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223 Commits

Author SHA1 Message Date
Akim Demaille
465a47d46b parser: warn about string literals in Yacc mode 
* src/scan-gram.l (scan_integer): Warn.
* tests/input.at (Yacc warnings on symbols): Check.
 2018-12-14 05:10:31 +01:00
Akim Demaille
953a95695a parser: warn about hexadecimal token numbers in Yacc mode 
* src/scan-gram.l (scan_integer): Warn.
* tests/input.at (Yacc warnings on symbols): Check.
 2018-12-14 05:10:31 +01:00
Akim Demaille
aadf6c0bf3 parser: reprecate %nterm back 
After having spent quite some time on cleaning the handling of symbol
declarations in the grammar files, I believe we should keep it.

It looks like it's a duplicate of %type, but it is not.  While POSIX
Yacc requires %type to apply only to nonterminal symbols, it appears
that both byacc and bison accept it for tokens too.  And some
experienced users do actually expect this feature to group
symbols (terminal or not) by type ("On the other hand, it is generally
more useful IMHO to group terminals and non-terminals with the same
type tag together",
http://lists.gnu.org/archive/html/bug-bison/2018-10/msg00000.html).
Even Bison's own parser does this today (see CHAR).

Basically reverts 7928c3e6fb.

* src/scan-gram.l (%nterm): Dedeprecate, but issue a Wyacc warning.
* tests/input.at: Adjust expectations.
(Yacc warnings  on symbols): New.
* src/symtab.c (symbol_class_set): Fix error introduced in
20b0746793.
 2018-12-14 05:10:18 +01:00
Akim Demaille
d92ed9d9f7 diagnostics: complain about Bison directives when -Wyacc 
* src/complain.h, src/complain.c (bison_directive): New.
* src/scan-gram.l (BISON_DIRECTIVE): New.
Use it for Bison extensions.
 2018-11-29 06:16:20 +01:00
Akim Demaille
a52723e3e8 style: formatting changes 
* src/scan-gram.l: here.
 2018-11-13 07:46:08 +01:00
Akim Demaille
35b8e0e947 parser: deprecate %error-verbose 
It is unfortunate that %error_verbose was properly diagnosed as
obsoleted by "%define parse.error verbose", but %error-verbose was
not.

* src/parse-gram.y (%error-verbose): Remove support.
* src/scan-gram.l: Do it here instead, with a warning.
* tests/input.at (Deprecated directives): Check it.
 2018-11-12 07:41:46 +01:00
Akim Demaille
7928c3e6fb parser: deprecate %nterm 
It has several weaknesses.
Reported by Rici Lake.
http://lists.gnu.org/archive/html/bug-bison/2018-10/msg00000.html

* src/scan-gram.l: here.
 2018-11-12 07:28:20 +01:00
Akim Demaille
3ae81aa338 dogfooding: use api.value.type union 
* src/parse-gram.y (api.value.type): Set to union.
Replace occurrences of %union with explicit %types.
* src/scan-gram.l: Adjust yylval's field names.
(RETURN_VALUE): No longer needs the Field argument.
Use it more.
 2018-11-10 17:02:50 +01:00
Akim Demaille
eee37354b5 scanner: simplify use of gettext 
* src/scan-gram.l (unexpected_end): Leave the actual call to gettext
to the caller.
 2018-11-10 17:02:50 +01:00
Akim Demaille
be737c3dd6 style: clean up the scanner and parser 
* src/scan-gram.l: Formatting changes.
Add "missing" assertion for symmetry.
* src/parse-gram.y: Formatting changes.
 2018-11-10 17:02:50 +01:00
Josh Soref
75964cf0df spelling: incorrectly 2018-10-05 07:01:05 +02:00
Akim Demaille
9a5c688ae4 style: src: remove useless reference to 'int' in integral types 
* src/AnnotationList.c, src/AnnotationList.h, src/InadequacyList.h,
* src/closure.c, src/closure.h, src/gram.c, src/gram.h, src/ielr.c,
* src/location.c, src/output.c, src/reader.c, src/relation.c,
* src/scan-code.l, src/scan-gram.l, src/tables.c, src/tables.h:
Prefer 'unsigned' to 'unsigned int'.  Likewise for long and short.
 2018-08-14 06:15:41 +02:00
Akim Demaille
2e9e591889 Update copyright years 
Run `make update-copyright`.
 2018-05-12 18:18:41 +02:00
Akim Demaille
3209eb1c4c package: bump to 2015 
Which also requires:

* gnulib: Update.
 2015-01-04 17:49:13 +01:00
Akim Demaille
975bb56431 flex: don't trust YY_USER_INIT 
Reported by Bernd Edligner and others.

