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243 Commits

Author SHA1 Message Date
Akim Demaille
f443673450 yacc.c: add support for parse.error detailed 
"detailed" error messages are almost like "verbose", except that we
don't double escape them, they don't get inner quotes, we don't use
yytnamerr, and we hide the table.

"custom" is exposed with the "detailed" tokens, not the "verbose"
ones: they are not double-quoted.

Because there's a risk that some people use yytname even without
"verbose", let's keep yytname (instead of yys_name) in "simple"
parse.error.

* src/output.c (prepare_symbol_names): Be ready to output symbol names
unquoted.
(prepare_symbol_names): Output both the old tname table, and the new
symbol_names one.
* data/skeletons/bison.m4: Accept 'detailed'.
* data/skeletons/yacc.c: When parse.error is 'detailed', don't emit
yytname and yytnamerr, just yysymbol_name with the table inside.
* tests/calc.at: Adjust.
 2020-01-19 14:51:14 +01:00
Akim Demaille
1854429e40 yacc.c: pass the parse-params to yyreport_syntax_error 
Enhance the calculator tests: show that passing arguments to yyerror
works.

* tests/calc.at: Add a new parse-param, nerrs, which counts the number
of syntax errors in a run.
* tests/local.at: Adjust to handle the new 'nerrs' argument, when
present.

The custom error reporting function show sees the user's additional
arguments.  Let's experiment with passing them as arguments to
yyreport_syntax_error, but maybe storing them in the context would be
a bettter alternative.

* data/skeletons/yacc.c (yyreport_syntax_error): Handle the
parse-params.
* tests/calc.at, tests/local.at: Adjust.
 2020-01-17 06:49:59 +01:00
Akim Demaille
cece227f95 tests: a clearer test for parse-params 
Currently the parse-params are tested in calc.at by checking that the
global variable and the parse-params have the same value.  But it does
not check that value, that could remain being 0 just as well.

* tests/calc.at: Don't define the params when they are not used.
Check the final value of result and count.
Also, do count the number of line of logs.
 2020-01-17 06:49:59 +01:00
Akim Demaille
e83077c617 yacc.c: check custom error messages with parse-params 
* tests/calc.at: Check with prefix and parse-params.
 2020-01-17 06:49:59 +01:00
Akim Demaille
fd33cc9c8b yacc.c: let custom error messages see the location 
* data/skeletons/yacc.c (yyparse_context_t): Add yylloc when
applicable.
(yyparse_context_location): New.
* tests/local.at (AT_YYERROR_DEFINE(c)): Handle the location.
* tests/calc.at: Check it.
 2020-01-17 06:49:59 +01:00
Akim Demaille
ee97f37cb4 tests: compute verbose error messages from the custom ones 
We use a different format to check parse.error custom.  Compute the
"verbose" one from it instead of forcing the test author to provide
the various formats of expected error messages.

* tests/calc.at (_AT_CHECK_CALC_ERROR): Handle this transformation
when needed.
Simplify callers.
 2020-01-17 06:49:59 +01:00
Akim Demaille
68ef3a0466 yacc.c: check custom error messages 
* tests/local.at (AT_ERROR_CUSTOM_IF, AT_ERROR_VERBOSE_IF)
(AT_ERROR_SIMPLE_IF): New.
(AT_YYERROR_DEFINE(c)): Generate yyreport_syntax_error.
* tests/calc.at (_AT_CHECK_CALC_ERROR): Accept custom error messages
as additional test case.
Use it.
Add a new test case for %define parse.error custom.
 2020-01-17 06:49:59 +01:00
Akim Demaille
975be86ccc style: avoid redundancy in the tests 
* tests/local.at (m4_rpatsubst): New.
Use it to handle %parse-params.
* tests/calc.at: Use %parse-params with several arguments.
 2020-01-15 06:22:19 +01:00
Akim Demaille
8036635251 package: bump copyrights to 2020 
Run 'make update-copyright'.
 2020-01-05 10:26:35 +01:00
Akim Demaille
c483b6593f tests: refactor the handling of Perl 
Let's make a difference between places where Perl is required for the
test (AT_PERL_REQUIRE), and the places where it's used to run the
test, but it's not not to run the test (AT_PERL_CHECK).

* tests/local.at (AT_REQUIRE): New.
(AT_PERL_CHECK, AT_PERL_REQUIRE): New.
Use them where appropriate.

