+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (augment_automaton): Now that all states have shifts,
+ merge the two cases addition shifts to the initial state.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (set_state_table): Move to...
+ * src/LR0.c: here.
+ * src/lalr.c (lalr): Don't call it...
+ * src/LR0.c (generate_states): do it.
+ * src/LR0.h (first_state): Remove, only the table is used.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.h (first_shift, first_reduction): Remove.
+ * src/lalr.c: Don't use first_shift: find shifts through the
+ states.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c: Attach shifts to states as soon as they are
+ computed.
+ * src/lalr.c (set_state_table): Instead of assigning shifts to
+ state, just assert that the mapping was properly done.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (insert_start_shift): Rename as...
+ (insert_start_shifting_state): this.
+ (insert_eof_shifting_state, insert_accepting_state): New.
+ (augment_automaton): Adjust.
+ Better locality of the variables.
+ When looking if the start_symbol is shifted from the initial
+ state, using `while (... symbol != start_symbol ...)' sounds
+ better than `while (... symbol < start_symbol ...)': If fail
+ to see how the order between symbols could be relevant!
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/getargs.h: Don't declare `spec_name_prefix' and
+ `spec_file_prefix', declared by src/files.h.
+ * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
+ * src/muscle_tab.c (muscle_init): Default prefix to NULL.
+ * src/output.c (prepare): Adjust.
+ * src/reader.c (symbols_output): Likewise.
+ * src/vmsgetargs.c: Vaguely adjust, but who cares?
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/muscle_tab.c (muscle_init): NULL is a better default than
+ `"0"'.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (reader): Calling symbols_output once is enough.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ Now that states have a complete set of members, the linked list of
+ reductions is useless: just fill directly the state's reductions
+ member.
+
+ * src/state.h (struct reductions): Remove member `number' and
+ `next'.
+ * src/LR0.c (first_reduction, last_reduction): Remove.
+ (save_reductions): Don't link the new reductions, store them in
+ this_state.
+ * src/lalr.c (set_state_table): No need to attach reductions to
+ states, it's already done.
+ * src/output.c (output_actions): No longer free the shifts, then
+ the reductions, then the states: free all the states and their
+ members.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/options.c (OPTN, DRTV, BOTH): New.
+ (option_table): Use them.
+
+
+ * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
+ the job of system.h.
+ * src/options.c: Don't include stdio.h and xalloc.h for the same
+ reasons.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (output, prepare): Make sure the values of the
+ muscles `action' and `prologue' are 0-terminated.
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ Clean up GCC warnings.
+
+ * src/reader.c (copy_action): `buf' is not used.
+ (parse_skel_decl): Be static.
+ * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
+ * src/options.h (create_long_option_table): Have a real prototype.
+ * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
+ (hash_delete_at): Return const void *.
+ Adjust casts to preserve the const.
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ * configure.in: Require 2.52g.
+ M4 is not needed, but AUTOM4TE is.
+ * m4/m4.m4: Remove.
+ * tests/Makefile.am: Adjust.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ One structure for states is enough, even though theoretically
+ there are LR(0) states and LALR(1) states.
+
+ * src/lalr.h (state_t): Remove.
+ (state_table): Be state_t **, not state_t *.
+ * src/state.h (core, CORE_ALLOC): Rename as...
+ (state_t, STATE_ALLOC): this.
+ Add the LALR(1) members: shifts, reductions, errs.
+ * src/LR0.c (state_table): Rename as...
+ (state_hash): this, to avoid name clashes with the global
+ `state_table'.
+ * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
+ * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
+
+
+2001-12-10 Akim Demaille <akim@epita.fr>
+
+ Bison dumps core on bash.y.
+ Reported by Pascal Bart.
+
+ * src/warshall.c (bitmatrix_print): New.
+ (TC): Use it.
+ When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
+ j must be the outer loop.
+ * tests/regression.at (Broken Closure): New.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
+ its argument.
+ Reported by Peter Hámorský.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (err_table): Remove.
+ (resolve_sr_conflict): Adjust.
+ * src/lalr.h (state_t.reduction_table, state_t.shift_table):
+ Rename as...
+ (state_t.reductions, state_t.shifts): this.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_grammar_tables): No longer disable the
+ removal of useless rules via CPP but via `if (0)', so that the
+ compiler still check the code is valid.
+ For instance, it should have noticed `rline' no longer exists: use
+ the `line' member of rule_t.
