X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/6b98e4b5636203b60c2a43ddaa988562616b4c69..fae437e835febad97544793497ebd1a645a4e78b:/ChangeLog

diff --git a/ChangeLog b/ChangeLog
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--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,729 @@
+2002-07-09  Akim Demaille  <akim@epita.fr>
+
+	* doc/bison.texinfo: Properly set the ``header'' part.
+	Use @dircategory ``GNU programming tools'' as per Texinfo's
+	documentation.
+	Use @copying.
+
+2002-07-09  Akim Demaille  <akim@epita.fr>
+
+	* lib/quotearg.h: Protect against multiple inclusions.
+	* src/location.h (location_t): Add a `file' member.
+	(LOCATION_RESET, LOCATION_PRINT): Adjust.
+	* src/complain.c (warn_at, complain_at, fatal_at): Drop
+	`error_one_per_line' support.
+
+2002-07-09  Akim Demaille  <akim@epita.fr>
+
+	* src/complain.h, src/complain.c (warn, complain): Remove, unused.
+	* src/reader.c (lineno): Remove.
+	Adjust all dependencies.
+	(get_merge_function): Take a location and use complain_at.
+	* src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
+	* tests/regression.at (Invalid inputs, Mixing %token styles):
+	Adjust.
+
+2002-07-09  Akim Demaille  <akim@epita.fr>
+
+	* src/parse-gram.y (rules_or_grammar_declaration): Add an error
+	recovery rule, and forbid extensions when --yacc.
+	(gram_error): Use complain_at.
+	* src/reader.c (reader): Exit if there were parse errors.
+
+2002-07-09  Akim Demaille  <akim@epita.fr>
+
+	* tests/synclines.at (AT_SYNCLINES_COMPILE): New.
+	(AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
+	Reported by R Blake <blakers@mac.com>.
+
+2002-07-09  Akim Demaille  <akim@epita.fr>
+
+	* data/yacc.c: Output the copyright notive in the header.
+
+2002-07-03  Akim Demaille  <akim@epita.fr>
+
+	* src/output.c (froms, tos): Are state_number_t.
+	(save_column): sp, sp1, and sp2 are state_number_t.
+	(prepare): Rename `final' as `final_state_number', `nnts' as
+	`nterms_number', `nrules' as `rules_number', `nstates' as
+	`states_number', and `ntokens' as `tokens_number'.  Remove `nsym',
+	unused.
+	* data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
+	* data/lalr1.cc (nsym_): Remove, unused.
+
+2002-07-03  Akim Demaille  <akim@epita.fr>
+
+	* src/lalr.h, src/lalr.c (goto_number_t): New.
+	* src/lalr.c (goto_list_t): New.
+	Propagate them.
+	* src/nullable.c (rule_list_t): New.
+	Propagate.
+	* src/types.h: Remove.
+
+2002-07-03  Akim Demaille  <akim@epita.fr>
+
+	* src/closure.c (print_fderives): Use rule_rhs_print.
+	* src/derives.c (print_derives): Use rule_rhs_print.
+	(rule_list_t): New, replaces `shorts'.
+	(set_derives): Add comments.
+	* tests/sets.at (Nullable, Firsts): Adjust.
+
+2002-07-03  Akim Demaille  <akim@epita.fr>
+
+	* src/output.c (prepare_actions): Free `tally' and `width'.
+	(prepare_actions): Allocate and free `order'.
+	* src/symtab.c (symbols_free): Free `symbols'.
+	* src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
+	* src/output.c (m4_invoke): Move to...
+	* src/scan-skel.l: here.
+	(<<EOF>>): Close yyout, and free its name.
+
+2002-07-03  Akim Demaille  <akim@epita.fr>
+
+	Fix some memory leaks, and fix a bug: state 0 was examined twice.
+
+	* src/LR0.c (new_state): Merge into...
+	(state_list_append): this.
+	(new_states): Merge into...
+	(generate_states): here.
+	(set_states): Don't ensure a proper `errs' state member here, do it...
+	* src/conflicts.c (conflicts_solve): here.
+	* src/state.h, src/state.c: Comment changes.
+	(state_t): Rename member `shifts' as `transitions'.
+	Adjust all dependencies.
+	(errs_new): For consistency, also take the values as argument.
+	(errs_dup): Remove.
+	(state_errs_set): New.
+	(state_reductions_set, state_transitions_set): Assert that no
+	previous value was assigned.
+	(state_free): New.
+	(states_free): Use it.
+	* src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
+	temporary storage: use `errs' and `nerrs' as elsewhere.
+	(set_conflicts): Allocate and free this `errs'.
+
+2002-07-02  Akim Demaille  <akim@epita.fr>
+
+	* lib/libiberty.h: New.
+	* lib: Update the bitset implementation from upstream.
