4.6.3.

* tests/headers.at (Several parsers): Include AT_DATA_SOURCE_PROLOGUE
in the files to compile.
* data/location.cc: Do not include twice string and iostream (once
by position.hh, and then by location.hh).
* README-hacking (Typical errors): Some hints for other maintainers.

11 years agomaint: fix an erroneous include
Theophile Ranquet [Wed, 3 Oct 2012 15:26:56 +0000 (15:26 +0000)]
maint: fix an erroneous include

This fixes test 130 (Several parsers).

* data/location.cc: Include <iostream> rather than <iosfwd> since
we really need << on strings for instance.
* NEWS: Document this.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
11 years agotests: check that headers are self contained
Akim Demaille [Wed, 3 Oct 2012 07:17:58 +0000 (09:17 +0200)]
tests: check that headers are self contained

Reported by Alexandre Duret-Lutz.

* tests/headers.at (Several parsers): here.

11 years agodoc: add missing documentation for --report
Akim Demaille [Wed, 3 Oct 2012 06:43:10 +0000 (08:43 +0200)]
doc: add missing documentation for --report

* doc/bison.texi (Bison Options): Document --report's "solved", "all",
and "none".

11 years agoheaders: move CPP guards into YY_*_INCLUDED to avoid collisions
Akim Demaille [Thu, 27 Sep 2012 07:43:49 +0000 (09:43 +0200)]
headers: move CPP guards into YY_*_INCLUDED to avoid collisions

See <http://lists.gnu.org/archive/html/bug-bison/2012-09/msg00016.html>.

* data/c.m4 (b4_cpp_guard): Prepend YY_ and append _INCLUDED.
* tests/headers.at: Adjust.
* NEWS, doc/bison.texi: Document.

11 years agominor changes.
Akim Demaille [Thu, 27 Sep 2012 07:42:57 +0000 (09:42 +0200)]
minor changes.

* NEWS: Word changes.
* doc/bison.texi: Spell check.
Fix minor issues.
* tests/headers.at: Comment and formatting changes.

11 years agognulib: update
Akim Demaille [Fri, 28 Sep 2012 13:04:57 +0000 (15:04 +0200)]
gnulib: update

11 years agognulib: update
Akim Demaille [Fri, 19 Oct 2012 09:36:18 +0000 (11:36 +0200)]
gnulib: update

11 years agoxml: slight improvement of the DOT output
Akim Demaille [Fri, 19 Oct 2012 09:28:59 +0000 (11:28 +0200)]
xml: slight improvement of the DOT output

This was completely forgotten...  Nothing about XML is actually
documented...

* data/xslt/xml2dot.xsl: Use boxes, and Courier font.

11 years agomaint: check for dot before using it
Akim Demaille [Fri, 19 Oct 2012 09:28:01 +0000 (11:28 +0200)]
maint: check for dot before using it

* configure.ac: here.
* doc/Makefile.am: Use $(DOT).
Ship the generated files, to spare the user the need for Graphviz.

11 years agographs: documentation
Theophile Ranquet [Thu, 18 Oct 2012 15:38:32 +0000 (15:38 +0000)]
graphs: documentation

Note that 'make web-manual' fails.

* NEWS: Document these changes.
* doc/Makefile.am: Adjust to generate example files.
* doc/bison.texi: Add a Graphviz section after "Understanding::", the section
describing the .output file, because these are similar.
* doc/figs/example-reduce.dot, doc/figs/example-reduce.txt,
doc/figs/example-shift.dot, doc/figs/example-shift.txt: New, minimal
examples to illustrate the documentation.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
11 years agographs: add tests, introducing -k graph
Theophile Ranquet [Thu, 18 Oct 2012 15:38:33 +0000 (15:38 +0000)]
graphs: add tests, introducing -k graph

* tests/output.at (AT_TEST): New.
Use it to add 6 --graph tests.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
11 years agographs: change the output format of the rules
Theophile Ranquet [Thu, 18 Oct 2012 15:38:31 +0000 (15:38 +0000)]
graphs: change the output format of the rules

Use something similar to the report file.

