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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

12 years agoc++: trailing end-of-lines in %parse-param
Akim Demaille [Tue, 31 Jul 2012 12:18:39 +0000 (14:18 +0200)] 
c++: trailing end-of-lines in %parse-param

* src/parse-gram.y (add_param): No only skip ' ' and '\t', skip all
leading and trailing spaces.
* tests/regression.at (Lex and parse params): Check it.
* NEWS: Document it.

12 years agotests: simplify
Akim Demaille [Tue, 31 Jul 2012 12:29:39 +0000 (14:29 +0200)] 
tests: simplify

* tests/regression.at: Remove useless compilations: AT_FULL_COMPILE
includes the compilation by bison.

12 years agouse obstack_printf
Akim Demaille [Mon, 30 Jul 2012 16:05:10 +0000 (18:05 +0200)] 
use obstack_printf

This is not just nicer, it is also much safer, since we were
using sprintf...

* bootstrap.conf: Require it.
* src/system.h (obstack_fgrow1, obstack_fgrow2, obstack_fgrow3)
(obstack_fgrow4): Remove.
Adjust dependencies.

12 years agoscanner: restore a missing start condition
Akim Demaille [Mon, 30 Jul 2012 12:54:27 +0000 (14:54 +0200)] 
scanner: restore a missing start condition

$ flex src/scan-skel.l
src/scan-skel.l:145: multiple <<EOF>> rules for start condition SC_AT_DIRECTIVE_ARGS
src/scan-skel.l:145: multiple <<EOF>> rules for start condition SC_AT_DIRECTIVE_SKIP_WS
This is warning, and it seems there are no means to make it an error.

* src/scan-skel.l: Restore the start-condition INITIAL for an <<EOF>>
clause.

12 years agognulib: update
Akim Demaille [Mon, 30 Jul 2012 12:53:58 +0000 (14:53 +0200)] 
gnulib: update

12 years agomaint: post-release administrivia
Akim Demaille [Mon, 30 Jul 2012 09:47:29 +0000 (11:47 +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 2.6.1 v2.6.1
Akim Demaille [Mon, 30 Jul 2012 09:18:23 +0000 (11:18 +0200)] 
version 2.6.1

* NEWS: Record release date.

12 years agognulib: update
Akim Demaille [Mon, 30 Jul 2012 09:10:36 +0000 (11:10 +0200)] 
gnulib: update

12 years agomaint: fix some syntax-check issues
Akim Demaille [Fri, 27 Jul 2012 15:00:28 +0000 (17:00 +0200)] 
maint: fix some syntax-check issues

* cfg.mk: Nuke the following warnings which are confused by our
text reports (that state that the error token is number 256).
  prohibit_magic_number_exit
  ../../doc/bison.texi:8170:error (256)
  ../../tests/conflicts.at:570:error (256)
  ../../tests/conflicts.at:673:error (256)
  ../../tests/conflicts.at:811:error (256)
  ../../tests/conflicts.at:1154:error (256)
  ../../tests/regression.at:281:error (256)
  ../../tests/regression.at:582:error (256)
  maint.mk: use EXIT_* values rather than magic number

12 years agotests: do not depend on __cplusplus to decide for C++ or C output
Akim Demaille [Fri, 27 Jul 2012 14:36:07 +0000 (16:36 +0200)] 
tests: do not depend on __cplusplus to decide for C++ or C output

Since we do support compiling C code with a C++ compiler.

* tests/actions.at (Qualified $$ in actions): Use AT_SKEL_CC_IF.

12 years agoregen
Akim Demaille [Fri, 27 Jul 2012 12:52:55 +0000 (14:52 +0200)] 
regen

12 years agosynclines: remove spurious empty line
Akim Demaille [Fri, 27 Jul 2012 12:52:23 +0000 (14:52 +0200)] 
synclines: remove spurious empty line

* data/bison.m4 (b4_syncline): Do not start with an empty line.

12 years agoalso support $<foo>$ in the %initial-action
Akim Demaille [Fri, 27 Jul 2012 12:20:00 +0000 (14:20 +0200)] 
also support $<foo>$ in the %initial-action

scan-code.l is already passing argument to b4_dollar_dollar for the
initial acton, but its definition (of b4_dollar_dollar) does not use
this argument.

Generalize this definition, and use it for the %initial-action too.

* data/c.m4 (b4_dollar_dollar_, b4_dollar_pushdef, b4_dollar_popdef):
Instead of expecting a pointer, require a value, and use ".".
Since they are now generic enough, move to...
* data/c-like.m4: this new file.
* data/c.m4, data/java.m4: Load it.
* data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Use
b4_dollar_pushdef for the %initial-action.
* tests/actions.at: Check that.
* data/Makefile.am: Adjust.
* NEWS, doc/bison.texi: Document.