* src/scan-gram.l: here.
 2014-12-31 14:54:43 +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
071863b3d8 glr: allow spaces between "%?" and "{" in predicates 
Reported by Rici Lake.
http://lists.gnu.org/archive/html/bug-bison/2013-10/msg00004.html
http://stackoverflow.com/questions/19330171/

* src/scan-gram.l: Do not try to be too smart when diagnosing invalid
directives.
* tests/glr-regression.at (Predicates): New test.
 2013-10-16 15:51:25 +02:00
Akim Demaille
985d7177e8 parser: no longer use the "braceless" non-terminal 
The purpose of this symbol was only to factor function calls.  As a
result the actions were indeed simpler, but the grammar was somewhat
uselessly obfuscated.  Get rid of this symbol, but introduce functions
to simplify dependencies.

There is no (intended) changes of behavior here.

* src/parse-gram.y (strip_braces, translate_code(
(translate_code_braceless): New.
(braceless): Remove, use "{...}" instead, and one of the previous
functions depending on the context.
(STRING, "%{...%}", EPILOGUE): Declare as <code>, instead of <chars>,
the difference between both is useless (well, I couldn't make sense of
it, even after having read the initial commit that introduced them).
(%union): Remove the now useless "chars" type.
Adjust the printers.
* src/scan-gram.l: Adjust.
 2013-04-18 16:36:58 +02:00
Akim Demaille
cb8d8bb9b6 value type: accept "->" in type tags 
Provide a means to dereference pointers when defining tags.  One
example could be:

  %code requires
  {
    typedef struct ListElementType
    {
      union value
      {
        int intVal;
        float floatVal;
        char* charptrVal;
      } value;

      struct ListElementType* next;
    } ListElementType;
  }

  %union
  {
    ListElementType* list;
  }

  %token <list->value.charptrVal> STRING
  %token <list->value.intVal> INTEGER
  %token <list->value.floatVal> REAL
  %type <list> ElementList LiteralType

* src/scan-code.l, src/scan-gram.l: Accept "->" in tags.
* tests/types.at: Add more test cases to cover this case.
 2013-04-09 14:07:51 +02:00
Akim Demaille
e52ddf820b style: simplify the scanning of type tags 
* src/scan-gram.l: Remove the rule for simple tags: the "complex" case
subsumes it.  It was more efficient, but duplicated the code for a
negligible benefit.
 2013-04-09 14:07:51 +02:00
Akim Demaille
ae2b48f5c0 grammar: introduce %empty 
Provide a means to explicitly denote empty right-hand sides of rules:
instead of

  exp:  { ... }

allow

  exp: %empty { ... }

Make sure that %empty is properly used.

With help from Joel E. Denny and Gabriel Rassoul.
http://lists.gnu.org/archive/html/bison-patches/2013-01/msg00142.html

* src/reader.h, src/reader.c (grammar_current_rule_empty_set): New.
* src/parse-gram.y (%empty): New token.
Use it.
* src/scan-gram.l (%empty): Scan it.
* src/reader.c (grammar_rule_check): Check that %empty is properly used.
* tests/actions.at (Invalid uses of %empty, Valid uses of %empty): New.
 2013-02-18 10:01:27 +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
Theophile Ranquet
c1b2677ad0 scanner: reintroduce unput for missing end tokens 
Unput was no longer used since a POSIX-compatiblity issue with Flex 2.5.31,
which has been adressed in newer versions of Flex.  See this discussion:
<http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00029.html>

This partially reverts commit aa4180418f.

* src/scan-gram.l (unexpected_end): Here.
* tests/input.at: Adjust for new order of error reports.
 2012-12-27 17:57:03 +01:00
Akim Demaille
1dc927a7d4 diagnostics: factor the deprecated directive message 
* src/complain.h, src/complain.c (deprecated_directive): New.
* src/muscle-tab.c: Use it.
 2012-12-23 10:27:40 +01:00
Akim Demaille
b9278c7d17 Merge branch 'origin/maint' 
* origin/maint:
  maint: credit Wojciech Polak
  maint: post-release administrivia
  version 2.7
  yacc.c: scope reduction
  tests: C90 compliance
  fix C90 compliance
  glr.c: scope reduction
  gnulib: update

Conflicts:
	NEWS
	gnulib
	src/scan-gram.l
	src/system.h
 2012-12-14 13:58:04 +01:00
Akim Demaille
1127a75a72 fix C90 compliance 
* data/glr.c, src/graphviz.h, src/ielr.c, src/scan-gram.l,
* src/system.h, tests/actions.at, tests/glr-regression.at: Do not
use // comments.
Do not introduce variables after statements.
Provide "main" with a return value.
 2012-12-12 11:44:39 +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
03dbf629d5 parser: accept #line NUM 
* src/scan-gram.l (scanner): Accept '#line NUM'.
(handle_syncline): Adjust to the possible missing file name.
 2012-12-03 15:59:57 +01:00
Akim Demaille
c6b1772473 Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  yacc.c: always initialize yylloc
  scanner: issue a single error for groups of invalid characters
  tests: formatting changes
  doc: one of the fixes for an ambiguous grammar was ambiguous too
  doc: fix the dangling else with precedence directives
  doc: prefer "token" to TOKEN
  doc: formatting changes
  scanner: use explicit "ignore" statements

