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81 Commits

Author SHA1 Message Date
Akim Demaille
bd0cf11e00 c++: always issue the "generated by" message 
Some users rely on this sentence to know that the file can be ignored.
Reported by Alexandre Duret-Lutz.

* data/bison.m4 (b4_generated_by): New.
(b4_copyright): Use it.
* data/location.cc, data/stack.hh: Use it too, for the stub files
(position.hh and stack.hh).
 2018-10-29 20:07:21 +01:00
Akim Demaille
73917e9e6f all: display a clear warning about private macros 
* data/bison.m4 (b4_disclaimer): New.
* data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c: Use it.
 2018-10-22 07:28:54 +02:00
Akim Demaille
ea31f21fd8 C++: let %require "3.2" disable the generation of obsolete files 
The files stack.hh and position.hh are deprecated.  Rather than
devoting specify %define variables to discard them (api.position.file
and api.stack.file), and rather than having to use special rules when
api.location.file is used, let's simply decide that from %require
"3.2" onwards, these files will not be generated.

The only noticeable thing here is that, in order to be able to check
the behavior of %require "3.2", to have this version (which is still
3.1-*) to accept %require "3.2".

* src/gram.h, src/gram.c (required_version): New.
* src/parse-gram.y (version_check): Set it.
* src/output.c (prepare): Pass it m4.
* data/bison.m4 (b4_required_version_if): Receive it and use it.
* data/location.cc, data/stack.hh: Replace the api.*.file with only
required version comparison.
* tests/input.at: No longer check api.stack.file and api.position.file.
* NEWS, doc/bison.texi: Don't mention them.
Document the %require 3.2 behavior.
* tests/output.at: Use %require 3.2 instead.
 2018-10-16 13:33:32 +02:00
Akim Demaille
fa386893aa C++: style: add missing space before parens 
* data/c++.m4, data/lalr1.cc, data/stack.hh, data/variant.hh,
* examples/variant-11.yy: here.
 2018-10-14 15:20:39 +02:00
Akim Demaille
b8351d06f1 C++: issue a better CPP guard and Doxygen file command 
Currently we use "<dir><api.location.file>" as \file argument, and as
base for the CPP guard.  This is not nice when <dir> is absolute, in
which case it is expected that the user will use api.location.include
to get something nicer.  If defined, use that name instead.

* data/location.cc (b4_location_path): New.
Use it.
* tests/c++.at (Shared locations): Check the guard and Doxygen doc.
 2018-10-09 18:58:50 +02:00
Akim Demaille
5fe636c7ee c++: provide a means to control how location.hh is included 
Users may want to generate the location file elsewhere, say
$top_srcdir/include/ast/location.hh.  Yet, we should not generate
`#include "$top_srcdir/include/ast/location.hh"` but probably
something like `#include <ast/location.hh>`, or `#include
"ast/location.hh", or `#include <location.hh>`.  It entirely depends
on the compiler flags (-I/-isystem) that are used.  Bison cannot guess
what is expected, so let's give the user a means to tell how the
location file should be included.

* data/location.cc (b4_location_file): New.
* data/glr.cc, data/lalr1.cc: Use it.
 2018-10-06 18:13:48 +02:00
Akim Demaille
50b8d4ba5a c++: support absolute api.location.file names 
In the case a user wants to create location.hh elsewhere, it can be
helpful to define api.location.file to some possibly absolute path
such as -Dapi.location.file='"$(top_srcdir)/include/ast/location.hh"'.
Currently this does not work with `-o foo/parser.cc`, as we join foo/
and $(top_srcdir) together, the latter starting with slash.

We should not try to do that in m4, manipulating file names is quite
complex when you through Windows file name in.  Let m4 delegate this
to gnulib.

* src/scan-skel.l (at_output): Accept up to two arguments.
* data/bison.m4 (b4_output): Adjust.
* tests/skeletons.at (Fatal errors but M4 continues producing output):
Adjust to keep the error.

* data/location.cc, data/stack.hh: Leave the concatenation to @output.
* tests/output.at: Exercise api.location.file with an absolute path.
 2018-10-06 17:17:25 +02:00
Akim Demaille
3e6a075f7f c++: make position.hh completely useless 
Let's put the definition of position into location.hh, there's no real
value in keeping them separate: they are small, and share the same
requirements.

To help users transition to this new model, still generate position.hh
by default, but as a simple include to location.hh.