12 years agoskeletons: b4_dollar_pushdef and popdef to simpify complex definitions
Akim Demaille [Fri, 27 Jul 2012 11:47:24 +0000 (13:47 +0200)] 
skeletons: b4_dollar_pushdef and popdef to simpify complex definitions

M4 is really making it uselessly hard to define macros that define
macros.
* data/c.m4 (b4_dollar_pushdef, b4_dollar_popdef): New.
Use it.

12 years agoregen
Akim Demaille [Fri, 27 Jul 2012 10:53:46 +0000 (12:53 +0200)] 
regen

12 years agoprinter/destructor: translate only once
Akim Demaille [Fri, 27 Jul 2012 10:47:02 +0000 (12:47 +0200)] 
printer/destructor: translate only once

Currently "%printer {...} a b c d e f" translates the {...} six times.
Not only is this bad for time and space, it also issues six times the
same warnings.

* src/symlist.h, src/symlist.c (symbol_list_destructor_set)
(symbol_list_printer_set): Take the action as code_props instead of
const char *.
* src/parse-gram.y: Translate these actions here.
* src/scan-code.h: Comment change.
* tests/input.at: Check that warnings are issued only once.

12 years agofactor the handling of m4 escaping
Akim Demaille [Fri, 27 Jul 2012 09:22:22 +0000 (11:22 +0200)] 
factor the handling of m4 escaping

The conversion from @ to @@ and so forth is coded is too many
different places.  Factor, a bit.

* src/scan-code.l: Instead of duplicating the logic of obstack_escape,
use it.
It sure is less efficient, but the cost is negligible.
This allows to factor rules that are alike.
And to factor some start-condition clauses.
* tests/input.at (Stray $ or @): New.
* NEWS: Document it.

12 years agonews: schedule the removal of the ";" hack
Akim Demaille [Fri, 27 Jul 2012 10:19:01 +0000 (12:19 +0200)] 
news: schedule the removal of the ";" hack

scan-code.l is significantly more complex because of this.

* NEWS: Doc it.

12 years agostyle changes in the scanners
Akim Demaille [Fri, 27 Jul 2012 09:11:19 +0000 (11:11 +0200)] 
style changes in the scanners

* src/scan-code.l, src/scan-skel.l: Use a more traditional indentation
style for start-conditions.
Prefer "continue" to a comment, for empty actions.
Strip useless {}.
Remove useless start-condition clauses.

12 years agoregen
Akim Demaille [Thu, 26 Jul 2012 15:19:04 +0000 (17:19 +0200)] 
regen

12 years agosupport $<tag>$ in printers and destructors
Akim Demaille [Thu, 26 Jul 2012 14:52:35 +0000 (16:52 +0200)] 
support $<tag>$ in printers and destructors

* src/scan-code.l (SC_SYMBOL_ACTION): Accept $<tag>$, not just $$.
* data/c.m4 (b4_dollar_dollar_): New.
(b4_symbol_actions): Let b4_dollar_dollar use b4_dollar_dollar_.
* NEWS, doc/bison.texi: Document it.
* tests/actions.at: Check this for C and C++.

12 years agoscan-code: factor the handling of the type in $<TYPE>$
Akim Demaille [Thu, 26 Jul 2012 10:06:28 +0000 (12:06 +0200)] 
scan-code: factor the handling of the type in $<TYPE>$

* src/scan-code.l (fetch_type_name): New.
(handle_action_dollar): Use it.
(gt_ptr): Remove, useless.

12 years agomuscles: fix another occurrence of unescaped type name
Akim Demaille [Thu, 26 Jul 2012 12:41:55 +0000 (14:41 +0200)] 
muscles: fix another occurrence of unescaped type name

* src/output.c (quoted_output): Split into...
(quoted_output, string_output): these.
Use the former when outputting a type_name.
* tests/input.at: Check this case.
* src/symtab.h: Comment changes.

12 years agoglr.cc: fix the handling of yydebug
Akim Demaille [Thu, 26 Jul 2012 14:44:45 +0000 (16:44 +0200)] 
glr.cc: fix the handling of yydebug

* data/glr.cc (yydebug_): Remove, unused.
(set_debug_level, debug_level): Work on yydebug instead.
* doc/bison.texi, NEWS: Document this.

12 years agognulib: update
Akim Demaille [Thu, 26 Jul 2012 11:28:58 +0000 (13:28 +0200)] 
gnulib: update

12 years agoformatting changes
Akim Demaille [Thu, 26 Jul 2012 12:41:20 +0000 (14:41 +0200)] 
formatting changes

* src/symtab.h: here.

12 years agotests: fix an assertion
Akim Demaille [Thu, 26 Jul 2012 14:07:26 +0000 (16:07 +0200)] 
tests: fix an assertion

* tests/local.at (AT_YYLEX_DEFINE): Be sure to check the array
against its length, not its size in bytes.