+	* src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
+	* src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
+	* src/main.c: Adjust bitset stats calls.
+
+2002-07-01  Paul Eggert  <eggert@twinsun.com>
+
+	* src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
+	char, so that negative chars don't collide with $.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	Have the GLR tests be `warning' checked, and fix the warnings.
+
+	* data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
+	(yyuserAction, yyreportAmbiguity): `Use' all the arguments.
+	(yyremoveDeletes): `yyi' and `yyj' are size_t.
+	Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
+	(yyaddDeferredAction): static.
+	(yyglrReduce): yyi, yyk, amd yyposn are size_t.
+	(yyreportParseError): yyprefix is const.
+	yytokenp is used only when verbose.
+	(yy__GNUC__): Replace with __GNUC__.
+	(yypdumpstack): yyi is size_t.
+	(yypreference): Un-yy local variables and arguments, to avoid
+	clashes with `yyr1'.  Anyway, we are not in the user name space.
+	(yytname_size): be an int, as is compared with ints.
+	* tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
+	Use them.
+	* tests/cxx-gram.at: Use quotation to protect $1.
+	Use AT_COMPILE to enable warnings hunts.
+	Prototype yylex and yyerror.
+	`Use' argc.
+	Include `string.h', not `strings.h'.
+	Produce and prototype stmtMerge only when used.
+	yylex takes a location.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	We spend a lot of time in quotearg, in particular when --verbose.
+
+	* src/symtab.c (symbol_get): Store a quoted version of the key.
+	(symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
+	Adjust all callers.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h (reductions_t): Rename member `nreds' as num.
+	(errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
+	* src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
+	(SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
+	(shifts_to): Rename as...
+	(transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
+	(TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
+	(TRANSITION_IS_DISABLED, transitions_to): these.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/print.c (print_shifts, print_gotos): Merge into...
+	(print_transitions): this.
+	(print_transitions, print_errs, print_reductions): Align the
+	lookaheads columns.
+	(print_core, print_transitions, print_errs, print_state,
+	print_grammar): Output empty lines separator before, not after.
+	(state_default_rule_compute): Rename as...
+	(state_default_rule): this.
+	* tests/conflicts.at (Defaulted Conflicted Reduction),
+	(Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
+	* tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	Display items as we display rules.
+
+	* src/gram.h, src/gram.c (rule_lhs_print): New.
+	* src/gram.c (grammar_rules_partial_print): Use it.
+	* src/print.c (print_core): Likewise.
+	* tests/conflicts.at (Defaulted Conflicted Reduction),
+	(Unresolved SR Conflicts): Adjust.
+	(Unresolved SR Conflicts): Adjust and rename as...
+	(Resolved SR Conflicts): this, as was meant.
+	* tests/regression.at (Web2c Report): Adjust.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/print.c (state_default_rule_compute): New, extracted from...
+	(print_reductions): here.
+	Pessimize, but clarify the code.
+	* tests/conflicts.at (Defaulted Conflicted Reduction): New.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/output.c (action_row): Let default_rule be always a rule
+	number.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/closure.c (print_firsts, print_fderives, closure):
+	Use BITSET_EXECUTE.
+	* src/lalr.c (lookaheads_print): Likewise.
+	* src/state.c (state_rule_lookaheads_print): Likewise.
+	* src/print_graph.c (print_core): Likewise.
+	* src/print.c (print_reductions): Likewise.
+	* src/output.c (action_row): Likewise.
+	Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/print_graph.c: Use report_flag.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/lalr.c (traverse, digraph, matrix_print, transpose): Move
+	to...
+	* src/relation.h, src/relation.c (traverse, relation_digraph)
+	(relation_print, relation_transpose): New.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h, src/state.c (shifts_to): New.
+	* src/lalr.c (build_relations): Use it.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
+	(item_number_of_rule_number, rule_number_of_item_number): New.
+	* src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
+	* src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
+	* src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
+	Propagate their use.
+	Much remains to be done, in particular wrt `shorts' from types.h.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/symtab.c (symbol_new): Initialize the `printer' member.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/LR0.c (save_reductions): Remove, replaced by...
+	* src/state.h, src/state.c (state_reductions_set): New.
+	(reductions, errs): Rename as...
+	(reductions_t, errs_t): these.
+	Adjust all dependencies.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/LR0.c (state_list_t, state_list_append): New.
+	(first_state, last_state): Now symbol_list_t.
+	(this_state): Remove.
+	(new_itemsets, append_states, save_reductions): Take a state_t as
+	argument.
+	(set_states, generate_states): Adjust.
+	(save_shifts): Remove, replaced by...
+	* src/state.h, src/state.c (state_shifts_set): New.
+	(shifts): Rename as...
+	(shifts_t): this.
+	Adjust all dependencies.