+ * src/gram.c (dummy, rline): Remove, unused.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (pack_vector): Use assert, not berror.
+ * src/main.c (berror): Remove, unused.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ New experimental feature: if --verbose --trace output all the
+ items of a state, not only its kernel.
+
+ * src/print.c (print_core): If `trace_flag', then invoke closure
+ before outputting the items of the state (print_core is no longer
+ a correct name them).
+ (print_results): Invoke new_closure/free_closure if needed.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
+ * src/closure.c, src/closure.h (itemsetsize): Rename as...
+ (nitemset): for consistency with the rest of the project.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (print_closure): Improve.
+ (closure): Use it for printing input and output.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
+ indexed by nonterminals.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
+ what it was!).
+ * src/warshall.h: Remove accidental duplication of the content.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (set_fderives): De-obfuscate.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (print_firsts, print_fderives): De-obfuscate.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (set_firsts): De-obfuscate.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (action_row): De-obfuscate
+ using the good o' techniques: arrays not pointers, variable
+ locality, BITISSET, RESETBIT etc.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ Pessimize the code to simplify it: from now on, all the states
+ have a valid SHIFTS, which NSHIFTS is possibly 0.
+
+ * src/LR0.c (shifts_new): Be global and move to..
+ * src/state.c, src/state.h: here.
+ * src/conflicts, src/lalr.c, src/output.c, src/print.c,
+ * src/print_graph: Adjust.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
+ * src/conflicts.c: Use it.
+ Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
+ incorrectly ``simplified''.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
+ using the good o' techniques: arrays not pointers, variable
+ locality, BITISSET, RESETBIT etc.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/state.h (SHIFT_SYMBOL): New.
+ * src/conflicts.c: Use it to deobfuscate.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
+ (print_reductions): De-obfuscate using the good o' techniques:
+ arrays not pointers, variable locality, BITISSET.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (print_reductions): Arrays, not pointers.
+ Use BITISSET.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (print_reductions): Pessimize, but clarify.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (print_reductions): Improve variable locality.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (print_reductions): Pessimize, but clarify.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (print_reductions): Improve variable locality.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
+ * src/lalr.c: Use them.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (augment_automaton): Formatting changes.
+ Better variable locality.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (matrix_print): New.
+ (transpose): Use it.
+ Use arrays instead of pointers.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (maxrhs): Move to...
+ * src/gram.c, src/gram.h (ritem_longest_rhs): here.
+ * src/lalr.c (build_relations): Adjust.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (transpose): Free the memory allocated to the
+ argument, as it is replaced by the results by the unique caller.
+ (build_relations): Merely invoke transpose: it handles the memory
+ deallocation.
+ Improve variable locality.
+ Avoid variables used as mere abbreviations.
+ (compute_lookaheads): Use arrays instead of pointers.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (initialize_F): Improve variable locality.
+ Avoid variables used as mere abbreviations.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/derives.c (print_derives): Display the ruleno.
+ * src/lalr.c (initialize_F, transpose): Better variable locality
+ to improve readability.
+ Avoid variables used as mere abbreviations.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (traverse): Use arrays instead of pointers.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
+ the handling of squeue.
+ `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ Because useless nonterminals are now kept alive (instead of being
+ `destroyed'), we now sometimes examine them, and store information
+ related to them. Hence we need to know their number, and adjust
+ memory allocations.
+
+ * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
+ static.
+ * src/LR0.c (allocate_itemsets): The memory allocated to
+ `symbol_count' was used for two different purpose: once to count
+ the number of occurrences of each symbol, and later reassigned to
+ `shift_symbol', containing the symbol that can be shifted from a
+ given state.
+ Deobfuscate, i.e., allocate, use and free `symbol_count' here
+ only, and...
+ (new_itemsets): Allocate `shift_symbol' here.
+ (allocate_itemsets): symbol_count includes useless nonterminals.
+ Make room for them.
+ (free_storage): Use `free', not `XFREE', for pointers that cannot
+ be null.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/nullable.c (set_nullable): Deobfuscate the handling of
+ ritem.
+ `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
+
+2001-12-05 Akim Demaille <akim@epita.fr>
+
+ * src/gram.c, src/gram.h (ritem_print): New.
+ * src/gram.c (dummy): Remove, now there is actual code in gram.c.
+ (This useless function was defined only to work around VMS linkers
+ that can't handle compilation units with variables only).