Conflicts:
	src/scan-gram.l
 2012-11-26 09:41:35 +01:00
Akim Demaille
68ac70bc7b scanner: issue a single error for groups of invalid characters 
* src/scan-gram.l: Scan groups of invalid characters together.
* tests/input.at, tests/named-refs.at: Adjust.
 2012-11-23 11:36:42 +01:00
Akim Demaille
96029914a6 scanner: use explicit "ignore" statements 
* src/scan-gram.l: here.
 2012-11-14 10:57:45 +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
95066e9208 grammars: fix display of nul character in error message 
Reported by Marc Mendiola.
http://lists.gnu.org/archive/html/help-bison/2012-10/msg00017.html

* gnulib: Update to get quote_mem.
* src/scan-gram.l: Use it.
* tests/input.at (Invalid inputs): Additional checks.
* tests/named-refs.at: Likewise.
 2012-11-01 16:14:14 +01:00
Theophile Ranquet
2062d72deb deprecation: issue warnings in scanner 
* src/parse-gram.y: Move the handling of (three) deprecated constructs ...
* src/scan-gram.l: ...Here, and issue warnings.
(DEPRECATED): New.
 2012-10-24 14:49:21 +00:00
Theophile Ranquet
bb8e56ff67 warnings: fusion of complain and complain_at 
These functions are very similar, and keeping them seperate makes
future improvements difficult, so merge them.

This impacts 89 calls.

* src/bootstrap.conf: Adjust.
* src/complain.c (complain, complain_at): Merge into...
(complain): this.
(complain_args): Adjust.
* src/complain.h, src/conflicts.c, src/files.c, src/getargs.c,
* src/gram.c, src/location.c, src/muscle-tab.c, src/parse-gram.y,
* src/reader.c, src/reduce.c, src/scan-code.l, src/scan-gram.l,
* src/scan-skel.l, src/symlist.c, src/symtab.c:
Adjust.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
 2012-10-01 14:15:47 +02:00
Akim Demaille
6b5a748937 Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  maint: remove useless file
  update files to ignore
  remove useless include
  use locale-indep. c_is* functions for parsing, not isspace, isprint etc
  gnulib: update
  --help: include a place to report translation issues
  tests: style changes
  tests: fix push-pull test
  yacc.c: style changes

Conflicts:
	src/system.h
 2012-09-04 18:51:55 +02:00
Jim Meyering
457bf91968 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.
 2012-09-03 19:45:03 +02:00
Victor Santet
6fb8b25619 warnings: factoring: complaints 
* src/complain.c (error_message): Accept warning categories (an integer) as
argument.
Location is a 'const location *' instead of 'location *'.
(ERROR_MESSAGE): Delete it.
* src/complain.c, src/complain.h (complains): New function.
(complain, complain_at, complain_at_indent): Generic functions for
complaints. Call 'complains'.
(warn_at, warn_at_indent, warn, yacc_at, midrule_value_at)
(fatal_at, fatal): Delete them. Adjust dependencies.
* src/complain.h (enum warnings): New fields 'complaint' and 'fatal'.
* bootstrap.conf (XGETTEXT_OPTIONS): Adjust.
 2012-06-28 17:18:45 +02:00
Akim Demaille
84526bf3d1 maint: don't use mbsr?chr. 
Basically, revert ba60c39547a445dee3e07920931b4d7a81843868's move to
mbs* functions, which was prompted by -DGNULIB_POSIXCHECK.  See
<http://lists.gnu.org/archive/html/bison-patches/2012-05/msg00052.html>
and following.

* bootstrap.conf: No longer ask for them.
* src/files.c, src/getargs.c, src/location.c,
* src/parse-gram.c, src/parse-gram.y, src/scan-gram.l,
* src/symtab.c: s/mbs(r?chr)/str$1/g.
 2012-06-05 17:55:24 +02:00
Akim Demaille
f0f62c8c4d maint: update gnulib. 
* gnulib: update.
	* src/scan-gram.l: Don't use the (former version of) STREQ.
 2012-03-09 08:28:31 +01:00
Akim Demaille
f518dbaf46 maint: use STREQ/STRNEQ. 
* doc/bison.texinfo: Space change.
	* src/system.h (STREQ, STRNEQ): New.
	* src/files.c, src/ielr.c, src/lalr.c, src/muscle-tab.c,
	* src/output.c, src/print.c, src/print_graph.c,
	* src/reader.c, src/scan-skel.l, src/tables.c,
	* src/uniqstr.c:
	Use them.
	* src/scan-gram.l: Do not use streq.h, use system.h's STREQ.
	* cfg.mk: The documentation is an exception.
 2012-02-23 19:13:45 +01:00
Akim Demaille
4c787a31df use a more consistent quoting style. 
See <http://lists.gnu.org/archive/html/bug-bison/2012-01/msg00120.html>.
Use quotearg as often as possible instead of leaving the choice of
the quotes to the translators.  Use shorter messages.  Factor similar
messages to a single format, to make localization easier.