* tests/local.mk ($(TESTSUITE)): Beware not to start the line with
'-pi' if Perl is empty, as Make understands this as "it's ok to fail".
Which it is not.
 2019-10-13 09:22:05 +02:00
Akim Demaille
0c56c195e0 tests: be really robust to Perl missing 
My previous tests (with ./configure PERL=false) have been fooled by
configure, that managed to find perl anyway.  This time, I ran this on
a Fedora in Docker, without Perl.

* tests/calc.at, tests/diagnostics.at, tests/headers.at,
* tests/input.at, tests/local.at, tests/named-refs.at,
* tests/output.at, tests/regression.at, tests/skeletons.at,
* tests/synclines.at, tests/torture.at: Don't require Perl.
 2019-10-11 06:53:45 +02:00
Akim Demaille
92124d27c1 d: remove useless imports 
* examples/d/calc.y, tests/calc.at: here.
 2019-08-29 07:26:33 -05:00
Akim Demaille
63f4dca78f tests: restructure for clarity 
* tests/calc.at (AT_CALC_MAIN, AT_CALC_LEX): Rewrite on top of
AT_LANG_DISPATCH.
 2019-06-23 19:26:13 +02:00
Akim Demaille
0984f70e08 d: track locations 
* configure.ac (DCFLAGS): Pass -g.
* data/skeletons/d.m4 (b4_locations_if): Remove, let bison.m4's one do
its job.
* data/skeletons/lalr1.d (position): Leave filename empty by default.
(position::toString): Don't print empty file names.
(location::this): New ctor.
(location::toString): Match the implementations of C/C++.
(yy_semantic_null): Leave undefined, the previous implementation does
not compile.
* tests/calc.at: Improve the implementation for D.
Enable more checks, in particular using locations.
* tests/local.at (AT_YYERROR_DEFINE(d)): Fix its implementation.
 2019-06-23 11:20:18 +02:00
Akim Demaille
66ac4acc6c java: style changes 
* data/skeletons/lalr1.java: Use more conventional function names for
Java.
Prefer < and <= to => and >.
Use the same approach for m4 quotation as in the other skeletons.
Fix indentation issues.

* tests/calc.at, tests/java.at, tests/javapush.at: Fix quotation style.
(main): Use 'args', not 'argv', the former seems more conventional and
is used elsewhere in Bison.
Prefer character literals to integers to denote characters.
* examples/java/Calc.y: Likewise.
 2019-06-19 19:15:26 +02:00
Akim Demaille
dfef525920 tests: remove useless support of '.' in integers 
* tests/calc.at: here.
* doc/bison.texi: Avoid uninitialized variables.
 2019-06-04 08:36:43 +02:00
Akim Demaille
9260e5ca4f api.location.type: support it in C 
Reported by Balázs Scheidler.

* data/skeletons/c.m4 (b4_location_type_define): Use api.location.type
if defined.
* doc/bison.texi: Document it.
* tests/local.at (AT_C_IF, AT_LANG_CASE): New.
Support Span in C.
* tests/calc.at (Span): Convert it to be usable in C and C++.
Check api.location.type with yacc.c and glr.c.
 2019-04-25 20:20:59 +02:00
Akim Demaille
e50eedf3c5 style: formatting changes 
* tests/actions.at, tests/calc.at, tests/input.at: here.
 2019-04-19 20:16:32 +02:00
Akim Demaille
2f3d9717ee tests: remove useless feature 
* tests/calc.at (read_signed_integer): Rename as...
(read_integer): this.
We never read signs here.
 2019-04-17 08:50:22 +02:00
Akim Demaille
0f193d2d21 no-lines: avoid leaving an empty line instead of the syncline 
Currently, with --no-lines, instead of "#line file line\n", we emit
"\n".  Let's emit nothing.

* data/skeletons/bison.m4 (b4_syncline): Emit at end-of-line when enabled.
* data/skeletons/bison.m4, data/skeletons/c.m4, data/skeletons/glr.cc,
* data/skeletons/lalr1.cc, src/output.c: Use dnl after b4_syncline to
avoid spurious empty lines.

* tests/synclines.at (Sync Lines): Make sure that --no-lines is like
grep -v #line.
* tests/calc.at: Make sure that a rich grammar file behaves properly
with %no-lines.
 2019-04-03 19:20:39 +02:00
Akim Demaille
225bc5836a d: tests: use more a natural approach for the scanner 
See f8408562f8.

