Tests are running without -O since
f377f69fec 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.
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.
* 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.
* 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.
* 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.
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.
* 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.
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.
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.
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>
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>
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>
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>
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>
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>
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>
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>
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.
* 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.
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.
* 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.
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.