* data/location.cc (api.position.file): Accept only 'none' as possible
value.
(position.hh): Make it a stub.
(location.hh): Adjust.
(b4_position_define): Merge into...
(b4_location_define): this.
* data/glr.cc, data/lalr1.cc, tests/input.at, tests/output.at: Adjust.
 2018-10-06 17:17:25 +02:00
Akim Demaille
667588ee8a c++: add support for api.position.file and api.location.file 
* data/location.cc: Sort includes.
(b4_position_file, b4_location_file): New.
When there's a file for locations but not for positions, include the
definition of position in the location file.
* data/lalr1.cc (b4_shared_declarations): Include the
position/location file when it exists.
Otherwise, define the class.
* data/glr.cc: Likewise.
* tests/input.at (%define file variables): Check them.
* tests/output.at (C++ output): Check various cases with
api.position.file and api.location.file.
 2018-10-06 17:17:25 +02:00
Akim Demaille
8c4a1163ee style: remove useless parens 
* data/bison.m4, data/glr.c, data/glr.cc, data/lalr1.cc,
* data/lalr1.java, data/location.cc, data/yacc.c: Call b4_output_end
without parens.
 2018-09-24 21:52:55 +02:00
Akim Demaille
f348522005 C++: fix portability issue with MSVC 2017 
Visual Studio issues a C4146 warning on '-static_cast<unsigned>(rhs)'.
The code is weird, probably to cope with INT_MIN.  Let's go back to
using std::max (whose header is still included in position.hh...) like
originally, but with the needed casts.

Reported by 長田偉伸, and with help from Rici Lake.

See also
http://lists.gnu.org/archive/html/bug-bison/2013-02/msg00000.html
and commit 75ae829984.

* data/location.cc (position::add_): Take min as an int.
Use std::max.
While here, get rid of a couple of useless inlines.
 2018-08-18 18:07:43 +02:00
Akim Demaille
2e9e591889 Update copyright years 
Run `make update-copyright`.
 2018-05-12 18:18:41 +02:00
Akim Demaille
0d40b36417 c++: style: use "unsigned", not "unsigned int" 
This style appears to be more traditional, at least in C++.
For instance in the standard, [facets.examples].
There are occurrences using "unsigned int" too though.

* data/lalr1.cc, data/location.cc, data/stack.hh: here.
 2015-08-12 13:56:06 +02:00
Akim Demaille
b809770efb c++: style: remove useless "inline" and fix space issues 
* data/lalr1.cc, data/c++.m4: Formatting changes.
* data/stack.hh: Remove useless "inline".
Add documentation.
* data/location.cc: Prefer {} for empty bodies.
 2015-08-12 13:56:06 +02:00
Akim Demaille
56351d4c7b c++: locations: complete the API and fix comments 
There are no support for += between locations, and some comments are wrong.
Reported by Alexandre Duret-Lutz.

* data/location.cc: Fix.
* doc/bison.texi: Document.
* tests/c++.at: Check.
 2015-01-05 18:32:23 +01:00
Akim Demaille
3209eb1c4c package: bump to 2015 
Which also requires:

* gnulib: Update.
 2015-01-04 17:49:13 +01:00
Akim Demaille
b702ec61ab location: remove some ugly debugging code traces 
* data/location.cc: here.
 2014-02-03 15:27:03 +01:00
Akim Demaille
fc51acddb4 package: bump to 2014 
* AUTHORS, ChangeLog-2012, Makefile.am, NEWS, PACKAGING, README,
* README-alpha, README-hacking, THANKS, TODO, bootstrap.conf,
* build-aux/darwin11.4.0.valgrind, build-aux/local.mk,
* build-aux/update-b4-copyright,
* build-aux/update-package-copyright-year, cfg.mk, configure.ac,
* data/README, data/bison.m4, data/c++-skel.m4, data/c++.m4,
* data/c-like.m4, data/c-skel.m4, data/c.m4, data/glr.c, data/glr.cc,
* data/java-skel.m4, data/java.m4, data/lalr1.cc, data/lalr1.java,
* data/local.mk, data/location.cc, data/stack.hh, data/variant.hh,
* data/xslt/bison.xsl, data/xslt/xml2dot.xsl, data/xslt/xml2text.xsl,
* data/xslt/xml2xhtml.xsl, data/yacc.c, djgpp/Makefile.maint,
* djgpp/README.in, djgpp/config.bat, djgpp/config.sed,
* djgpp/config.site, djgpp/config_h.sed, djgpp/djunpack.bat,
* djgpp/local.mk, djgpp/subpipe.c, djgpp/subpipe.h,
* djgpp/testsuite.sed, doc/bison.texi, doc/local.mk, doc/refcard.tex,
* etc/README, etc/bench.pl.in, etc/local.mk,
* examples/calc++/calc++.test, examples/calc++/local.mk,
* examples/extexi, examples/local.mk, examples/mfcalc/local.mk,
* examples/mfcalc/mfcalc.test, examples/rpcalc/local.mk,
* examples/rpcalc/rpcalc.test, examples/test, examples/variant.yy,
* lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
* lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
* lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
* lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
* lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
* lib/local.mk, lib/main.c, lib/timevar.c, lib/timevar.def,
* lib/timevar.h, lib/vbitset.c, lib/vbitset.h, lib/yyerror.c,
* m4/bison-i18n.m4, m4/c-working.m4, m4/cxx.m4, m4/flex.m4,
* m4/timevar.m4, src/AnnotationList.c, src/AnnotationList.h,
* src/InadequacyList.c, src/InadequacyList.h, src/LR0.c, src/LR0.h,
* src/Sbitset.c, src/Sbitset.h, src/assoc.c, src/assoc.h,
* src/closure.c, src/closure.h, src/complain.c, src/complain.h,
* src/conflicts.c, src/conflicts.h, src/derives.c, src/derives.h,
* src/files.c, src/files.h, src/flex-scanner.h, src/getargs.c,
* src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c,
* src/graphviz.h, src/ielr.c, src/ielr.h, src/lalr.c, src/lalr.h,
* src/local.mk, src/location.c, src/location.h, src/main.c,
* src/muscle-tab.c, src/muscle-tab.h, src/named-ref.c,
* src/named-ref.h, src/nullable.c, src/nullable.h, src/output.c,
* src/output.h, src/parse-gram.c, src/parse-gram.y, src/print-xml.c,
* src/print-xml.h, src/print.c, src/print.h, src/print_graph.c,
* src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
* src/reduce.h, src/relation.c, src/relation.h, src/scan-code.h,
* src/scan-code.l, src/scan-gram.h, src/scan-gram.l, src/scan-skel.h,
* src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
* src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
* src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
* tests/actions.at, tests/atlocal.in, tests/bison.in, tests/c++.at,
* tests/calc.at, tests/conflicts.at, tests/cxx-type.at,
* tests/existing.at, tests/glr-regression.at, tests/headers.at,
* tests/input.at, tests/java.at, tests/javapush.at, tests/local.at,
* tests/local.mk, tests/named-refs.at, tests/output.at, tests/push.at,
* tests/reduce.at, tests/regression.at, tests/sets.at,
* tests/skeletons.at, tests/synclines.at, tests/testsuite.at,
* tests/torture.at, tests/types.at:
here.
 2014-02-03 15:27:02 +01:00
Akim Demaille
8d0b7cef7d parsers: rename YY_NULL as YY_NULLPTR to avoid conflicts with Flex 
Flex also defines YY_NULL (to 0).  Avoid gratuitous conflicts.

* data/c.m4 (b4_null_define): Rename YY_NULL as YY_NULLPTR.

* data/glr.c, data/lalr1.cc, data/location.cc, data/variant.hh,
* data/yacc.c, src/parse-gram.c, tests/actions.at, tests/c++.at,
* tests/cxx-type.at, tests/glr-regression.at, tests/headers.at,
* tests/push.at, tests/regression.at:
Adjust.
 2013-11-08 10:52:15 +01:00
Akim Demaille
7ba01e111c tests: enable -Wsign-compare and fix corresponding warnings 
-Wsign-compare was disabled for bison's own code, following gnulib's
approach.  However, the generated parsers should not trigger such
warnings.

Reported by Efi Fogel.
http://lists.gnu.org/archive/html/help-bison/2013-04/msg00018.html

See also http://stackoverflow.com/questions/16101062 for the weird
"-(unsigned)i" piece of code.

* configure.ac (warn_tests): Enable -Wsign-compare.
* data/location.cc (position::add_): New.
(position::lines, position::columns): Use it.
* tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): Fix signedness issues.
 2013-04-19 17:13:07 +02:00
Akim Demaille
75ae829984 c++: fix several issues with locations 
Reported by Daniel Frużyński.
http://lists.gnu.org/archive/html/bug-bison/2013-02/msg00000.html

* data/location.cc (position::columns, position::lines): Check for
underflow.
Fix some weird function signatures.
(location): Accept signed integers as arguments where appropriate.
Add operator- and operator+=.
* doc/bison.texi (C++ position, C++ location): Various fixes
and completion.
* tests/c++.at (C++ Locations): New tests.
 2013-04-11 12:50:59 +02:00
Akim Demaille
aedcb6c095 c++: display locations as C does 
See commit 3804aa260b.