+ * src/reduce.c (dump_grammar): Use it to trace the construction of
+ ritem.
+
+2001-12-04 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.simple (union yyalloc): Change member names
+ to be the same as the stack names.
+ (yyparse): yyptr is now union yyalloc *, not char *.
+ (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
+ and may generate better code on some machines.
+ (yystpcpy): Use prototype if __STDC__ is defined, not just
+ if __cplusplus is defined.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * configure.in (WARNING_CFLAGS): Add -Werror when possible.
+ (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
+ Gettext doesn't compile cleanly, and dies with -Werror.
+ * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
+ Include WARNING_CFLAGS here.
+ * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
+ before being defined.
+
+2001-11-27 Paul Eggert <eggert@twinsun.com>
+
+ * lib/quotearg.h (quotearg_n, quotearg_n_style):
+ First arg is int, not unsigned.
+ * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
+ (SIZE_MAX, UINT_MAX): New macros.
+ (quotearg_n_options): Abort if N is negative.
+ Avoid overflow check on hosts where size_t is 64 bits and int
+ is 32 bits, as overflow is impossible there.
+ Fix off-by-one typo that caused unnecessary reallocation.
+
+2001-11-29 Paul Eggert <eggert@twinsun.com>
+
+ Name space cleanup in generated parser.
+
+ * doc/bison.texinfo (Bison Parser): Discuss system headers
+ and their effect on the user name space.
+
+ * src/bison.simple:
+ (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
+ YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
+ i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
+
+ (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
+ on user names when possible.
+
+ (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
+ Simplify test for whather <alloca.h> exists.
+
+ (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
+
+ (<stdio.h>): Include if YYDEBUG.
+
+ (yymemcpy): Renamed from __yy_memcpy. Do not define unless
+ ! defined (yyoverflow) && ! defined (yymemcpy).
+
+ (yymemcpy, yyparse): Rename local variables as needed so that
+ they all begin with 'yy'.
+
+ (yystrlen, yystpcpy): New functions.
+
+ (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
+ All uses changed.
+
+ (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
+ instead of relying on string.h functions. Use YYSTACK_ALLOC
+ and YYSTACK_FREE instead of malloc and free.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
+ before their first uses.
+ (YYBISON, YYPURE): Move to the top of the output.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * tests/reduce.at (Useless Nonterminals): Fix.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
+ if body instead of `;' to pacify GCC's warnings.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ Instead of mapping the LHS of unused rules to -1, keep the LHS
+ valid, but flag the rules as invalid.
+
+ * src/gram.h (rule_t): `useful' is a new member.
+ * src/print.c (print_grammar): Adjust.
+ * src/derives.c (set_derives): Likewise.
+ * src/reader.c (packgram, reduce_output): Likewise.
+ * src/reduce.c (reduce_grammar_tables): Likewise.
+ * tests/reduce.at (Underivable Rules, Useless Rules): New.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_output): Formatting changes.
+ * src/print.c (print_results, print_grammar): Likewise.
+ * tests/regression.at (Rule Line Numbers)
+ (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (nonterminals_reduce): Instead of throwing away
+ useless nonterminals, move them at the end of the symbol arrays.
+ (reduce_output): Adjust.
+ * tests/reduce.at (Useless Nonterminals): Adjust.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c: Various comment/formatting changes.
+ (nonterminals_reduce): New, extracted from...
+ (reduce_grammar_tables): here.
+ (reduce_grammar): Call nonterminals_reduce.
+
+2001-11-29 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.simple (YYSTACK_REALLOC): Remove.
+ (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
+ (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
+ New macros.
+ (union yyalloc): New type.
+ (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
+ an arbitrary restriction on hosts where size_t is wider than int.
+
+ (yyparse): Don't dump core if alloca or malloc fails; instead, report
+ a parser stack overflow. Allocate just one block of memory for all
+ three stacks, instead of allocating three blocks; this typically is
+ faster and reduces fragmentation.
+
+ Do not limit the number of items in the stack to a value that fits
+ in 'int', as this is an arbitrary limit on hosts with 64-bit
+ size_t and 32-bit int.
+
+2001-11-29 Marc Autret <autret_m@epita.fr>
+
+ * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
+ of defining YYERROR_VERBOSE.
+ [AT_DATA]: $4 is now out of C declarations in the prologue.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/reader.c (parse_dquoted_param): New.
+ (parse_skel_decl): Use it.
