]> git.saurik.com Git - bison.git/blobdiff - ChangeLog
* configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
[bison.git] / ChangeLog
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+2002-09-13  Akim Demaille  <akim@epita.fr>
+
+       * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
+       * Makefile.am (AUTOMAKE_OPTIONS): Don't.
+
+2002-09-13  Akim Demaille  <akim@epita.fr>
+
+       * configure.ac: Require 2.54.
+       s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
+       s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
+       * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
+       Remove, provided by Autoconf macros.
+
+2002-09-12  Akim Demaille  <akim@epita.fr>
+
+       * m4/prereq.m4: Update, from Coreutils 4.5.1.
+
+2002-09-12  Akim Demaille  <akim@epita.fr>
+
+       * m4/prereq.m4: Update, from Fileutils 4.1.5.
+       * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
+       Reported by Martin Mokrejs.
+
+2002-09-10  Akim Demaille  <akim@epita.fr>
+
+       * src/parse-gram.y: Associate a human readable string to each
+       token type.
+       * tests/regression.at (Invalid inputs): Adjust.
+
+2002-09-10  Gary V. Vaughan  <gary@gnu.org>
+
+       * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
+       with an Autoconf-2.5x style configure.ac.
+
+2002-09-06  Paul Eggert  <eggert@twinsun.com>
+
+       * doc/bison.texinfo (Conditions): Make explicit that the GPL
+       exception applies only to yacc.c.  This is a modification of a
+       patch originally suggested by Akim Demaille.
+
+2002-09-06  Akim Demaille  <akim@epita.fr>
+
+       * data/c.m4 (b4_copyright): Move the GPL exception comment from
+       here to...
+       * data/yacc.c: here.
+
+       * data/lalr1.cc (struct yyltype): Don't define it, since we use
+       LocationType.
+       (b4_ltype): Default to yy::Location from location.hh.
+
+2002-09-04  Jim Meyering  <jim@meyering.net>
+
+       * data/yacc.c: Guard the declaration of yytoknum also with
+       `#ifdef YYPRINT', so it is declared only when used.
+
+2002-09-04  Akim Demaille  <akim@epita.fr>
+
+       * configure.in: Rename as...
+       * configure.ac: this.
+       Bump to 1.49c.
+
+2002-09-04  Akim Demaille  <akim@epita.fr>
+
+       * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
+       * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
+       translate maintainer only messages.
+
+2002-08-12  Paul Eggert  <eggert@twinsun.com>
+
+       Version 1.49b.
+
+       * Makefile.am (SUBDIRS): Remove intl.
+       (DISTCLEANFILES): Remove.
+       * NEWS: Mention that GNU M4 is now required.  Clarify what is
+       meant by "larger grammars".  Mention the pt_BR translation.
+       * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
+       (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
+       Bump version from 0.11.2 to 0.11.5.
+       (BISON_PREREQ_STAGE): Remove.
+       (AM_GNU_GETTEXT): Use external gettext.
+       (AC_OUTPUT): Remove intl/Makefile.
+
+       * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
+
+       * data/glr.c: Include string.h, for strlen.
+       (yyreportParseError): Use size_t for yysize.
+       (yy_yypstack): No longer nested inside yypstates, as nested
+       functions are not portable.  Do not assume size_t is the
+       same width as int.
+       (yypstates): Do not assume that ptrdiff_t is the same width
+       as int, and similarly for yyposn and YYINDEX.
+
+       * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
+
+       * lib/Makefile.am (INCLUDES): Do not include from the intl
+       directory, which has been removed.
+       * src/Makefile.am (INCLUDES): Likewise.
+
+       * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
+       (bitsets_sources, additional_bitsets_sources, timevars_sources):
+       New vars.
+
+       * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
+       * tests/Makefile.am (EXTRA_DIST): Likewise.
+
+       * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
+       Do not assume that bitset_windex is the same width as unsigned.
+
+       * lib/abitset.c (abitset_unused_clear): Do not assume that
+       bitset_word is the same width as int.