* src/print_graph.c (print_lhs): New, obstack equivalent of rule_lhs_print.
(print_core): Use here.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
11 years agographs: style changes
Theophile Ranquet [Thu, 18 Oct 2012 15:38:30 +0000 (15:38 +0000)]
graphs: style changes

* src/graphviz.c (start_graph): Use courier font.
(conclude_red): Use commas to separate attributes. Show the acceptation
as a special reduction, with a blue color and an "Acc" label. Show the
lookahead tokens between square brackets.
(output_red): No longer label default reductions.
* src/print_graph.c (print_core): Refactor spacing, and print an
additional space between a rule's rhs and its lookahead tokens. Also,
capitalize "State".
(print_actions): Style, move a declaration.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
11 years agographs: address an issue with R/R conflicts
Theophile Ranquet [Thu, 18 Oct 2012 15:38:29 +0000 (15:38 +0000)]
graphs: address an issue with R/R conflicts

All disabled reductions should now be shown as such.

* src/graphviz.c (output_red): Here.
(conclude_red): New.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
11 years agojava: fixes
Akim Demaille [Tue, 16 Oct 2012 09:04:03 +0000 (11:04 +0200)]
java: fixes

* data/java.m4: Remove stray M4 characters.

12 years agojava: use api.location.type and api.position.type
Akim Demaille [Fri, 12 Oct 2012 11:00:59 +0000 (13:00 +0200)]
java: use api.location.type and api.position.type

* data/java.m4: here.
* NEWS, doc/bison.texi, tests/java.at: Adjust.

12 years agotests: check %no-lines
Akim Demaille [Fri, 12 Oct 2012 08:10:18 +0000 (10:10 +0200)]
tests: check %no-lines

* tests/synclines.at: here.

12 years agotests: minor simplification
Akim Demaille [Fri, 12 Oct 2012 08:09:40 +0000 (10:09 +0200)]
tests: minor simplification

* tests/headers.at (Several parsers): Use *.y even for C++.

12 years agographs: stylistic changes.
Akim Demaille [Thu, 11 Oct 2012 14:58:03 +0000 (16:58 +0200)]
graphs: stylistic changes.

* src/graphviz.c (output_red): Comment and formatting changes.

12 years agographs: minor style changes
Theophile Ranquet [Thu, 11 Oct 2012 16:09:03 +0000 (16:09 +0000)]
graphs: minor style changes

* src/graphviz.c (output_red): Fix C90 issues.
Reduce variable scopes.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agographs: show reductions
Theophile Ranquet [Mon, 8 Oct 2012 06:11:41 +0000 (06:11 +0000)]
graphs: show reductions

* src/graphviz.c (output_red): New, show reductions on the graph.
(no_reduce_bitset_init): New, initialize a bitset.
(print_token): New, print a lookahead token.
(escape): New, print "foo" as \"foo\" because Dot doesn't like quotes within
a label.

* src/graphviz.h : Adjust.
* src/print_graph.c (print_actions): Call output_red here.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agographs: style: prefix state number with "state"
Theophile Ranquet [Wed, 10 Oct 2012 17:14:04 +0000 (17:14 +0000)]
graphs: style: prefix state number with "state"

* src/print_graph.c (print_core): Here.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agographs: style: use left justification for states
Theophile Ranquet [Mon, 8 Oct 2012 15:53:44 +0000 (15:53 +0000)]
graphs: style: use left justification for states

The label text of nodes is centered "by default" (by the use of '\n' as
a line feed). This gives bad readability to the grammar rules shown in
state nodes, a left justification is much nicer. This is done by using '\l'
as the line feed.

In order to allow \l in the DOT file, changes to the quoting system seem
necessary.