+	* src/state.h (state_t): Remove the `next' member.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/vcg.c (quote): Use slot 2, since we often pass symbol tag
+	escaped in slot 0.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	Use hash.h for the state hash table.
+
+	* src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
+	(allocate_storage): Use state_hash_new.
+	(free_storage): Use state_hash_free.
+	(new_state, get_state): Adjust.
+	* src/lalr.h, src/lalr.c (states): Move to...
+	* src/states.h (state_t): Remove the `link' member, no longer
+	used.
+	* src/states.h, src/states.c: here.
+	(state_hash_new, state_hash_free, state_hash_lookup)
+	(state_hash_insert, states_free): New.
+	* src/states.c (state_table, state_compare, state_hash): New.
+	* src/output.c (output_actions): Do not free states now, since we
+	still need to know the final_state number in `prepare', called
+	afterwards.  Do it...
+	* src/main.c (main): here: call states_free after `output'.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h, src/state.c (state_new): New, extracted from...
+	* src/LR0.c (new_state): here.
+	* src/state.h (STATE_ALLOC): Move to...
+	* src/state.c: here.
+	* src/LR0.h, src/LR0.c (nstates, final_state): Move to...
+	* src/state.h, src/state.c: here.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/reader.c (gensym): Rename as...
+	* src/symtab.h, src/symtab.c (dummy_symbol_get): this.
+	(getsym): Rename as...
+	(symbol_get): this.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h (state_number_t, STATE_NUMBER_MAX): New.
+	* src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
+	* src/output.c, src/print.c, src/print_graph.c: Propagate.
+	* src/LR0.h, src/LR0.h (final_state): Is a state_t*.
+
+2002-06-30  Akim Demaille  <akim@epita.fr>
+
+	Make the test suite pass with warnings checked.
+
+	* tests/actions.at (Printers and Destructors): Improve.
+	Avoid unsigned vs. signed issues.
+	* tests/calc.at: Don't exercise the scanner here, do it...
+	* tests/input.at (Torturing the Scanner): here.
+
+2002-06-28  Paul Hilfinger  <Hilfinger@CS.Berkeley.EDU>
+
+	* data/glr.c: Correct typo in Emacs-mode directive.  Slightly
+	reorganize first lines parallel to yacc.c.
+
+2002-06-28  Akim Demaille  <akim@epita.fr>
+
+	* data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
+	(b4_token_enum, b4_token_defines): New, factored from...
+	* data/lalr1.cc, data/yacc.c, glr.c: here.
+
+2002-06-28  Akim Demaille  <akim@epita.fr>
+
+	* data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
+	unused variables.
+	* src/output.c (merger_output): static.
+
+2002-06-28  Akim Demaille  <akim@epita.fr>
+
+	* src/reader.h:	s/grammer_current_rule_merge_set/grammar_.../.
+	* src/conflicts.c (conflicts_total_count): `i' is unsigned, to
+	pacify GCC.
+	* src/output.c (save_row): Initialize all the variables to pacify GCC.
+
+2002-06-27  Paul Hilfinger  <Hilfinger@CS.Berkeley.EDU>
+
+	Accumulated changelog for new GLR parsing features.
+
+        * 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.
+	(output_conflicts): Change conflp => conflict_list_heads, and
+	confl => conflict_list for better readability.
+	* data/glr.c: Use the new names.
+	* NEWS: Add self to GLR announcement.
+
+	* src/reader.c (free_merger_functions): Cleanup: XFREE->free.
+
+	* doc/bison.texinfo (GLR Parsers): Make corrections suggested by
+	Akim Demaille.
+
+	* data/bison.glr: Change name to glr.c
+	* data/glr.c: Renamed from bison.glr.
+	* data/Makefile.am: Add glr.c
+
+	* src/getargs.c:
+
+	* src/symlist.h:  Add dprec and merger fields to symbol_list_s.
+	* src/symlist.c	(symbol_list_new): Initialize dprec and merger fields.
+
+	Originally 2002-06-16  Paul Hilfinger  <Hilfinger@CS.Berkeley.EDU>
+
+	* data/bison.glr: Be sure to restore the
+	current #line when returning to the skeleton contents after having
+	exposed the input file's #line.
+
+	Originally 2002-06-13  Paul Hilfinger  <Hilfinger@CS.Berkeley.EDU>
+
+	* data/bison.glr: Bring up to date with changes to bison.simple.
+
+	Originally 2002-06-03  Paul Hilfinger  <Hilfinger@CS.Berkeley.EDU>
+
+	* data/bison.glr: Correct definitions that use b4_prefix.
+	Various reformatting.
+	(GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
+	(yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
+	yytokenp argument; now part of stack.
+	(yychar): Define to behave as documented.
+	(yyclearin): Ditto.
