+2009-10-04 Joel E. Denny <jdenny@clemson.edu>
+
+ tests: skip tests of file names that platform does not support.
+ Reported by Michael Raskin at
+ <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
+ * THANKS (Michael Raskin): Add.
+ * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix. Cygwin used
+ to fail at least for file names containing ":" or "\".
+
+2009-09-23 Joel E. Denny <jdenny@clemson.edu>
+
+ yysyntax_error: avoid duplicate lookahead collection.
+ Except when memory reallocation is required, this change
+ eliminates the need to invoke yysyntax_error twice and thus to
+ repeat the collection of lookaheads. It also prepares for
+ future extensions that will make those repetitions more
+ expensive and that will require additional memory management in
+ yysyntax_error. Finally, it fixes an obscure bug already
+ exercised in the test suite.
+ * data/yacc.c (yysyntax_error): Add arguments for message
+ buffer variables stored in the parser. Instead of size, return
+ status similar to yyparse status but indicating success of
+ message creation. Other than the actual reallocation of the
+ message buffer, import and clean up memory management code
+ from...
+ (yyparse, yypush_parse): ... here.
+ * tests/regression.at (%error-verbose overflow): No longer an
+ expected failure.
+
+2009-09-23 Joel E. Denny <jdenny@clemson.edu>
+
+ yysyntax_error: test memory management more.
+ * tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro.
+ * tests/regression.at (%error-verbose and YYSTACK_USE_ALLOCA):
+ New test group.
+ (%error-verbose overflow): New test group that reveals an
+ obscure bug. Expected fail for now.
+
+2008-12-11 Akim Demaille <demaille@gostai.com>
+
+ Pass the token type to yysyntax_error.
+ * data/yacc.c (yysyntax_error): Take the transated token instead
+ of the raw number.
+ Adjust callers.
+
+2008-12-11 Akim Demaille <demaille@gostai.com>
+
+ Simplify the i18n of the error messages.
+ * data/yacc.c (yysyntax_error): Rewrite, using a switch instead
+ of building dynamically the format string.
+
+2009-10-03 Joel E. Denny <jdenny@clemson.edu>
+
+ Remove dead code.
+ * src/symtab.c (symbol_pack): Here because every symbol's number
+ is always defined by this time.
+
+2009-10-03 Alex Rozenman <rozenman@gmail.com>
+
+ Add additional space after periods in NEWS.
+ * NEWS (2.5): here.
+
+2009-09-29 Joel E. Denny <jdenny@clemson.edu>
+
+ Use the correct conversion specifier for size_t.
+ Reported by Jim Meyering.
+ * src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu"
+ because Sbitset__Index is size_t.
+ * src/Sbitset.c (Sbitset__fprint): Use it instead of %d.
+
+2009-09-27 Joel E. Denny <jdenny@clemson.edu>
+
+ tests: don't abuse AT_BISON_CHECK.
+ * tests/regression.at (parse-gram.y: LALR = IELR): Move
+ additional shell commands outside of AT_BISON_CHECK.
+
+2009-09-26 Joel E. Denny <jdenny@clemson.edu>
+
+ tests: check that parse-gram.y's IELR and LALR are identical.
+ * tests/atlocal.in (abs_top_srcdir): New shell variable.
+ * tests/regression.at (parse-gram.y: LALR = IELR): New test
+ group.
+
+2009-09-16 Akim Demaille <demaille@gostai.com>
+
+ doc: comment changes.
+ * doc/bison.texinfo: Comment changes.
+
+2009-09-16 Akim Demaille <demaille@gostai.com>
+
+ doc: spell checking.
+ * doc/bison.texinfo: here.
+
+2009-09-19 Alex Rozenman <rozenman@gmail.com>
+
+ Keep sub-messages aligned. Fix strings for translation.
+ * src/location.h (location_print): Add return value.
+ * src/location.c (location_print): Return number of printed
+ characters.
+ * src/complain.h (complain_at_indent, warn_at_indent): Prototype
+ new functions.
+ * src/complain.cpp (indent_ptr): New static variable.
+ (error_message, complain_at_indent, warn_at_indent): Implement
+ the alignment mechanism.
+ * src/scan-code.l (parse_ref, show_sub_messages): Fix strings
+ for translations. Use new alignment mechanism.