+       * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
+       * lib/bitset.h (bitset_set, bitset_reset): Likewise.
+       * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
+       * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
+       * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
+
+       * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
+       portability to one's complement hosts!).
+       * lib/ebitset.c (ebitset_op1): Likewise.
+       * lib/lbitset.c (lbitset_op1): Likewise.
+
+       * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
+       * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
+       lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
+       Sync with fileutils.
+       * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
+       lib/gettext.h: Sync with diffutils.
+
+       * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
+       lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
+
+       * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
+       PROTOTYPES to check for prototypes, and "defined __STDC__" to
+       check for void *.
+
+       * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
+       size_t; the old version tried to do this but casted improperly.
+       (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
+       (bitset_test): Now returns int, not unsigned long.
+
+       * lib/bitset_stats.c: Include "gettext.h".
+       (_): New macro.
+       (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
+       name locals "index", as it generates unnecessary warnings on some
+       hosts that have an "index" function.
+
+       * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
+       bitset_stats_read, bitset_stats_write): Wrap strings in _() if
+       they need translation.
+       * src/LR0.c (state_list_append, new_itemsets, get_state,
+       append_states, generate_states): Likewise.
+       * src/assoc.c (assoc_to_string): Likewise.
+       * src/closure.c (print_closure, set_firsts, closure): Likewise.
+       * src/gram.c (grammar_dump): Likewise.
+       * src/injections.c (injections_compute): Likewise.
+       * src/lalr.c (lookaheads_print): Likewise.
+       * src/relation.c (relation_transpose): Likewise.
+       * src/scan-gram.l: Likewise.
+       * src/tables.c (table_grow, pack_vector): Likewise.
+
+       * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
+       glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
+       * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
+       * m4/mbstate_t.m4: Sync with fileutils.
+       * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
+
+       * po/LINGUAS: Add pt_BR.
+       * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
+       src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
+       lib/timevar.c.
+       Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
+       manual recommends.
+       Similarly, use src/scan-gram.l instead of src/scan-gram.c.
+
+       * src/complain.c (strerror_r): Remove decl; not needed.
+       (strerror): Use same pattern as ../lib/error.c.
+
+       * src/files.c, src/files.h (compute_header_macro): Remove; unused.
+
+       * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
+
+       * src/main.c (main): Cast result of bindtextdomain and textdomain
+       to void, to avoid a GCC warning when --disable-nls is in effect.
+
+       * src/scan-gram.l: Use strings rather than escapes when possible,
+       to minimize the number of warnings from xgettext.
+       (handle_action_dollar, handle_action_at): Don't use isdigit,
+       as it mishandles negative chars and it may not work as expected
+       outside the C locale.
+
+       * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
+       this is a GCC extension and is not portable to other compilers.
+
+       * src/system.h (alloca): Use same pattern as ../lib/error.c.
+       Do not include <ctype.h>; no longer needed.
+       Do not include <malloc.h>; no longer needed (and generates
+       warnings on OpenBSD 3.0).
+
+       * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
+       it's not portable.
+
+       * tests/regression.at: Do not use 'cc -c input.c -o input';
+       Sun C rejects this.  Instead, use 'cc -c input.c -o input.o'.
+
+       * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
+       exit status as failure, not just exit status 1.  Sun C exits
+       with status 2 sometimes.
+
+       * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
+       Use it for the two large tests.
+
+2002-08-02  Akim Demaille  <akim@epita.fr>
+
+       * src/conflicts.c (conflicts_output): Don't output rules never
+       reduced here, since anyway that computation doesn't work.
+       * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
+       (rule_useless_p, rule_never_reduced_p): New.
+       (grammar_rules_partial_print): Use a filter instead of a range.
+       Display the title only if needed.
+       (grammar_rules_print): Adjust.
+       (grammar_rules_never_reduced_report): New.
+       * src/tables.c (action_row): Move the computation of rules never
+       reduced to...
+       (token_actions): here.
+       * src/main.c (main): Make the parser before making the report, so
+       that rules never reduced are computed.