* tests/calc.at: Stop imitating the C API.
Prepare more tests to run in the future.
%verbose works as expected (what a surprise, it's unrelated to the
skeleton...).
 2019-03-17 16:43:36 +01:00
Akim Demaille
8eac78f8ef d: tests: use fewer global variables 
* tests/calc.at: Move 'input' into the scanner.
 2019-03-01 21:56:06 +01:00
Akim Demaille
b12f9c76e2 dlang: initial changes to run the calc tests on it 
* configure.ac (DCFLAGS): Define.
* tests/atlocal.in: Receive it.
* data/skeletons/d.m4 (api.parser.class): Remove spurious YY.
* data/skeletons/lalr1.d (yylex): Return an int instead of a
YYTokenType, so that we can use characters as tokens.
* examples/d/calc.y: Adjust.
* tests/local.at: Initial support for D.
(AT_D_IF, AT_DATA_GRAMMAR(D), AT_YYERROR_DECLARE(d))
(AT_YYERROR_DECLARE_EXTERN(d), AT_YYERROR_DEFINE(d))
(AT_MAIN_DEFINE(d), AT_COMPILE_D, AT_LANG_COMPILE(d), AT_LANG_EXT(d)):
New.
* tests/calc.at: Initial support for D.
* tests/headers.at
 2019-02-26 18:27:13 +01:00
Akim Demaille
a11c144609 tests: simplify AT_PARSER_CHECK usage 
Currently the caller must specify the ./ prefix to its command.  Let's
avoid that: it will be nicer to read, make it easier to have a version
that works for Java and C/C++.

* tests/local.at (AT_PARSER_CHECK): Prefix the command with ./.
Adjust callers.
 2019-02-21 17:46:11 +01:00
Akim Demaille
2471733f1a package: bump copyrights to 2019 2019-01-05 14:58:05 +01:00
Akim Demaille
eb2b5aef0a style: clean tests 
* tests/named-refs.at: here.
 2019-01-05 10:15:33 +01:00
Akim Demaille
b90675e67a clearly deprecate %name-prefix 
* src/scan-gram.l (%name-prefix): Issue a deprecation warning.

* tests/calc.at, tests/headers.at, tests/input.at, tests/java.at,
* tests/javapush.at, tests/local.at: Adjust expectations.
Or disable -Wdeprecated.

* doc/bison.texi: Document that %name-prefix is replaced by %define
api.prefix.
 2019-01-03 09:03:33 +01:00
Akim Demaille
7938ab53ff c++: check several parsers in the same program 
* tests/local.at (AT_LOCATION_TYPE_IF): Turn into...
(AT_LOCATION_TYPE_SPAN_IF): this.
Adjust dependencies.
* tests/headers.at (Several parsers): Add another C++ parser,
which uses the first C++ parser's locations.
 2018-12-27 18:22:33 +01:00
Akim Demaille
f15382f7d7 d: add an example 
* examples/d/calc.test, examples/d/calc.y, examples/d/local.mk:
 2018-12-04 20:43:01 +01:00
Akim Demaille
098f5084a0 tests: rename AT_SKEL_CC_IF/AT_SKEL_JAVA_IF as AT_CXX_IF/AT_JAVA_IF 
The previous name is too obscure, and the other macros for C++ use
CXX, not CC.

* tests/local.at (AT_SKEL_CC_IF, AT_SKEL_JAVA_IF): Rename as...
(AT_CXX_IF, AT_JAVA_IF): these.
Adjust callers.
 2018-10-21 08:28:47 +02:00
Akim Demaille
e7b709ab0b %printer: promote yyo rather than yyoutput 
* doc/bison.texi: Promote yyo rather than yyoutput.

* data/c.m4, data/glr.cc, tests/types.at, tests/calc.at,
tests/regression.at: Adjust.
 2018-10-20 19:03:01 +02:00
Akim Demaille
01898726e2 generate the default semantic action 
Currently, in C, the default semantic action is implemented by being
always run before running the actual user semantic action.  As a
consequence, when the user action is run, $$ is already set as $1.

In C++ with variants, we don't do that, since we cannot manipulate the
semantic value without knowing its exact type.  When variants are
enabled, the only guarantee is that $$ is default contructed and ready
to the used.