+ * tests/named-ref.at: Adjust test-cases.
+ * NEWS (2.5): Add an announcement about named references.
+
+2009-09-13 Joel E. Denny <jdenny@clemson.edu>
+
+ tests: clean up push.at test group titles.
+ * tests/push.at: Remove "Push Parsing: " from test group titles
+ because these are already under the banner "Push Parsing Tests".
+
+2009-09-12 Alex Rozenman <rozenman@gmail.com>
+
+ Provide an additional sub-message for clarity.
+ Add "symbol not found in production" error message when
+ an "invalid reference" is detected in named references
+ resolution.
+ * src/scan-code.l: Update "invalid reference" case.
+ * tests/named-ref.at: Adjust test-cases.
+
+2009-09-10 Joel E. Denny <jdenny@clemson.edu>
+
+ Clean up yacc.c a little.
+ * data/yacc.c: Clean up M4 for readability, and make output
+ whitespace more consistent. For the main parse function
+ comment, instead of saying "yyparse or yypush_parse", say either
+ "yyparse" or "yypush_parse" depending on which it actually is.
+
+2009-09-03 Joel E. Denny <jdenny@clemson.edu>
+
+ Complain about unused %define variables and %code qualifiers.
+ * NEWS (2.5): Document.
+ * data/bison.m4 (b4_check_user_names): Complain instead of warn.
+ * doc/bison.texinfo (Decl Summary): Document complaint, and
+ improve %define documentation a little otherwise.
+ * tests/input.at (Reject unused %code qualifiers): Update.
+ (%define errors): Update.
+ (%define, --define, --force-define): Update.
+ (%define backward compatibility): Update.
+ (Unused %define api.pure): Update.
+ * tests/push.at (Push Parsing: Unsupported Skeletons): Update.
+
+2009-09-03 Joel E. Denny <jdenny@clemson.edu>
+
+ Use aver not assert.
+ * src/output.c: Don't include assert.h.
+ (output_skeleton): Use aver not assert.
+ * src/system.h (aver): In documentation of why, add links to
+ Paul Eggert's explanations in the mailing lists.
+
+2009-09-05 Alex Rozenman <rozenman@gmail.com>
+
+ Use "Unresolved reference" error message when no symbols were found
+ in a symbolic reference resolution. Remove .expr and -expr from
+ the shown reference when the reference is unresolved.
+ * src/scan-code.l: Change the error message, adjust location columns,
+ rename variable "exact_mode" to "explicit_bracketing".
+ * tests/named-ref.at: Adjust existing tests and add a new one.
+
+2009-09-03 Akim Demaille <demaille@gostai.com>
+
+ * NEWS (2.4.2): Add "Internationalization" item.
+
+2009-09-03 Akim Demaille <demaille@gostai.com>
+
+ bootstrap: fix/improve find_tool.
+ * bootstrap (find_tool): Improve error messages.
+ Fix typo about find_tool_names.
+
+2009-08-29 Joel E. Denny <jdenny@clemson.edu>
+
+ Fix gcc 3.4.4 shadowing warning reported by Eric Blake.
+ See
+ <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
+ * src/scan-code.h (code_props_rule_action_init): Rename
+ named_ref arg to name so it doesn't shadow named_ref type. This
+ makes it consistent with the function definition in scan-code.l
+ anyway.
+
+2009-08-28 Joel E. Denny <jdenny@clemson.edu>
+
+ %define: accept unquoted values.
+ * NEWS (2.5): Group all %define changes together, and document
+ this one. Remove quotes in IELR and canonical LR entry.
+ * doc/bison.texinfo: Remove quotes in most examples throughout.
+ (Decl Summary): Update %define documentation.
+ (Table of Symbols): Likewise.
+ * src/ielr.c (LrType): Update documentation.
+ * src/parse-gram.y (content.opt): Add production for ID.
+ * tests/calc.at: Remove quotes in most tests.
+ * tests/existing.at: Likewise.
+ * tests/input.at: Likewise.
+ * tests/local.at: Likewise.
+ * tests/push.at: Likewise.
+ * tests/reduce.at: Likewise.
+ * tests/torture.at: Likewise.
+
+2009-08-28 Joel E. Denny <jdenny@clemson.edu>
+
+ %define lr.type: make values lowercase IDs.