	* src/files.c, src/getargs.c, src/muscle-tab.c, src/reader.c
	* src/scan-code.l, src/scan-gram.l, src/symtab.c:
	Use quote() or quotearg_colon() on printf arguments instead of
	quotes in the format string.
	* data/bison.m4: Keep sync with the changes in muscle-tab.c.

	* tests/skeletons.at, tests/input.at, tests/regression.at: Adjust
	expected messages.
(cherry picked from commit 4a9cd8f24a)

Conflicts:

	src/muscle-tab.c
 2012-02-08 11:40:41 +01:00
Akim Demaille
4a9cd8f24a use a more consistent quoting style. 
See <http://lists.gnu.org/archive/html/bug-bison/2012-01/msg00120.html>.
Use quotearg as often as possible instead of leaving the choice of
the quotes to the translators.  Use shorter messages.  Factor similar
messages to a single format, to make localization easier.

	* src/files.c, src/getargs.c, src/muscle-tab.c, src/reader.c
	* src/scan-code.l, src/scan-gram.l, src/symtab.c:
	Use quote() or quotearg_colon() on printf arguments instead of
	quotes in the format string.
	* data/bison.m4: Keep sync with the changes in muscle-tab.c.

	* tests/skeletons.at, tests/input.at, tests/regression.at: Adjust
	expected messages.
 2012-02-08 11:32:36 +01:00
Jim Meyering
9874f80b2e quote consistently and make tests pass with new quoting from gnulib 
Updating to gnulib pulled in new quote and quotarg modules,
by which quoting is now done like 'this' rather than `this'.
That change induces many "make check" test failures.  This change
adapts code and tests so that "make check" passes once again.
* src/scan-code.l: Quote like 'this', not like `this'.
* src/scan-gram.l: Likewise.
* src/symtab.c: Likewise.
* tests/actions.at: Adjust tests to match.
* tests/input.at: Likewise.
* tests/named-refs.at: Likewise.
* tests/output.at: Likewise.
* tests/regression.at: Likewise.
* lib/.gitignore: Regenerate.
* m4/.gitignore: Likewise.
(cherry picked from commit ae93e4e4b8)

Conflicts:

	src/scan-code.l
	src/scan-gram.l
	src/symtab.c
	tests/output.at
 2012-01-23 14:07:53 +01:00
Jim Meyering
ae93e4e4b8 quote consistently and make tests pass with new quoting from gnulib 
Updating to gnulib pulled in new quote and quotarg modules,
by which quoting is now done like 'this' rather than `this'.
That change induces many "make check" test failures.  This change
adapts code and tests so that "make check" passes once again.
* src/scan-code.l: Quote like 'this', not like `this'.
* src/scan-gram.l: Likewise.
* src/symtab.c: Likewise.
* tests/actions.at: Adjust tests to match.
* tests/input.at: Likewise.
* tests/named-refs.at: Likewise.
* tests/output.at: Likewise.
* tests/regression.at: Likewise.
* lib/.gitignore: Regenerate.
* m4/.gitignore: Likewise.
 2012-01-19 09:09:42 +01:00
Jim Meyering
da5462d42a maint: remove final trailing space 
* src/scan-gram.l (%): Remove single space at end of line.
 2012-01-19 06:56:34 +01:00
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
Joel E. Denny
84f6a6ca70 Don't use IF_LINT in Bison sources. 
It creates unnecessary differences between the sources that Bison
maintainers build and test (given that maintainers normally
configure with --enable-gcc-warnings) and the sources that Bison
users build.  Instead, use PACIFY_CC, which doesn't.  This change
fixes compiler warnings reported by Tys Lefering at
<http://lists.gnu.org/archive/html/bison-patches/2011-05/msg00004.html>.
* configure.ac: Don't AC_DEFINE lint regardless of the configure
options.  This change affects imported gnulib sources, where
IF_LINT still appears and depends on lint.
* src/scan-gram.l, src/scan-skel.l: Replace uses of IF_LINT with
PACIFY_CC.
* src/system.h (IF_LINT): Remove cpp macro.
(PACIFY_CC): New cpp macro.
(cherry picked from commit 77bb73e7af)

Conflicts:

	src/scan-gram.l
 2011-05-14 17:00:04 -04:00