+ * src/lex.h: Add its prototype.
+ * src/lex.c (literalchar): Become not static.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/output.h: And put its extern declaration here.
+ * src/output.c (error_verbose): Define here.
+ (prepare): Echo name modification.
+ * src/getargs.h: Clean its extern declaration.
+ * src/getargs.c (error_verbose_flag): Remove.
+ (getargs): Remove case 'e'.
+ * src/options.c (option_table): 'error-verbose' is now seen as simple
+ percent option.
+ Include output.h.
+
+ * src/reader.c (read_declarations): Remove case tok_include.
+ (parse_include_decl): Remove.
+ * src/lex.h (token_t): Remove tok_include.
+ * src/options.c (option_table): 'include' is now a simple command line
+ option.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple: Adjust muscle names.
+ * src/muscle_tab.c (muscle_init): Also rename the muscles.
+ * src/output.c (prepare): s/_/-/ for the muscles names.
+ (output_parser): When scanning for a muscle, allow '-' instead of '_'.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple: Fix debug.
+ [YYERROR_VERBOSE]: Re-integrate as an internal macro.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (shifts_new): New.
+ (save_shifts, insert_start_shift, augment_automaton): Use it.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): `b' and `ruleno' denote the same value:
+ keep ruleno only.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): Instead of looping over word in array
+ then bits in words, loop over bits in array.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): No longer optimize the special case
+ where all the bits of `ruleset[r]' are set to 0, to make the code
+ clearer.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): `r' and `c' are new variables, used to
+ de-obfuscate accesses to RULESET and CORE.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_print): Use ngettext.
+ (dump_grammar): Improve the trace accuracy.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (dump_grammar): Don't translate trace messages.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
+ * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
+ as all tags are free'ed afterwards.
+ From Enrico Scholz.
+
+2001-11-27 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
+ use alloca when we didn't want to, and vice versa.
+
+2001-11-27 Marc Autret <autret_m@epita.fr>
+
+ * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
+ initialization.
+ * src/output.c (prepare): Remove its update.
+
+2001-11-27 Marc Autret <autret_m@epita.fr>
+
+ * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
+ Use %error-verbose.
+
+2001-11-27 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple: Remove YYERROR_VERBOSE using.
+ Use %%error_verbose.
+ (yyparse): Likewise.
+ * src/output.c (prepare): Give its final value.
+ * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
+ * src/getargs.h: Add its extern declaration.
+ * src/getargs.c (error_verbose_flag): New int.
+ (getargs): Update to catch new case.
+ * src/options.c (option_table): 'error-verbose' is a new option.
+ (shortopts): Update.
+
+2001-11-27 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: Use intl/libgettext.h.
+ * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
+
+2001-11-27 Akim Demaille <akim@epita.fr>
+
+ * tests/torture.at (Exploding the Stack Size with Malloc):
+ s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
+
+2001-11-27 Akim Demaille <akim@epita.fr>
+
+ * src/files.c: Include error.h.
+ Reported by Hans Aberg.
+
+2001-11-26 Marc Autret <autret_m@epita.fr>
+
+ * src/reader.c (parse_include_decl): New, not yet implemented.
+ (read_declarations): Add case tok_include.
+ * src/getargs.h (include): Add its extern definition.
+ * src/getargs.c (include): New const char *.
+ (getargs): Add case '-I'.
+ * src/options.c (option_table): Add include as command line and
+ percent option.
+ * src/lex.h (token_t): Add tok_include.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (readgram): Make sure rules for mid-rule actions
+ have a lineno equal to that of their host rule.
+ Reported by Hans Aberg.
+ * tests/regression.at (Rule Line Numbers): New.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
+ size_ts.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/complain.c, src/complain.h (error): Remove, provided by
+ lib/error.[ch].
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (read_declarations): Don't abort on tok_illegal,
+ issue an error message.
+ * tests/regression.at (Invalid %directive): New.
+ Reported by Hans Aberg.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
+ * lib/Makefile.am (libbison_a_SOURCES): Adjust.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (conflicts_print): Don't complain at all when
+ there are no reduce/reduce conflicts, and as many shift/reduce
+ conflicts as expected.
+ * tests/regression.at (%expect right): Adjust.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * lib/alloca.c: Update, from fileutils.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: Include alloca.h.
+ * src/main.c (main) [C_ALLOCA]: Call alloca (0).
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * src/print_graph.c (print_actions): Remove `rule', unused.
+ * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
+ pacify GCC's signed < unsigned warnings.
+ * src/closure.c (itemsetsize): Likewise.
+ * src/reader.c (symbol_list_new): Static.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ Attaching lineno to buckets is stupid, since only one copy of each
+ symbol is kept, only the line of the first occurrence is kept too.
+
+ * src/symtab.h, src/symtab.c (bucket): Remove the line member.
+ * src/reader.c (rline_allocated): Remove, unused.
+ (symbol_list): Have a `line' member.
+ (symbol_list_new): New.
+ (readgram): Use it.
+ * src/print.c (print_grammar): Output the rule line numbers.
+ * tests/regression.at (Solved SR Conflicts)
+ (Unresolved SR Conflicts): Adjust.
+ Reported by Hans Aberg.
+
+2001-11-22 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
+
+2001-11-22 Marc Autret <autret_m@epita.fr>
+
+ * src/muscle_tab.c (muscle_init): Remove initialization of
+ skeleton muscle.
+ * src/output.c (output_master_parser): Do it here.
+
+2001-11-20 Akim Demaille <akim@epita.fr>
+
+ * po/sv.po: New.
+ * configure.in (ALL_LINGUAS): Adjust.
+ * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
+ longer contains strings to translate.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (conflicts_print): Add a missing \n.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/nullable.c (nullable_print): New.
+ (set_nullable): Call it when tracing.
+ Better locality of variables.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/print.c (print_actions): Better locality of variables.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/derives.c (print_derives): Fix and enrich.
+ * src/closure.c (print_fderives): Likewise.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (itemsetend): Remove, replaced with...
+ (itemsetsize): new.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (kernel_end): Remove, replaced with...
+ (kernel_size): new.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (set_conflicts): Use arrays instead of pointers
+ to clarify.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): Use arrays instead of pointers to clarify.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c, src/derives.c, src/nullable.c: Adjust various
+ trace messages.
+ * src/LR0.c: Likewise.
+ (allocate_itemsets): Use arrays instead of pointers to clarify.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/getargs.c (statistics_flag): Replace with...
+ (trace_flag): New.
+ (longopts): Accept --trace instead of --statistics.
+ * src/getargs.h, src/options.c: Adjust.
+ * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
+ * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
+ pointers to clarify the code.
+ (save_reductions, save_shifts): Factor common parts of alternatives.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_state, get_state): Complete TRACE code.
+ * src/closure.c: Include `reader.h' to get `tags', needed by the
+ trace code.
+ Rename the conditional DEBUG as TRACE.
+ Output consistently TRACEs to stderr, not stdout.
+ * src/derives.c: Likewise.
+ * src/reduce.c: (inaccessable_symbols): Using if is better style
+ than goto.
+ Use `#if TRACE' instead of `#if 0' for tracing code.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/system.h (LIST_FREE, shortcpy): New.
+ * src/LR0.c: Use them.
+ * src/output.c (free_itemsets, free_reductions, free_shifts):
+ Remove, replaced by LIST_FREE.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
+ (REDUCTIONS_ALLOC): New.
+ * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
+ allocation.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_state): Complete trace code.
+ * src/nullable.c (set_nullable): Don't translate traces.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/print_graph.c (print_core): Better locality of variables.
+ * src/print.c (print_core): Likewise.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/vcg.c: You do the output, so you are responsible of the
+ handling of VCG syntax, in particular: use quotearg.
+ * src/print_graph.c: Don't.
+ (print_actions): Don't output the actions as part of the nodes,
+ since that's the job of the edges.
+ (print_state): Don't output by hand: fill the node description,
+ and ask for its output.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (yyparse): When verbosely reporting an error,
+ no longer put additional quotes around token names.
+ * tests/calc.at: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
+ * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
+ * src/output.c: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
+ (rule_t): this.
+ * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (rule_t): New.
+ (rule_table): New.
+ (rrhs, rlhs): Remove, part of state_t.
+ * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
+ * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
+ * src/reader.c, src/reduce.c: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (symbols_output): New, extracted from...
+ (packsymbols): Here.
+ (reader): Call it.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
+ (maxrhs): this new function.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (F): New macro to access the variable F.
+ Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h (LA): New macro to access the variable LA.
+ * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
+ * src/lalr.c: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (initialize_LA): Only initialize LA. Let...
+ (set_state_table): handle the `lookaheads' members.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h (lookaheads): Removed array, whose contents is now
+ a member of...