+ That is, "LALR" => "lalr", "IELR" => "ielr", and
+ "canonical LR" => "canonical-lr".
+ * NEWS (2.5): Update documentation.
+ * doc/bison.texinfo (Decl Summary): Likewise.
+ * src/ielr.c (ielr): Use new values.
+ * src/ielr.h (ielr): Update documentation.
+ * src/reader.c (prepare_percent_define_front_end_variables): Use
+ and validate new values.
+ * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
+ grammars.
+ * tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
+
+2009-08-27 Eric Blake <ebb9@byu.net>
+
+ scan-gram: avoid portability trap with ctype usage.
+ * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
+ Avoid compiler warning.
+
+2009-08-27 Joel E. Denny <jdenny@clemson.edu>
+
+ tests: use perl for printing special sequences to files.
+ And skip tests if perl is not available. This is better than
+ playing tricks with shell portability. Suggested by Akim
+ Demaille.
+ * tests/input.at (Bad character literals): Use it here for
+ omitting final newlines.
+ (Bad escapes in literals): Use it here for special characters.
+
+2009-08-26 Joel E. Denny <jdenny@clemson.edu>
+
+ tests: show a use of %define lr.default-reductions "consistent"
+ * tests/conflicts.at (%nonassoc and eof): Extend to test that it
+ prevents the omission of expected tokens for %error-verbose.
+
+2009-08-26 Akim Demaille <demaille@gostai.com>
+
+ tests: portability fix.
+ * tests/input.at (Bad escapes in literals): Don't expect "echo
+ '\0'" to output \ then 0.
+
+2009-08-26 Joel E. Denny <jdenny@clemson.edu>
+
+ Actually handle the yytable zero value correctly this time.
+ * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Don't
+ mention zero values in the YYTABLE comments.
+ * data/glr.c (yytable_value_is_error): Don't check for zero
+ value.
+ * data/lalr1.cc (yy_table_value_is_error_): Likewise.
+ * data/yacc.c (yytable_value_is_error): Likewise.
+ * data/lalr1.java (yy_table_value_is_error_): Likewise.
+ (yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
+ * src/tables.h: In header comments, explain why it's useless to
+ check for a zero value in yytable.
+
+2009-08-25 Joel E. Denny <jdenny@clemson.edu>
+
+ More fixes related to last two patches.
+ * data/c.m4 (b4_table_value_equals): Comment that YYID must be
+ defined.
+ * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Fix
+ yytable comments: zero indicates syntax error not default
+ action.
+ * data/glr.c (yyis_pact_ninf): Rename to...
+ (yypact_value_is_default): ... this.
+ (yyisDefaultedState): Update for rename.
+ (yyis_table_ninf): Rename to...
+ (yytable_value_is_error): ... this, and check for value zero
+ besides just YYTABLE_NINF.
+ (yygetLRActions): Check for default value from yypact. It
+ appears that this check is always performed before this function
+ is invoked, and so adding the check here is probably redundant.
+ However, the code may evolve after this subtlety is forgotten.
+ Also, update for rename to yytable_value_is_error. Because that
+ macro now checks for zero, a different but equivalent branch of
+ the if-then-else here is evaluated.
+ (yyreportSyntaxError): Update for rename to
+ yytable_value_is_error. The zero condition was mishandled
+ before.
+ (yyrecoverSyntaxError): Update for renames. No behavioral
+ changes.
+ * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
+ New function.
+ (yy_table_value_is_error_): New function.
+ (parse): Use new functions where possible. No behavioral
+ changes.
+ (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
+ The zero condition was mishandled before.
+ * data/yacc.c (yyis_pact_ninf): Rename to...
+ (yypact_value_is_default): ... this.
+ (yyis_table_ninf): Rename to...
+ (yytable_value_is_error): ... this, and check for value zero
+ besides just YYTABLE_NINF.
+ (yysyntax_error): Update for rename to yytable_value_is_error.
+ The zero condition was mishandled before.
+ (yyparse): Update for renames. No behavioral changes.
+ * src/tables.h: Improve comments about yypact, yytable, etc.
+ more. Most importantly, say yytable value of zero means syntax
+ error not default action.
+
+2009-08-25 Joel E. Denny <jdenny@clemson.edu>
+
+ Fix %error-verbose for conflicts resolved by %nonassoc.