* data/location.cc (operator<<): Display location exactly as is
done in C skeletons.
* tests/local.at (AT_LOC_PUSHDEF, AT_LOC_POPDEF): Also define
AT_FIRST_LINE, AT_LAST_LINE, AT_FIRST_COLUMN, AT_LAST_COLUMN.
* tests/actions.at (Location Print): Also check C++ skeletons.
 2013-01-25 16:35:52 +01:00
Akim Demaille
7d6bad1959 maint: update copyright years 
Suggested by Stefano Lattarini.
Run "make update-copyright".
 2013-01-12 16:14:16 +01:00
Akim Demaille
eaf690a700 skeletons: fix output directives 
* data/lalr1.cc, data/location.cc, data/glr.cc: Use b4_output_begin.
Broken during a merge.
 2012-12-19 11:29:51 +01:00
Theophile Ranquet
f3ead217b8 Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  misc: pacify the Tiny C Compiler
  cpp: make the check of Flex version portable
  misc: require getline
  c++: support wide strings for file names
  doc: document carets
  tests: enhance existing tests with carets
  errors: show carets
  getargs: add support for --flags/-f

Conflicts:
	doc/bison.texi
	m4/.gitignore
	src/complain.c
	src/flex-scanner.h
	src/getargs.c
	src/getargs.h
	src/gram.c
	src/main.c
	tests/headers.at
 2012-12-06 13:38:43 +01:00
Akim Demaille
7ae57e2a35 c++: support wide strings for file names 
Reported by Mark Boyall.
http://lists.gnu.org/archive/html/help-bison/2011-08/msg00002.html

* data/location.cc (operator<<): Be templated on the type of
output stream.
* tests/headers.at (Several parsers): Adjust.
 2012-12-05 13:22:21 +01:00
Akim Demaille
064e42b0ac Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  parser: accept #line NUM
  m4: use a safer pattern to enable/disable output
  tests: beware of gnulib's need for config.h
  gnulib: update
  yacc.c, glr.c: check and fix the display of locations
  formatting changes
  glr.c: remove stray macro

Conflicts:
	data/c.m4
	data/glr.cc
	data/lalr1.cc
	data/lalr1.java
	data/location.cc
	data/stack.hh
	data/yacc.c
	src/scan-gram.l
 2012-12-03 16:27:23 +01:00
Akim Demaille
1c7ec959b1 m4: use a safer pattern to enable/disable output 
Work on some other areas of Bison revealed that some macros expanded
to be expanded only once were actually expanded several times.  This
was due to the fact that changecom was not properly restored each
time, and macro names appearing in comments were then expanded.

Introduce begin/end macros which are easier to match that
changecom()/changecom(#).

* data/bison.m4 (b4_output_begin, b4_output_end): New.
* data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
* data/location.cc, data/stack.hh, data/yacc.c:
Use them.
 2012-12-03 15:44:40 +01:00
Akim Demaille
e42906f790 Merge remote-tracking branch 'origin/maint' 
* origin/maint: (24 commits)
  tests: calc: modernize the use of locations
  tests: remove useless location initializations
  lalr1.cc: always initialize yylval.
  tests: check that C and C++ objects can be linked together.
  yacc.c: also disable -Wuninitialized.
  glr.cc, yacc.c: initialize yylloc properly
  yacc.c, glr.c: a better YY_LOCATION_PRINT
  yacc.c: simplify initialization
  doc: formatting changes
  c++: fix position operator signatures
  tests: remove useless location initialization.
  tests: fix locations in C
  tests: handle %parse-param in the generated yyerror
  tests: simplifications
  grammars: fix display of nul character in error message
  tests: sort
  tests: cosmetic changes
  comment changes
  autoconf: update
  gnulib: update
  ...