+       Call grammar_rules_never_reduced_report.
+       * src/print.c (print_results): Report rules never reduced.
+       * tests/conflicts.at, tests/reduce.at: Adjust.
+
+2002-08-01  Akim Demaille  <akim@epita.fr>
+
+       Instead of attaching lookaheads and duplicating the rules being
+       reduced by a state, attach the lookaheads to the reductions.
+
+       * src/state.h (state_t): Remove the `lookaheads',
+       `lookaheads_rule' member.
+       (reductions_t): Add a `lookaheads' member.
+       Use a regular array for the `rules'.
+       * src/state.c (reductions_new): Initialize the lookaheads member
+       to 0.
+       (state_rule_lookaheads_print): Adjust.
+       * src/state.h, src/state.c (state_reductions_find): New.
+       * src/conflicts.c (resolve_sr_conflict, set_conflicts)
+       (count_rr_conflicts): Adjust.
+       * src/lalr.c (LArule): Remove.
+       (add_lookback_edge): Adjust.
+       (state_lookaheads_count): New.
+       (states_lookaheads_initialize): Merge into...
+       (initialize_LA): this.
+       (lalr_free): Adjust.
+       * src/main.c (main): Don't free nullable and derives too early: it
+       is used by --verbose.
+       * src/print.c, src/print_graph.c, src/tables.c: Adjust.
+
+2002-08-01  Akim Demaille  <akim@epita.fr>
+
+       * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
+       `rule_number_t**'.
+       (set_derives, free_derives): Rename as...
+       (derives_compute, derives_free): this.
+       Adjust all dependencies.
+       * src/nullable.c (set_nullable, free_nullable): Rename as...
+       (nullable_compute, nullable_free): these.
+       (rule_list_t): Store rule_t *, not rule_number_t.
+       * src/state.c (state_rule_lookaheads_print): Directly compare rule
+       pointers, instead of their numbers.
+       * src/main.c (main): Call nullable_free, and derives_free earlier,
+       as they were lo longer used.
+
+2002-08-01  Akim Demaille  <akim@epita.fr>
+
+       * lib/timevar.c (get_time): Include children time.
+       * src/lalr.h (LA, LArule): Don't export them: used with the
+       state_t.
+       * src/lalr.c (LA, LArule): Static.
+       * src/lalr.h, src/lalr.c (lalr_free): New.
+       * src/main.c (main): Call it.
+       * src/tables.c (pack_vector): Check whether loc is >= to the
+       table_size, not >.
+       (pack_tables): Don't free froms, tos, conflict_tos, and pos...
+       (tables_generate): do it, since that's also it which allocates
+       them.
+       Don't free LA and LArule, main does.
+
+2002-07-31  Akim Demaille  <akim@epita.fr>
+
+       Separate parser tables computation and output.
+
+       * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
+       (conflict_list, conflict_list_cnt, table, check, table_ninf)
+       (yydefgoto, yydefact, high): Move to...
+       * src/tables.h, src/tables.c: here.
+       * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
+       (VECTOR_NUMBER_MIN, state_number_to_vector_number)
+       (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
+       (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
+       (ACTION_MIN, actrow, order, nentries, pos, conflrow)
+       (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
+       (action_row, save_row, token_actions, save_column, default_goto)
+       (goto_actions, sort_actions, matching_state, pack_vector)
+       (table_ninf_remap, pack_table, prepare_actions): Move to...
+       * src/tables.c: here.
+       * src/tables.h, src/tables.c(tables_generate, tables_free): New.
+       * src/output.c (token_actions, output_base, output_conflicts)
+       (output_check): Merge into...
+       (prepare_actions): this.
+       (actions_output): Rename as...
+       (user_actions_output): this.
+       * src/main.c (main): Call tables_generate and tables_free.
+
+2002-07-31  Akim Demaille  <akim@epita.fr>
+
+       Steal GCC's --time-report support.
+
+       * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
+       stolen/adjusted from GCC.
+       * m4/stage.m4: Remove time related checks.