* src/print_graph.c (print_core): Escape tokens here, instead of...
* src/graphviz.c (output_node): Here...
(escape): Using this, new.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agographs: style: prefix rules and change shapes
Theophile Ranquet [Wed, 10 Oct 2012 17:14:02 +0000 (17:14 +0000)]
graphs: style: prefix rules and change shapes

* src/graphviz.c (start_graph): Use box rather than ellipsis.
* src/print_graph.c (print_core): Prefix rules with their number.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoobstack: import obstack_finish0 from master
Theophile Ranquet [Wed, 10 Oct 2012 17:14:01 +0000 (17:14 +0000)]
obstack: import obstack_finish0 from master

* src/system.h (obstack_finish0): New.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoc++: api.location.type
Akim Demaille [Tue, 9 Oct 2012 10:09:59 +0000 (12:09 +0200)]
c++: api.location.type

This feature was introduced in 95a2de5695670ae0df98cb3c42141cad549f0204
(which is part of 2.5), but not documented.  Give it a proper name, and
make it public.

* data/c++.m4, data/lalr1.cc, data/glr.cc, data/java.m4: Use
api.location.type instead of location_type.
* src/muscle-tab.c (muscle_percent_variable_update): Map the latter to
the former.
* tests/local.at: Adjust.
* tests/calc.at: Use api.location.type.
Leave tests/java.at with location_type, at least for the time being,
to cover both names.
* doc/bison.texi: Document api.location.type.
(User Defined Location Type): New.
* NEWS: Update.

12 years agomuscles: a function for backward compatibility
Akim Demaille [Tue, 9 Oct 2012 10:13:55 +0000 (12:13 +0200)]
muscles: a function for backward compatibility

Based on commit 171ad99d6421935a278656be6dc7161591835d00 from master.

* src/muscle-tab.c (muscle_percent_variable_update): New.
(muscle_percent_define_insert): Use it.
Define the variables with their initial value.

12 years agomaint: more macros
Akim Demaille [Tue, 9 Oct 2012 10:12:52 +0000 (12:12 +0200)]
maint: more macros

* src/output.c (ARRAY_CARDINALITY): Move to...
* src/system.h: here.
(STREQ, STRNEQ): new.

12 years agoNEWS: warnings with clang
Akim Demaille [Mon, 8 Oct 2012 11:46:50 +0000 (13:46 +0200)]
NEWS: warnings with clang

* NEWS: here.

12 years agowarnings: avoid warnings from clang
Akim Demaille [Mon, 8 Oct 2012 07:17:20 +0000 (09:17 +0200)]
warnings: avoid warnings from clang

Fix the following warning

  parse-gram.c:2078:14: error: equality comparison with extraneous parentheses
                        [-Werror,-Wparentheses-equality]
    if (((yyn) == (-91)))
         ~~~~~~^~~~~~~~
  parse-gram.c:2078:14: note: remove extraneous parentheses around the
                        comparison to silence this warning
    if (((yyn) == (-91)))
        ~      ^       ~
  parse-gram.c:2078:14: note: use '=' to turn this equality comparison into
                        an assignment
    if (((yyn) == (-91)))
               ^~
               =
  1 error generated.

and the following one:

  input.cc:740:1: error: function declared 'noreturn' should not return
                         [-Werror,-Winvalid-noreturn]
  static void yyMemoryExhausted (yyGLRStack* yystackp)
    __attribute__ ((__noreturn__));
  static void
  yyMemoryExhausted (yyGLRStack* yystackp)
  {
    YYLONGJMP (yystackp->yyexception_buffer, 2);
  }
  ^
  1 warning and 1 error generated.

This is Apple clang version 3.1 (tags/Apple/clang-318.0.61).

* data/c.m4 (b4_table_value_equals): Use (!!(A == B)) instead of (A == B)
to avoid this warning.
Any reasonable compiler should generate the same code.
* src/uniqstr.h (UNIQSTR_EQ): Likewise.
* data/glr.c (LONGJMP): abort after longjmp to pacify clang.

12 years agotests: no longer disable -O compiler options
Akim Demaille [Mon, 8 Oct 2012 07:02:09 +0000 (09:02 +0200)]
tests: no longer disable -O compiler options

Tests are running without -O since
f377f69fec28013c79db4efe12bbb9d48987fb2c because some warnings (about
yylval not being initialized) show only when GCC is given -O2.  The
previous patch fixes the warnings. Run the test suite with compiler
options unmodified.