Conflicts:
	data/lalr1.cc
	gnulib
	src/scan-gram.l
	submodules/autoconf
	tests/calc.at
 2012-11-06 18:30:16 +01:00
Akim Demaille
0e1ccdfae0 c++: fix position operator signatures 
* data/location.cc (operator+=, operator-=): Remove const from return
type.
 2012-11-05 13:13:19 +01:00
Akim Demaille
7aa15a0026 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.
 2012-10-22 12:16:32 +02:00
Theophile Ranquet
90b1335aed 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>
 2012-10-22 12:16:28 +02:00
Akim Demaille
2b45240d6c Merge branch 'maint' 
* origin/maint:
  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

Conflicts:
	NEWS
	data/location.cc
 2012-10-04 17:16:00 +02:00
Akim Demaille
ec78bdab6d 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.
 2012-10-04 11:42:26 +02:00
Theophile Ranquet
a2b3f10183 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>
 2012-10-03 16:03:06 +02:00
Akim Demaille
93549bcd43 lalr1.cc: location.hh and position.hh are not generated without %defines 
* data/location.cc (b4_position_define, b4_location_define): New.
(location.hh, position.hh): Generate only if %defines.
* data/lalr1.cc: therefore, define these classes when locations are
needed, but headers are not generated.
* tests/output.at: Check that these files are not generated.
* NEWS: Document.
 2012-07-31 11:33:46 +02:00
Akim Demaille
ccdc1577ef Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  tests: headers.at: strengthen.
  glr.cc: do not override C++ definitions by C macros.
  YYLLOC_DEFAULT: factor, and don't export it in headers.
  api.prefix: do not use #define to handle YYSTYPE_IS_TRIVIAL etc.
  tests: portability fixes.
  c++: fewer #includes in the headers.
  glr.cc: formatting changes.
  tests: more logs.
  api.prefix: also rename YYDEBUG.

Conflicts:
	data/c.m4
	data/glr.c
	data/glr.cc
	data/lalr1.cc
	data/yacc.c
 2012-07-04 17:34:57 +02:00
Akim Demaille
771dc64324 c++: fewer #includes in the headers. 
* data/lalr1.cc: Define YY_NULL in the *.cc file, it is not needed
in the header.
* data/location.cc: iosfwd suffices.
 2012-07-04 12:24:13 +02:00
Akim Demaille
c547693afd Merge tag 'v2.5.1_rc2' 
Bison 2.5.1_rc2.

* tag 'v2.5.1_rc2': (34 commits)
  Bison 2.5.1_rc2.
  doc: fixes.
  build: fix ChangeLog generation.
  c++: compute the header guards.
  skeletons: remove support for unused directive.
  lalr1.cc: improve Doxygen documentation.
  lalr1.cc: extract stack.hh.
  news: convert to double quotes.
  space changes.
  build: do not prototype flex-generated functions.
  build: fix ChangeLog generation.
  Bison 2.5.1_rc1.
  tests: save/restore Autotest special files when checking XML support.
  tests: AT_SAVE_SPECIAL_FILES / AT_RESTORE_SPECIAL_FILES.
  tests: honor TESTSUITEFLAGS in all the check targets.
  build: do not enable c++ warnings on 0 when nullptr is not supported.
  maint: update gnulib.
  build: config.in.h.
  build: move silent rules.
  glr.c: reduce variable scopes.
  maint: maintainer-release-check.
  maint: shush a syntax-check.
  maint: prefer "commit message" to "log entry".
  command line: fix minor leaks.
  maint: we no longer maintain the ChangeLog.
  maint: fix the generation of the synclines for bison's parser.
  maint: regen.
  maint: import the xmemdup0 gnulib module.
  maint: remove left-over gnulib modules.
  maint: ignore files imported by autopoint.
  build: AC_PROG_LEX: use more readable variable names.
  maint: regen src/parse-gram.[ch]
  maint: simplify parse-gram.y
  maint: s/strncpy/memcpy/, when equivalent

Conflicts:
	Makefile.am
	NEWS
	data/glr.c
	data/lalr1.cc
	data/stack.hh
	examples/rpcalc/local.mk
	src/flex-scanner.h
	src/getargs.c
	src/output.c
	src/parse-gram.c
	src/parse-gram.h
	src/parse-gram.y
	tests/Makefile.am
	tests/bison.in
 2012-05-24 13:54:55 +02:00
Akim Demaille
22172d4731 c++: compute the header guards. 
This is a frequent request.  Recently pointed out by Wei Song,
<http://lists.gnu.org/archive/html/help-bison/2012-05/msg00002.html>.