12 years agotests: adjust to GCC 4.8, which displays caret errors
Akim Demaille [Thu, 26 Jul 2012 13:20:50 +0000 (15:20 +0200)] 
tests: adjust to GCC 4.8, which displays caret errors

With GCC 4.8, the tests on synclines are skipped.  Transform

  input.y:1:2: error: #error "1"
   #error "1"
    ^

into

  input.y:1: #error "1"

* tests/synclines.at (AT_SYNCLINES_COMPILE): Do it, using Perl instead of
sed.

12 years agobe sure to properly escape type names
Akim Demaille [Thu, 26 Jul 2012 10:14:50 +0000 (12:14 +0200)] 
be sure to properly escape type names

* src/scan-code.l: Use obstack_quote when passing type_name to m4.
* tests/input.at (Code injection): New.
* NEWS: Document it.
Thanks to Paul Eggert for the wording.

12 years agoobstack_quote: escape and quote for M4
Akim Demaille [Thu, 26 Jul 2012 10:12:38 +0000 (12:12 +0200)] 
obstack_quote: escape and quote for M4

* src/system.h (obstack_quote): New.
* src/muscle-tab.c: Use it instead of obstack_escape where applicable.
* src/scan-code.l: Since obstack_quote supports NULL, leave type_name
as NULL instead of defaulting to "".

12 years agomuscles: shuffle responsabilities
Akim Demaille [Thu, 26 Jul 2012 09:49:42 +0000 (11:49 +0200)] 
muscles: shuffle responsabilities

* src/muscle-tab.c (muscle_boundary_grow): Be in charge of quotation,
instead of leaving this to the caller.

12 years agomuscles: make private functions static
Akim Demaille [Thu, 26 Jul 2012 09:40:52 +0000 (11:40 +0200)] 
muscles: make private functions static

* src/muscle-tab.h, src/muscle-tab.c (muscle_boundary_grow)
(muscle_location_grow): Now static.

12 years agomuscles: rename private functions/macros
Akim Demaille [Thu, 26 Jul 2012 09:23:55 +0000 (11:23 +0200)] 
muscles: rename private functions/macros

* src/muscle-tab.c (MUSCLE_COMMON_DECODE, muscle_string_decode)
(muscle_location_decode): Not related to muscles, rename as...
(COMMON_DECODE, string_decode, location_decode): these.

12 years agoobstack_escape: escape M4 characters
Akim Demaille [Thu, 26 Jul 2012 09:19:18 +0000 (11:19 +0200)] 
obstack_escape: escape M4 characters

* src/muscle-tab.h (MUSCLE_OBSTACK_SGROW): This is not related to
muscles, so move to, and rename as...
* src/system.h (obstack_escape): this.
Adjust dependencies.

12 years agoremove dead macro
Akim Demaille [Thu, 26 Jul 2012 10:16:54 +0000 (12:16 +0200)] 
remove dead macro

* src/system.h (DEFAULT_TMPDIR): Remove, unused.

12 years agomaint: style changes
Akim Demaille [Wed, 25 Jul 2012 15:57:57 +0000 (17:57 +0200)] 
maint: style changes

* src/scan-code.l: Remove useless braces.
Formatting changes.
Prefer NULL to 0.
* src/muscle-tab.c, src/system.h: Formatting changes.

12 years agodoc: avoid problems with case insensitive file systems
Akim Demaille [Tue, 24 Jul 2012 11:24:20 +0000 (13:24 +0200)] 
doc: avoid problems with case insensitive file systems

makeinfo --html generates index.html, and the node "Index" will result
in Index.html.  On case insensitive file systems, such as on Mac OS X
by default, this results in a single, invalid, file (Texinfo 4.13).
See http://lists.gnu.org/archive/html/bug-texinfo/2012-07/msg00032.html

* doc/bison.texi (Index): Rename as...
(Index of Terms): this.

12 years agoconfigure: fix botched quoting
Stefano Lattarini [Sat, 21 Jul 2012 15:24:23 +0000 (17:24 +0200)] 
configure: fix botched quoting

* configure.ac: In the AC_SUBST call on 'VALGRIND_PREBISON'.  Without
this change, when running ./configure, I see:

    ...
    checking for valgrind... valgrind
    ./configure: line 35221: -q: command not found
    checking for Java compiler... gcj -C -fsource=1.3 -ftarget=1.4
    ...

Copyright-paperwork-exempt: yes
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
12 years agonews: fix typo.
Akim Demaille [Fri, 20 Jul 2012 08:00:51 +0000 (10:00 +0200)] 
news: fix typo.

* NEWS: here.
Reported by Ben Pfaff.

12 years agomaint: update gnu-web-doc-update.
Akim Demaille [Thu, 19 Jul 2012 14:24:33 +0000 (16:24 +0200)] 
maint: update gnu-web-doc-update.

* gnulib: here.