* tests/atlocal.in (O0CFLAGS, O0CXXFLAGS): Remove, use CFLAGS and
CXXFLAGS.

12 years agoyacc.c: initialize yylval in pure-parser mode
Paul Eggert [Fri, 5 Oct 2012 17:55:11 +0000 (10:55 -0700)]
yacc.c: initialize yylval in pure-parser mode

See http://lists.gnu.org/archive/html/bison-patches/2012-08/msg00024.html
(spreading over September and October).

* data/yacc.c (YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN)
(YY_IGNORE_MAYBE_UNINITIALIZED_END, YYLVAL_INITIALIZE):
New macros.  Use them to suppress an unwanted GCC diagnostic.

12 years agoskeletons: style changes
Akim Demaille [Mon, 8 Oct 2012 07:12:10 +0000 (09:12 +0200)]
skeletons: style changes

* data/yacc.c, data/glr.c: Prefer Title case for (CPP) macro arguments.

12 years agolalr1.cc: document exception safety
Akim Demaille [Mon, 1 Oct 2012 09:41:26 +0000 (11:41 +0200)]
lalr1.cc: document exception safety

* NEWS: here.
* doc/bison.texi (Destructor Decl, C++ Parser Interface): and there.

12 years agolalr1.cc: check exception safety of error handling
Akim Demaille [Tue, 25 Sep 2012 12:18:04 +0000 (14:18 +0200)]
lalr1.cc: check exception safety of error handling

* tests/c++.at (Exception safety): Don't use swap here, it
is useless.
Cover more test cases: yyerror, YYERROR, YYABORT, and
error recovery.
(Object): Instead of just keeping a counter of instances, keep
a list of them.

12 years agolalr1.cc: check (and fix) %printer exception safety
Akim Demaille [Tue, 25 Sep 2012 09:41:22 +0000 (11:41 +0200)]
lalr1.cc: check (and fix) %printer exception safety

* tests/c++.at (Exception safety): Let the parser support the --debug
option.
On 'p', throw an exception from the %printer.
* data/lalr1.cc (yyparse): Do not display the values we discard, as it
uses %printer, which might have thrown the exception.

12 years agolalr1.cc: check (and fix) %initial-action exception safety
Akim Demaille [Tue, 25 Sep 2012 09:17:55 +0000 (11:17 +0200)]
lalr1.cc: check (and fix) %initial-action exception safety

* data/lalr1.cc: Check size > 1, rather than size != 1, when cleaning
the stack, as at the beginning, size is 0.
* tests/c++.at (Exception safety): Check exception safety in
%initial-action.

12 years agolalr1.cc: fix exception safety
Akim Demaille [Thu, 20 Sep 2012 14:59:29 +0000 (16:59 +0200)]
lalr1.cc: fix exception safety

lalr1.cc does not reclaim its memory when ended by an exception.

Reported by Oleksii Taran:
http://lists.gnu.org/archive/html/help-bison/2012-09/msg00000.html

* data/lalr1.cc (yyparse): Protect the whole yyparse by a try-catch
block that cleans the stack and the lookahead.

12 years agolalr1.cc: check exception safety.
Akim Demaille [Thu, 20 Sep 2012 09:43:19 +0000 (11:43 +0200)]
lalr1.cc: check exception safety.

* tests/c++.at (Exception safety): New.

12 years agolalr1.cc: indentation fixes.
Akim Demaille [Thu, 20 Sep 2012 15:04:50 +0000 (17:04 +0200)]
lalr1.cc: indentation fixes.

* data/lalr1.cc (yyparse): here.
Untabify a block of code.