* data/c.m4 (b4_tocpp, b4_cpp_guard, b4_cpp_guard_open)
(b4_cpp_guard_close): New.
* data/lalr1.cc, data/location.cc, data/stack.hh: Use them.
* TODO (Header Guards): Move to...
* NEWS: here.
Formatting changes.
 2012-05-21 18:15:41 +02:00
Akim Demaille
03f1b545b9 lalr1.cc: improve Doxygen documentation. 
* data/location.cc: Qualify file names with directory name.
 2012-05-21 16:07:34 +02:00
Akim Demaille
3e75a2c92b Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  bump to 2012 in skeletons.
  build: remove ancient Autoconf tests.
  doc: c++: complete the location documentation.
  c++: locations: provide convenience constructors.
  c++: locations: remove useless "inline".
  glr: do not use locations when they are not requested
  c++: use nullptr for C++11.
  build: simplify and improve the compiler warnings for tests.
  gnulib: update.
  maint: formatting changes.
  NEWS: update.
  Java: Fix syntax error handling without error token.
  tests: beware of -pedantic on large #line numbers.
  tests: when using the C++ compiler, use its flags too.

Conflicts:
	data/glr.c
	data/glr.cc
	data/lalr1.cc
	data/location.cc
	data/yacc.c
	tests/Makefile.am
 2012-04-01 13:14:34 +02:00
Akim Demaille
681dda24ba bump to 2012 in skeletons. 
* data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
* data/location.cc, data/yacc.c: Bump copyright year ranges.
 2012-04-01 12:16:46 +02:00
Akim Demaille
936c88d178 doc: c++: complete the location documentation. 
* data/location.cc (position::initialize, location::initialize):
Also accept line and column, with default values.
* doc/bison.texinfo (C++ position, C++ location): New nodes.
Describe more thoroughly these classes.
Fix several Texinfo misuses.
 2012-03-31 12:30:10 +02:00
Akim Demaille
2091988f7e c++: locations: provide convenience constructors. 
* data/location.cc (position::position): Accept file, line and
column as arguments with default values.
Always qualify initial line and column literals as unsigned.
(location::location): Provide convenience constructors.
(cherry picked from commit 0634493cdd)

Conflicts:

	ChangeLog-2012
	data/location.cc
 2012-03-31 11:23:45 +02:00
Akim Demaille
2a1bd0d7fe c++: locations: remove useless "inline". 
* data/location.cc: "inline" is implicit when defining
methods in the class definition.
 2012-03-31 11:23:45 +02:00
Akim Demaille
ef51bfa744 c++: use nullptr for C++11. 
C++11 introduces "nullptr" which plays the role of C's NULL, in
replacement of "0".  Fix the C++ skeletons to avoid warnings about
uses of "0" in place of "nullptr", and improve C skeletons to also use
this "nullptr" when compiled with a C++11 compiler.

* configure.ac: More C++ warnings.
* NEWS (2.5.1): Document this.
* data/c++.m4, data/c.m4 (b4_null_define): New.
(b4_null): Use YY_NULL instead of 0.
* data/glr.c, data/lalr1.cc, data/location.cc, data/yacc.c:
Call b4_null_define/b4_null where appropriate.
Use YY_NULL instead of NULL.
* data/location.cc (initialize): Accept a default argument,
YY_NULL.
* tests/actions.at, tests/calc.at: Adjust.

* data/glr.c, lib/libiberty.h, src/system.h (__attribute__):
Do not disable it when __STRICT_ANSI__ is defined, as, for
instance, it disables the __attribute__((unused)) which
protects us from some compiler warnings.
This was already done elsewhere in Bison, in 2001, see
4a0d893695.
* tests/regression.at: Adjust output.
 2012-03-31 11:12:28 +02:00
Akim Demaille
c932d6135c maint: run "make update-copyright". 2012-01-13 11:48:14 +01:00
Jim Meyering
34136e65fc maint: run "make update-copyright". 2012-01-13 10:09:44 +01:00
Joel E. Denny
e969014232 global: remove unnecessary horizontal tabs. 
This change was made by applying emacs' untabify function to
nearly all files in Bison's repository.  Required tabs in make
files, ChangeLog, regexps, and test code were manually skipped.
Other notable exceptions and changes are listed below.
* bootstrap: Skip because we sync this with gnulib.
* data/m4sugar/foreach.m4
* data/m4sugar/m4sugar.m4: Skip because we sync these with
Autoconf.
* djgpp: Skip because I don't know how to test djgpp properly, and
this code appears to be unmaintained anyway.
* README-hacking (Hacking): Specify that tabs should be avoided
where not required.
 2011-07-24 18:13:05 -04:00