+ * NEWS (2.5): Document.
+ * data/glr.c (yyreportSyntaxError): Fix this by checking
+ yyis_table_ninf.
+ * data/yacc.c (yysyntax_error): Likewise.
+ * data/lalr1.cc (yysyntax_error_): Fix this by checking
+ yytable_ninf_.
+ * data/lalr1.java (yysyntax_error): Likewise.
+ * tests/conflicts.at (%nonassoc and eof): Update expected output
+ and remove FIXME.
+
+2009-08-25 Joel E. Denny <jdenny@clemson.edu>
+
+ Some code and documentation improvements.
+ * data/c.m4 (b4_table_value_equals): New macro to capture
+ some repeated code.
+ * data/glr.c (yyis_pact_ninf): Use it here.
+ (yyis_table_ninf): Likewise.
+ (yyreportSyntaxError): Improve internal comments.
+ * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
+ Use it everywhere possible.
+ (yyis_table_ninf): Likewise.
+ (yysyntax_error): Improve internal comments.
+ * data/lalr1.cc (yysyntax_error_): Likewise.
+ * data/lalr1.java (yysyntax_error): Likewise.
+ * src/tables.h: Improve comments about yypact, yytable, etc.
+
+2009-08-21 Joel E. Denny <jdenny@clemson.edu>
+
+ Use locale when quoting.
+ * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
+ quote rather than implementing quoting here.
+
+2009-08-20 Eric Blake <ebb9@byu.net>
+
+ Make previous patch more robust.
+ * src/output.c (ARRAY_CARDINALITY): New macro, copied from
+ argmatch.h.
+ (output_skeleton): Use it.
+ Suggested by Akim Demaille.
+
+ Import latest m4/m4.m4.
+ * submodules/autoconf: Update to autoconf 2.64.
+ * configure.ac (M4_GNU_OPTION): New define.
+ * src/output.c (output_skeleton): Use it to resolve FIXME.
+ * NEWS: Mention this.
+
+2009-08-19 Joel E. Denny <jdenny@clemson.edu>
+
+ Fix complaints about escape sequences.
+ Discussed starting at
+ <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
+ * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
+ For a \0 and similar escape sequences meaning the null
+ character, report an invalid escape sequence instead of an
+ invalid null character because the latter does not actually
+ appear in the user's input.
+ In all escape sequence complaints, don't escape the initial
+ backslash, and don't quote when the sequence appears at the end
+ of the complaint line unless there's whitespace that quotearg
+ won't escape.
+ Consistently say "invalid" not "unrecognized".
+ Consistently prefer "empty character literal" over "extra
+ characters in character literal" warning for invalid escape
+ sequences; that is, consistently discard those sequences.
+ * tests/input.at (Bad escapes in literals): New.
+
+2009-08-19 Akim Demaille <demaille@gostai.com>
+
+ doc: fixes.
+ * doc/bison.texinfo: Fix minor Texinfo errors.
+
+2009-08-19 Akim Demaille <demaille@gostai.com>
+
+ doc: %initial-action to initialize yylloc.
+ Reported by Bill Allombert.
+ * doc/bison.texinfo: Set fill-column to 76.
+ (Location Type): Document the use of %initial-action to initialize
+ yylloc.
+
+2009-08-18 Joel E. Denny <jdenny@clemson.edu>
+
+ maint: update for gnulib's recent update-copyright changes
+ * gnulib: Update.
+ * .x-update-copyright (COPYING): Add as it's no longer implied
+ when .x-update-copyright is present.
+ * cfg.mk (update-copyright-local): Remove, now ignored.
+ (update-copyright): Declare update-b4-copyright as a dependency.
+
+2009-08-17 Akim Demaille <demaille@gostai.com>
+
+ build: require gettext 0.17.
+
+ Suggested by Bruno Haible.
+ http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
+ * configure.ac: require gettext 0.17 to ensure compatibility with
+ gnulib.
+
+2009-08-17 Akim Demaille <demaille@gostai.com>
+
+ build: lower gettext requirements.
+
+ Bison was uselessly requiring the formatstring macros from
+ gettext, which resulted in mo files not being installed on systems
+ that perfectly supported Bison mo files. Lower the requirement.
+ http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
+
+ * configure.ac: Require need-ngettext instead of
+ need-formatstring-macros.