12 years agolalr1.cc: don't leave macros define to nothing
Akim Demaille [Tue, 25 Sep 2012 12:14:57 +0000 (14:14 +0200)]
lalr1.cc: don't leave macros define to nothing

* data/lalr1.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT, YY_STACK_PRINT):
Define to something so that, for instance, "if (foo) YY_SYMBOL_PRINT"
is valid even when !YYDEBUG.

12 years agotests: minor improvements
Akim Demaille [Thu, 20 Sep 2012 09:42:06 +0000 (11:42 +0200)]
tests: minor improvements

* tests/c++.at: Space changes.
Use AT_YYERROR_DEFINE.
* tests/local.at (AT_YYERROR_DEFINE): Issue errors on unknown languages.

12 years agotests: use $PERL instead of perl
Akim Demaille [Fri, 5 Oct 2012 07:24:59 +0000 (09:24 +0200)]
tests: use $PERL instead of perl

* tests/atlocal.in (PERL): New.
Sort.
* tests/calc.at, tests/input.at, tests/local.at, tests/regression.at,
* tests/skeletons.at, tests/synclines.at, tests/torture.at: here.

12 years agobuild: look for Perl in configure.
Akim Demaille [Sun, 8 Apr 2012 06:58:43 +0000 (08:58 +0200)]
build: look for Perl in configure.

Bison uses "/usr/bin/perl" or "perl" in several places, and it does
not appear to be a problem.  But, at least to make it simpler to
change PERL on the make command line, check for perl in configure.

* configure.ac (PERL): New.
* doc/Doxyfile.in, doc/Makefile.am, tests/bison.in: Use it.

12 years agotests: fix sed portability issues
Akim Demaille [Fri, 5 Oct 2012 07:20:30 +0000 (09:20 +0200)]
tests: fix sed portability issues

Reported by Didier Godefroy,
<http://lists.gnu.org/archive/html/bug-bison/2012-10/msg00005.html>.

* tests/calc.at (AT_CHECK_SPACES): Use Perl.

12 years agotests: diff -u is not portable
Akim Demaille [Fri, 5 Oct 2012 06:54:15 +0000 (08:54 +0200)]
tests: diff -u is not portable

Reported by Didier Godefroy
<http://lists.gnu.org/archive/html/bug-bison/2012-10/msg00006.html>.

* tests/existing.at (AT_LALR1_DIFF_CHECK): Skip if diff -u does not
work.

12 years agomaint: word changes
Akim Demaille [Thu, 4 Oct 2012 09:45:09 +0000 (11:45 +0200)]
maint: word changes

* README-hacking (Typical errors): Improve wording.

12 years agolalr1.cc: fix test suite portability
Akim Demaille [Thu, 4 Oct 2012 07:07:42 +0000 (09:07 +0200)]
lalr1.cc: fix test suite portability

Reported by Rob Vermaas' Hydra build farm on x86_64-darwin 10.2.0 with
G++ 4.6.3.

* tests/headers.at (Several parsers): Include AT_DATA_SOURCE_PROLOGUE
in the files to compile.
* data/location.cc: Do not include twice string and iostream (once
by position.hh, and then by location.hh).
* README-hacking (Typical errors): Some hints for other maintainers.

12 years agomaint: fix an erroneous include
Theophile Ranquet [Wed, 3 Oct 2012 15:26:56 +0000 (15:26 +0000)]
maint: fix an erroneous include

This fixes test 130 (Several parsers).

* data/location.cc: Include <iostream> rather than <iosfwd> since
we really need << on strings for instance.
* NEWS: Document this.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agotests: check that headers are self contained
Akim Demaille [Wed, 3 Oct 2012 07:17:58 +0000 (09:17 +0200)]
tests: check that headers are self contained

Reported by Alexandre Duret-Lutz.

* tests/headers.at (Several parsers): here.

12 years agodoc: add missing documentation for --report
Akim Demaille [Wed, 3 Oct 2012 06:43:10 +0000 (08:43 +0200)]
doc: add missing documentation for --report

* doc/bison.texi (Bison Options): Document --report's "solved", "all",
and "none".