Some users still would like the default action to be run with
variants.  Frank Heckenbach's parser in
C++17 (http://lists.gnu.org/archive/html/bug-bison/2018-04/msg00011.html)
provides this feature, but relying on std::variant's dynamic typing,
which we forbid in lalr1.cc.

The simplest seems to be actually generating the default semantic
action (in all languages/skeletons).  This makes the pre-action (that
sets $$ to $1) useless.  But...  maybe some users depend on this, in
spite of the comments that clearly warn againt this.  So let's not
turn this off just yet.

* src/reader.c (grammar_rule_check_and_complete): Rename as...
(grammar_rule_check_and_complete): this.
Install the default semantic action when applicable.
* examples/variant-11.yy, examples/variant.yy, tests/calc.at:
Exercise the default semantic action, even with variants.
 2018-10-14 18:53:21 +02:00
Akim Demaille
57d69b04b2 c++: when api.location.file is defined, don't generate stack.hh 
Make it easier to have fewer files.

* data/stack.hh: Don't generate stack.hh when api.location.file is
specified.
* tests/calc++.at, tests/output.at: Adjust tests.
 2018-10-06 17:17:25 +02:00
Akim Demaille
29b1da4e18 c++: make stack.hh completely useless 
Let's completely deprecate stack.hh.  Don't provide a means to give it
a new name, allow only its removal.

See https://lists.gnu.org/archive/html/bison-patches/2018-09/msg00151.html
and https://lists.gnu.org/archive/html/bison-patches/2018-09/msg00182.html.

* data/stack.hh: Reduce stack.hh to a simple comment explaining how to
get rid of it.
* data/lalr1.cc: Adjust
* tests/input.at (%define file variables): Adjust.
* tests/output.at: Remove cases where stack.hh was removed.
 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
b122a71c83 c++: provide control over the stack.hh file name 
It was not a good idea to generate the file stack.hh.  It never was.
But now we have to deal with backward compatibility: if we stop
generating it, the build system of some build system will probably
break.

So offer the user a means to (i) decide what the name of the output
file should be, and (ii) not generate this file at all (its content
will be inline where the parser is defined).

* data/lalr1.cc (b4_percent_define_check_file_complain)
(b4_percent_define_check_file): New.
* data/stack.hh: Generate the file only if api.stack.file is not
empty.
In that case, use it as file name.
* data/lalr1.cc: Adjust to include the right file, or to include
the definition of stack.
* tests/calc.at, tests/output.at: Exercise api.stack.file.
 2018-10-06 17:17:25 +02:00
Akim Demaille
53bde230c6 style: tests: factor file extension computations 
* tests/local.at (AT_LANG_HDR): New.
* tests/calc.at, tests/headers.at, tests/synclines.at: Use it, and
AT_LANG_EXT.
 2018-10-06 17:16:54 +02:00
Josh Soref
6cdd3287dd spelling: succesful 2018-10-05 07:01:05 +02:00
Akim Demaille
bb5603c2f0 tests: fix variable naming convention 
Most of our variables for C++ flags are named FOO_CXXFLAGS, not
CXXFLAGS_FOO.

* configure.ac, tests/atlocal.in, tests/calc.at
(NO_EXCEPTIONS_CXXFLAGS): Rename as...
(CXXFLAGS_NO_EXCEPTIONS): this.
 2018-09-06 21:28:24 +02:00
Akim Demaille
44e76d801f lalr1.cc: support compilation with disabled support for exceptions 
Reported by Brooks Moses <bmoses@google.com>
http://lists.gnu.org/archive/html/bison-patches/2018-02/msg00000.html

* data/lalr1.cc (YY_EXCEPTIONS): New.
Use it to disable try/catch clauses.

* doc/bison.texi (C++ Parser Interface): Document it.