+ Reported by Martin Jabocs.
+ Suggested by Bruno Haible.
+ * INSTALL: Restructure.
+ (Internationalization): New.
+
+2009-08-14 Joel E. Denny <jdenny@clemson.edu>
+
+ maint: fix use of copyright year intervals.
+ * gnulib: Update.
+ * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
+ as now recommended in gnulib/NEWS.
+ * build-aux/update-b4-copyright: Fix.
+ * cfg.mk (update-copyright-env): Configure update-copyright.
+
+2009-08-13 Joel E. Denny <jdenny@clemson.edu>
+
+ Make it easier to write deterministic tests.
+ Continues Akim's work from his 2009-06-10 commits.
+ * src/reader.c (check_and_convert_grammar): Don't add any
+ symbols after the first symbols_do invocation.
+ * src/symtab.c (symbols_sorted): New static global.
+ (user_token_number_redeclaration): Update comments.
+ (symbol_from_uniqstr): If a new symbol is being created, assert
+ that symbols_sorted hasn't been allocated yet.
+ (symbols_free): Free symbols_sorted.
+ (symbols_cmp, symbols_cmp_qsort): New functions.
+ (symbols_do): Sort symbol_table into symbols_sorted on first
+ invocation.
+ * tests/input.at (Numbered tokens): Recombine tests now that the
+ output should be deterministic across multiple numbers.
+
+2009-08-12 Akim Demaille <demaille@gostai.com>
+
+ distcheck: fix.
+
+ * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
+
+2009-08-10 Joel E. Denny <jdenny@clemson.edu>
+
+ * tests/Makefile.am (TESTSUITE_AT): Add named-refs.at.
+
+2009-08-10 Joel E. Denny <jdenny@clemson.edu>
+
+ Miscellaneous code readability improvements.
+
+ * src/reader.c (reader): Move %define front-end variable
+ defaults and checking into...
+ (prepare_percent_define_front_end_variables): ... this new
+ function.
+
+ * src/scan-gram.l (INITIAL): For consistency with string
+ literals, don't store open quote on character literal. It's
+ discarded before returning anyway.
+ (SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
+ Make length test more readable, and make the character stored
+ for an empty literal more obvious while consistent with the
+ previous behavior.
+
+ * src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
+ USER_NUMBER_HAS_STRING_ALIAS throughout.
+ * src/symtab.c (symbol_make_alias): Remove comment from symtab.c
+ that is repeated in symtab.h. Improve argument names to make it
+ clear which side of the symbol-string alias pair is which.
+ (symbol_check_alias_consistency): Improve local variable names
+ for the same purpose.
+ * src/symtab.h (struct symbol): Make comments about aliases
+ clearer.
+ (symbol_make_alias): Improve comments and argument name.
+ * src/output.c (token_definitions_output): Update for rename to
+ USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
+
+2009-08-08 Alex Rozenman <rozenman@gmail.com>
+
+ Convert "misleading reference" messages to warnings.
+ * src/scan-code.l: New function 'show_sub_messages', more
+ factoring.
+ * tests/named-ref.at: Adjust tests.
+
+2009-08-06 Joel E. Denny <jdenny@clemson.edu>
+
+ maint: run "make update-copyright"
+
+2009-08-06 Joel E. Denny <jdenny@clemson.edu>
+
+ maint: make update-b4-copyright easier to use
+ * build-aux/update-b4-copyright: In warnings, report line
+ numbers rather than character positions.
+ * cfg.mk (update-copyright-local): Set to update-b4-copyright so
+ that update-copyright runs it.
+ * gnulib: Update.
+
2009-08-05 Joel E. Denny <jdenny@clemson.edu>
maint: clean up update-b4-copyright code
2009-05-25 Akim Demaille <demaille@gostai.com>
gnulib: update.
- * gnulib: Update to latest.
- * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
- * m4/.gitignore: Regen.
- * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
- Call xalloc_die on hash_insert failures.
- Requested by the new __warn_unused_result__ attribute of
- hash_insert.
+ * gnulib: Update to latest.
+ * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
+ * m4/.gitignore: Regen.
+ * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
+ Call xalloc_die on hash_insert failures.
+ Requested by the new __warn_unused_result__ attribute of
+ hash_insert.
2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
projects / bison.git / blobdiff