12 years agoheaders: move CPP guards into YY_*_INCLUDED to avoid collisions
Akim Demaille [Thu, 27 Sep 2012 07:43:49 +0000 (09:43 +0200)]
headers: move CPP guards into YY_*_INCLUDED to avoid collisions

See <http://lists.gnu.org/archive/html/bug-bison/2012-09/msg00016.html>.

* data/c.m4 (b4_cpp_guard): Prepend YY_ and append _INCLUDED.
* tests/headers.at: Adjust.
* NEWS, doc/bison.texi: Document.

12 years agominor changes.
Akim Demaille [Thu, 27 Sep 2012 07:42:57 +0000 (09:42 +0200)]
minor changes.

* NEWS: Word changes.
* doc/bison.texi: Spell check.
Fix minor issues.
* tests/headers.at: Comment and formatting changes.

12 years agognulib: update
Akim Demaille [Fri, 28 Sep 2012 13:04:57 +0000 (15:04 +0200)]
gnulib: update

12 years agoerrors: indent "user token number redeclaration" context
Theophile Ranquet [Fri, 28 Sep 2012 12:12:59 +0000 (12:12 +0000)]
errors: indent "user token number redeclaration" context

This is the continuation of the work on the readability of errors
context.

* src/symtab.c (user_token_number_redeclaration): Use
complain_at_indent to output with increased indentation level.
* tests/input:at: Apply this change.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agowarnings: introduce -Wdeprecated in the usage info
Theophile Ranquet [Wed, 26 Sep 2012 09:49:23 +0000 (11:49 +0200)]
warnings: introduce -Wdeprecated in the usage info

The deprecated warning, introduced some time ago, was not displayed in
the usage message. This patch addresses the issue.

* src/getargs.c (usage): Insert here.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoerrors: prefix the output with "error: "
Theophile Ranquet [Wed, 26 Sep 2012 09:49:22 +0000 (11:49 +0200)]
errors: prefix the output with "error: "

This improves readability. This is also what gcc does.

* NEWS: Document this change.
* src/complain.c (complain_at): Prefix all errors with "error: ".
(complain_at_indent, warn_at_indent): Do not prefix the context
information of errors, which are basically just indented errors.
* tests/conflicts.at, tests/glr-regression.at, tests/input.at,
tests/named-refs.at, tests/output.at, tests/push.at,
tests/regression.at, tests/skeletons.at: Apply this change.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoerrors: indent "invalid value for %define" context
Theophile Ranquet [Wed, 26 Sep 2012 09:49:21 +0000 (11:49 +0200)]
errors: indent "invalid value for %define" context

This is the continuation of the work on the readability of errors
    context.

For example, what used to be:
  input.y:1.9-29: invalid value for %define variable 'foo' : 'bar'
  input.y:1.9-29: accepted value: 'most'

is now:
  input.y:1.9-29: invalid value for %define variable 'foo' : 'bar'
  input.y:1.9-29:     accepted value: 'most'

* src/muscle-tab.c (muscle_percent_define_check_values): Use
complain_at_indent to output with increased indentation level.
* tests/input:at: Apply this change.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoerrors: indent "%define var" redefinition context
Theophile Ranquet [Wed, 26 Sep 2012 09:49:20 +0000 (11:49 +0200)]
errors: indent "%define var" redefinition context

This is the continuation of the work on the readability of errors
context.

For example, what used to be:
  input.y:2.9-11: %define variable 'var' redefined
  input.y:1.9-11: previous definition

is now:
  input.y:2.9-11: %define variable 'var' redefined
  input.y:1.9-11:     previous definition

* src/muscle-tab.c (muscle_percent_define_insert): Use
complain_at_indent to output with increased indentation level.
* tests/input.at: Apply this change.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoerrors: indent "symbol redeclaration" context
Theophile Ranquet [Wed, 26 Sep 2012 09:49:19 +0000 (11:49 +0200)]
errors: indent "symbol redeclaration" context

This is the continuation of the work on the readability of errors
context.