+       * m4/timevar.m4: New.
+       * configure.in: Adjust.
+       * src/system.h: Adjust to using timevar.h.
+       * src/getargs.h, src/getargs.c: Support trace_time for
+       --trace=time.
+       * src/main.c (stage): Remove.
+       (main): Replace `stage' invocations with timevar calls.
+       * src/output.c: Insert pertinent timevar calls.
+
+2002-07-31  Akim Demaille  <akim@epita.fr>
+
+       Let --trace have arguments.
+
+       * src/getargs.h (enum trace_e): New.
+       * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
+       (long_options, short_options): --trace/-T takes an optional
+       argument.
+       Change all the uses of trace_flag to reflect the new flags.
+       * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
+
+       Strengthen `stage' portability.
+
+       * m4/stage.m4 (BISON_PREREQ_STAGE): New.
+       * configure.in: Use it.
+       Don't check for malloc.h and sys/times.h.
+       * src/system.h: Include them when appropriate.
+       * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
+       times and struct tms are available.
+
+2002-07-30  Akim Demaille  <akim@epita.fr>
+
+       In verbose parse error message, don't report `error' as an
+       expected token.
+       * tests/actions.at (Printers and Destructors): Adjust.
+       * tests/calc.at (Calculator $1): Adjust.
+       * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
+       error message, do not report the parser accepts the error token in
+       that state.
+
+2002-07-30  Akim Demaille  <akim@epita.fr>
+
+       Normalize conflict related messages.
+
+       * src/complain.h, src/complain.c (warn, complain): New.
+       * src/conflicts.c (conflicts_print): Use them.
+       (conflict_report_yacc): New, extracted from...
+       (conflicts_print): here.
+       * tests/conflicts.at, tests/existing.at: Adjust.
+
+2002-07-30  Akim Demaille  <akim@epita.fr>
+
+       Report rules which are never reduced by the parser: those hidden
+       by conflicts.
+
+       * src/LR0.c (save_reductions): Don't make the final state too
+       different: save its reduction (accept) instead of having a state
+       without any action (no shift or goto, no reduce).
+       Note: the final state is now a ``regular'' state, i.e., the
+       parsers now contain `reduce 0' as default reduction.
+       Nevertheless, since they decide to `accept' when yystate =
+       final_state, they still will not reduce rule 0.
+       * src/print.c (print_actions, print_reduction): Adjust.
+       * src/output.c (action_row): Track reduced rules.
+       (token_actions): Report rules never reduced.
+       * tests/conflicts.at, tests/regression.at: Adjust.
+
+2002-07-30  Akim Demaille  <akim@epita.fr>
+
+       `stage' was accidently included in a previous patch.
+       Initiate its autoconfiscation.
+
+       * configure.in: Look for malloc.h and sys/times.h.
+       * src/main.c (stage): Adjust.
+       Report only when trace_flag.
+
+2002-07-29  Akim Demaille  <akim@epita.fr>
+
+       * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
+       state_number_t.
+       (errs_t): symbol_t*, not symbol_number_t.
+       (reductions_t): rule_t*, not rule_number_t.
+       (FOR_EACH_SHIFT): New.
+       * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
+       * src/print.c, src/print_graph.c: Adjust.
+
+2002-07-29  Akim Demaille  <akim@epita.fr>
+
+       Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
+
+       * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
+       (endtoken, accept): these.
+       * src/reader.c (reader): Set endtoken's default tag to "$end".
+       Set undeftoken's tag to "$undefined" instead of "$undefined.".
+       * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
+       Adjust.
+
 2002-07-29  Akim Demaille  <akim@epita.fr>
 
        * src/reduce.c (reduce_grammar): When the language is empty,
 
        Accumulated changelog for new GLR parsing features.
 
-        * src/conflicts.c (count_total_conflicts): Change name to
+       * src/conflicts.c (count_total_conflicts): Change name to
        conflicts_total_count.
        * src/conflicts.h: Ditto.
        * src/output.c (token_actions): Use the new name.