+ (state_t): this structure.
+ * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
+ Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h (consistent): Removed array, whose contents is now
+ a member of...
+ (state_t): this structure.
+ * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
+ Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
+ contents are now members of...
+ (state_t): this structure.
+ * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
+ Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h (state_t): New.
+ (state_table): Be a state_t * instead of a core **.
+ (accessing_symbol): Remove, part of state_t.
+ * src/lalr.c: Adjust.
+ (set_accessing_symbol): Merge into...
+ (set_state_table): this.
+ * src/print_graph.c, src/conflicts.c: Adjust.
+
+2001-11-14 Akim Demaille <akim@epita.fr>
+
+ * tests/calc.at, tests/output.at, tests/regression.at,
+ * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
+ now the tests are run in private dirs, therefore AC_CLEANUP and
+ family can be simplified to 0-ary.
+ * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
+ use abs. path to find config.h.
+ * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
+ stderr, there can be way too much random noise.
+ Instead pass -Werror to GCC and rely on the exit status.
+ Reported by Wolfram Wagner.
+
+2001-11-14 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
+ defined only if yyoverflow is defined, to avoid `warning: unused
+ variable `yyvs1''.
+ Reported by The Test Suite.
+
+2001-11-14 Akim Demaille <akim@epita.fr>
+
+ * src/print.c: Include reduce.h.
+ Reported by Hans Aberg.
+
+2001-11-14 Akim Demaille <akim@epita.fr>
+
+ * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
+ Revert a previous patch: these are really const.
+ * src/conflicts.c (conflict_report): Additional useless pair of
+ braces to pacify GCC's warnings for `if () if () {} else {}'.
+ * src/lex.c (parse_percent_token): Replace equal_offset with
+ arg_offset.
+ arg is const.
+ Be sure to strdup `arg' when used, since there is no reason for
+ token_buffer not to change.
+
+2001-11-14 Akim Demaille <akim@epita.fr>
+
+ * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
+ definition.
+ * src/main.c (main): Use them.
+ Suggested by Hans Aberg.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * src/system.h (ngettext): Now that we use ngettext, be sure to
+ provide a default definition when NLS are not used.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
+ Use @kbd to denote user input.
+ (Language and Grammar): ANSIfy the example.
+ Adjust its layout for info/notinfo.
+ (Location Tracking Calc): Output error messages to stderr.
+ Output locations in a more GNUtically correct way.
+ Fix a couple of Englishos.
+ Adjust @group/@end group pairs.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ %expext was not functioning at all.
+
+ * src/conflicts.c (expected_conflicts): Set to -1.
+ (conflict_report): Use ngettext.
+ (conflicts_print): Check %expect and make its violation an error.
+ * doc/bison.texinfo (Expect Decl): Adjust.
+ * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
+ * tests/regression.at (%expect not enough, %expect right)
+ (%expect too much): New.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * tests/regression.at (Conflicts): Rename as...
+ (Unresolved SR Conflicts): this.
+ (Solved SR Conflicts): New.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (print_results): Rename as...
+ (reduce_output): This.
+ Output to OUT, passed as argument, instead of output_obstack.
+ (dump_grammar): Likewise.
+ (reduce_free): New.
+ Also free V1.
+ (reduce_grammar): No longer call reduce_output, since...
+ * src/print.c (print_results): do it.
+ * src/main.c (main): Call reduce_free;
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (print_reductions): Accept OUT as argument.
+ Output to it, not to output_obstack.
+ * src/print.c (print_actions): Adjust.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
+ the result instead of using...
+ (src_total, rrc_total, src_count, rrc_count): Remove.
+ (any_conflicts): Remove.
+ (print_conflicts): Split into...
+ (conflicts_print, conflicts_output): New.
+ * src/conflicts.h: Adjust.
+ * src/main.c (main): Invoke both conflicts_output and conflicts_print.
+ * src/print.c (print_grammar): Issue `\n' between two rules.
+ * tests/regression.at (Conflicts): New.
+ Reported by Tom Lane.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * tests/regression.at (Invalid input): Remove, duplicate with
+ ``Invalid input: 1''.
+
+2001-11-12 Akim Demaille <akim@epita.fr>
+
+ * tests/torture.at (AT_DATA_STACK_TORTURE)
+ (Exploding the Stack Size with Alloca)
+ (Exploding the Stack Size with Malloc): New.
+