For example, what used to be:
  input.y:5.10-24: %printer redeclaration for <field2>
  input.y:3.11-25: previous declaration

is now:
  input.y:5.10-24: %printer redeclaration for <field2>
  input.y:3.11-25:     previous declaration

* NEWS: Document this change.
* src/symtab.c (symbol_redeclaration, semantic_type_redeclaration,
user_token_number_redeclaration, default_tagged_destructor_set,
default_tagless_destructor_set, default_tagged_printer_set,
default_tagless_printer_set): Use complain_at_indent to
output with increased indentation level.
* tests/input.at: Apply this change.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoerrors: indent "result type clash" error context
Theophile Ranquet [Wed, 26 Sep 2012 09:49:18 +0000 (11:49 +0200)]
errors: indent "result type clash" error context

This used to be the format of the error report:

  input.y:6.5-10: result type clash on merge function 'merge': [...]
  input.y:2.4-9: previous declaration

In order to distinguish the actual error from the context provided, we
rather this new output:

  input.y:6.5-10: result type clash on merge function 'merge': [...]
  input.y:2.4-9:     previous declaration

Another patch will introduce an "error: " prefix to all non-indented
lines, giving yet better readability to the reports.

* src/complain.h (SUB_INDENT): Move to here.
* src/reader.c (record_merge_function_type): Use complain_at_indent to
output with increased indentation level.
* src/scan-code.l (SUB_INDENT): Remove from here.
* tests/glr-regression.at: Apply this change.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
12 years agoregen
Akim Demaille [Fri, 21 Sep 2012 11:35:28 +0000 (13:35 +0200)]
regen

12 years agoyacc: fix handling of CPP guards when no header is generated
Akim Demaille [Fri, 21 Sep 2012 09:10:37 +0000 (11:10 +0200)]
yacc: fix handling of CPP guards when no header is generated

When no header was to be generated, Bison would issue:

  /* In a future release of Bison, this section will be replaced
     by #include "".  */
  #ifndef YY_
  # define YY_

It now properly generates nothing.

* data/c.m4 (b4_cpp_guard_open, b4_cpp_guard_close): Issue nothing when
the file name is empty.
* data/yacc.c: Do not generate the above comment when there is no header
to generate.
* NEWS: Update.

12 years agognulib: update
Akim Demaille [Thu, 20 Sep 2012 15:04:55 +0000 (17:04 +0200)]
gnulib: update

12 years agomaint: remove useless file
Akim Demaille [Tue, 4 Sep 2012 08:58:23 +0000 (10:58 +0200)]
maint: remove useless file

* externals/bootstrap.cfg: Remove.
This file was used by a specific build system.
It was added to the master repository by accident.

12 years agoupdate files to ignore
Akim Demaille [Tue, 4 Sep 2012 08:48:26 +0000 (10:48 +0200)]
update files to ignore

* doc/.gitignore: Don't ignore split info files as we don't split our
info file.
See <http://lists.gnu.org/archive/html/bug-bison/2012-08/msg00006.html>.

12 years agoremove useless include
Akim Demaille [Tue, 4 Sep 2012 07:49:17 +0000 (09:49 +0200)]
remove useless include

* src/system.h: Don't include sys/types.h.
Reported by Eric Blake,
<http://lists.gnu.org/archive/html/bug-bison/2012-09/msg00002.html>.
(FUNCTION_PRINT): Remove, unused.

12 years agouse locale-indep. c_is* functions for parsing, not isspace, isprint etc
Jim Meyering [Sun, 5 Aug 2012 11:28:01 +0000 (13:28 +0200)]
use locale-indep. c_is* functions for parsing, not isspace, isprint etc

* src/parse-gram.y: Include "c-ctype.h".
(add_param): Parse with c_isspace, not isspace.
* src/parse-gram.c: Likewise.
* src/scan-gram.l: Include c-ctype.h, not ctype.h.
(SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER): Use c_isspace and c_isprint,
not ctype.h's locale-dependent functions.