* configure.ac (CXXFLAGS_NO_EXCEPTIONS): New.
* tests/atlocal.in: Receive it.
* tests/local.at (AT_FULL_COMPILE, AT_LANG_COMPILE):
Accept a new argument, extra compiler flags.
* tests/calc.at: Run the C++ calculator with exception support disabled.
 2018-08-19 17:47:59 +02:00
Akim Demaille
45ca5043ce tests: avoid compiler warnings 
* tests/calc.at (AT_CALC_MAIN): Declare yyparse and operator<< in an
unnamed namespace to avoid "not declared" warnings (clang
-Weverything).
Remove useless prototypes.
 2018-08-15 19:21:17 +02:00
Akim Demaille
2e9e591889 Update copyright years 
Run `make update-copyright`.
 2018-05-12 18:18:41 +02:00
Akim Demaille
a2c525b34c build: re-enable compiler warnings, and fix them 
There are warnings (-Wextra) in generated C++ code:

  ltlparse.cc: In member function 'ltlyy::parser::symbol_number_type
  ltlyy::parser::by_state::type_get() const':
  ltlparse.cc:452:33: warning: enumeral and non-enumeral type in
  conditional expression
      return state == empty_state ? empty_symbol : yystos_[state];

Reported by Alexandre Duret-Lutz.

It turns out that -Wall and -Wextra were disabled because of a stupid
typo.

* configure.ac: Fix the stupid typo.
* data/lalr1.cc, src/AnnotationList.c, src/InadequacyList.c,
* src/ielr.c, src/print.c, src/scan-code.l, src/symlist.c,
* src/symlist.h, src/symtab.c, src/tables.c, tests/actions.at,
* tests/calc.at, tests/cxx-type.at, tests/glr-regression.at,
* tests/named-refs.at, tests/torture.at:
Fix warnings, mostly issues about variables used only with assertions,
which are disabled with -DNDEBUG.
 2015-01-23 07:52:50 +01:00
Akim Demaille
3209eb1c4c package: bump to 2015 
Which also requires:

* gnulib: Update.
 2015-01-04 17:49:13 +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
6ce4b4ff1b muscle: check more cases of %define variables with code values 
* data/bison.m4 (b4_percent_define_check_kind): Fix overquotation.
(api.location.type, api.position.type): Check they have code values here.
* data/c++.m4 (api.location.type): No longer checked here.
(parser_class_name): Check it here.
* data/java.m4 (api.value.type, init_throws, lex_throws, parser_class_name)
(throws, annotations, extends, implements): Check they have code values.
* doc/bison.texi: Fix every incorrect occurrence of %define.
Document the additional syntax for %define: code values.
Document the additional syntax for -D/-F: string and code values.
* tests/calc.at, tests/headers.at, tests/input.at, tests/java.at,
* tests/local.at: Fix dependencies.
 2013-04-18 17:19:30 +02:00
Akim Demaille
aba47f5624 muscle: check the kind of api.prefix, api.location.type 
* data/bison.m4: Check api.prefix.
* data/c++.m4: Check api.location.type.
* doc/bison.texi: Fix uses of api.value.type, api.prefix, api.location.type.
Document {...} values for %define.
* src/parse-gram.y: Fix use of api.prefix.
* tests/calc.at: Fix uses of api.location.type.
* tests/input.at: Check api.prefix, and api.location.type.
 2013-04-16 17:42:43 +02:00
Akim Demaille
bb4b189b9c muscle: minor simplification which uncovers a missing warning 
* src/muscle-tab.c (muscle_percent_define_ensure): Discover the virtues
of || to factor conditionals.
* NEWS: As api.pure is no longer flagged as "used" by accident,
we now have warnings for useless definitions.
* tests/calc.at: So remove api.pure settings when running C++ tests,
since C++ skeletons use a pure interface.
 2013-04-15 10:50:30 +02:00
Akim Demaille
630a021850 api.token.prefix: use code values 
* data/bison.m4: Remove useless (and incorrect: m4_* instead of b4_*)
default assignment to api.token.prefix.
Check that api.token.prefix is assigned code.
* tests/input.at (%define code variables): New test.
* NEWS, doc/bison.texi, tests/c++.at, tests/calc.at,
* tests/java.at, tests/local.at: Adjust to use braces.
 2013-04-11 15:54:46 +02:00
Akim Demaille
4c9b8f1318 style: no longer use backquotes 
* tests/actions.at, tests/atlocal.in, tests/c++.at, tests/calc.at,
* tests/conflicts.at, tests/existing.at, tests/glr-regression.at,
* tests/input.at, tests/java.at, tests/local.at, tests/sets.at,
* tests/synclines.at, doc/bison.texi, lib/libiberty.h, lib/timevar.h:
Use single quotes.
 2013-02-18 10:01:28 +01:00