12 years agognulib: update
Akim Demaille [Mon, 3 Sep 2012 08:56:54 +0000 (10:56 +0200)]
gnulib: update

12 years ago--help: include a place to report translation issues
Akim Demaille [Fri, 31 Aug 2012 16:18:13 +0000 (18:18 +0200)]
--help: include a place to report translation issues

http://lists.gnu.org/archive/html/bug-bison/2012-08/msg00007.html
shows that it is useful to help users report translation issues.
While at it, include other informative bits that the coreutils shows.

* src/getargs.c (usage): Report more URLs where the user can
refer to.
Mostly copied/pasted from coreutils' emit_ancillary_info function.

12 years agotests: style changes
Akim Demaille [Wed, 22 Aug 2012 12:26:26 +0000 (14:26 +0200)]
tests: style changes

* tests/torture.at (AT_DATA_STACK_TORTURE): M4 style changes to
improve readability.
Fix an assertion which, because of a <= instead of ==, did not check
new_status as visibly meant.
(get_args): New.

12 years agotests: fix push-pull test
Akim Demaille [Wed, 22 Aug 2012 11:48:55 +0000 (13:48 +0200)]
tests: fix push-pull test

* tests/torture.at: %push-pull-parser is no longer supported.

12 years agoyacc.c: style changes
Akim Demaille [Fri, 31 Aug 2012 15:50:31 +0000 (17:50 +0200)]
yacc.c: style changes

* data/yacc.c: (yytoken): Define with initial value.

12 years agomaint: post-release administrivia
Akim Demaille [Fri, 3 Aug 2012 07:52:05 +0000 (09:52 +0200)]
maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.

12 years agoversion 2.6.2 v2.6.2
Akim Demaille [Fri, 3 Aug 2012 07:43:02 +0000 (09:43 +0200)]
version 2.6.2

* NEWS: Record release date.

12 years agoNEWS: update.
Akim Demaille [Thu, 2 Aug 2012 11:51:17 +0000 (13:51 +0200)]
NEWS: update.

* NEWS: Catch up with the other changes from 2.6.1.

12 years agoyacc: remove trailing end of line at end of file
Akim Demaille [Thu, 2 Aug 2012 10:01:54 +0000 (12:01 +0200)]
yacc: remove trailing end of line at end of file

There are still spurious spaces at the end of some lines.  But this is
addressed in the master branch, and I am reluctant to try to backport
this.

* data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: here.
* tests/calc.at (AT_CHECK_SPACES): New.
Use it.
Be sure not to introduce trailing empty lines in the *.y files.
* NEWS: Doc it.
* cfg.mk (syntax-check): Remove the exception.

12 years agothanks: fix a contributor name
Akim Demaille [Thu, 2 Aug 2012 06:29:18 +0000 (08:29 +0200)]
thanks: fix a contributor name

* THANKS: On his request.

12 years agognulib: update
Akim Demaille [Wed, 1 Aug 2012 07:59:49 +0000 (09:59 +0200)]
gnulib: update

12 years agotests: synch line -> syncline, for consistency
Akim Demaille [Wed, 1 Aug 2012 06:27:28 +0000 (08:27 +0200)]
tests: synch line -> syncline, for consistency

* tests/synclines.at: Do it, as "syncline" is used consistently
everywhere else in Bison.

12 years agotests: synclines: style changes
Akim Demaille [Wed, 1 Aug 2012 07:30:27 +0000 (09:30 +0200)]
tests: synclines: style changes

* tests/synclines.at (AT_TEST_SYNCLINE): Rename as...
(AT_TEST): this.
Use pushdef/popdef.
Formatting changes.
Use '+' instead of '*' where appropriate.

12 years agotests: synclines: fix perl invocation
Akim Demaille [Wed, 1 Aug 2012 07:30:23 +0000 (09:30 +0200)]
tests: synclines: fix perl invocation

Reported by Summum Bonum.

* tests/synclines.at: Fix Perl invocation: its -f is not like sed's.

12 years agoregen
Akim Demaille [Tue, 31 Jul 2012 12:18:43 +0000 (14:18 +0200)]
regen