+
+	Originally 2002-05-14  Paul Hilfinger  <Hilfinger@CS.Berkeley.EDU>
+
+	* src/reader.h: Add declaration for free_merger_functions.
+
+	* src/reader.c (merge_functions): New variable.
+	(get_merge_function): New function.
+	(free_merger_functions): New function.
+	(readgram): Check for %prec that is not followed by a symbol.
+	Handle %dprec and %merge declarations.
+	(packgram): Initialize dprec and merger fields in rules array.
+
+	* src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
+	conflict_list_cnt, conflict_list_free): New variables.
+	(table_grow): Also grow conflict_table.
+	(prepare_rules): Output dprec and merger tables.
+	(conflict_row): New function.
+	(action_row): Output conflict lists for GLR parser.  Don't use
+	default reduction in conflicted states for GLR parser so that there
+	are spaces for the conflict lists.
+	(save_row): Also save conflict information.
+	(token_actions): Allocate conflict list.
+	(merger_output): New function.
+	(pack_vector): Pack conflict table, too.
+	(output_conflicts): New function to output yyconflp and yyconfl.
+	(output_check): Allocate conflict_tos.
+	(output_actions): Output conflict tables, also.
+	(output_skeleton): Output b4_mergers definition.
+	(prepare): Output b4_max_rhs_length definition.
+	Use 'bison.glr' as default skeleton for GLR parsers.
+
+	* src/gram.c (glr_parser): New flag.
+	(grammar_free): Call free_merger_functions.
+
+	* src/conflicts.c (count_rr_conflicts): Augment to optionally count
+	all pairs of conflicting reductions, rather than just all tokens
+	causing conflicts.  Needed to size conflict tables.
+	(conflicts_output): Modify call to count_rr_conflicts for new
+	interface.
+	(conflicts_print): Ditto.
+	(count_total_conflicts): New function.
+
+	* src/reader.h (merger_list): New type.
+	(merge_functions): New variable.
+
+	* src/lex.h (tok_dprec, tok_merge): New token types.
+
+	* src/gram.h (rule_s): Add dprec and merger fields.
+	(glr_parser): New flag.
+
+	* src/conflicts.h (count_total_conflicts): New function.
+
+	* src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
+
+	* doc/bison.texinfo (Generalized LR Parsing): New section.
+	(GLR Parsers): New section.
+	(Language and Grammar): Mention GLR parsing.
+	(Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
+	Correct typo ("tge" -> "the").
+
+	* data/bison.glr: New skeleton for GLR parsing.
+
+	* tests/cxx-gram.at: New tests for GLR parsing.
+
+	* tests/testsuite.at: Include cxx-gram.at.
+
+	* tests/Makefile.am: Add cxx-gram.at.
+
+	* src/parse-gram.y:
+
+	* src/scan-gram.l: Add %dprec, %glr-parser, %merge.
+
+	* src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
+
+2002-06-27  Akim Demaille  <akim@epita.fr>
+
+	* src/options.h, src/options.c: Remove.
+	* src/getargs.c (short_options, long_options): New.
+
+2002-06-27  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple, data/bison.c++: Rename as...
+	* data/yacc.c, data/lalr1.cc: these.
+	* doc/bison.texinfo (Environment Variables): Remove.
+
+2002-06-25  Raja R Harinath  <harinath@cs.umn.edu>
+
+	* src/getargs.c (report_argmatch): Initialize strtok().
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (b4_symbol_actions): New, replaces...
+	(b4_symbol_destructor, b4_symbol_printer): these.
+	(yysymprint): Be sure to call YYPRINT only for tokens, and using
+	user token numbers.
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (yydestructor): Rename as...
+	(yydestruct): this.
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* src/symtab.h, src/symtab.c (symbol_type_set)
+	(symbol_destructor_set, symbol_precedence_set): The location is
+	the last argument.
+	Adjust all callers.
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
+	internals.
+	* src/reader.h, src/reader.c (grammar_current_rule_prec_set):
+	Takes a location.
+	* src/symtab.h, src/symtab.c (symbol_class_set)
+	(symbol_user_token_number_set): Likewise.
+	Adjust all callers.
+	Promote complain_at.
+	* tests/input.at (Type Clashes): Adjust.
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (YYLEX): Fix the declaration when
+	%pure-parser.
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (yysymprint): Don't print the token number,
+	just its name.
+	* tests/actions.at (Destructors): Rename as...
+	(Printers and Destructors): this.
+	Also exercise %printer.
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (YYDSYMPRINT): New.
+	Use it to remove many of the #if YYDEBUG/if (yydebug).
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* src/symtab.h, src/symtab.c (symbol_t): printer and
+	printer_location are new members.
+	(symbol_printer_set): New.
+	* src/parse-gram.y (PERCENT_PRINTER): New token.
+	Handle its associated rule.
+	* src/scan-gram.l: Adjust.
+	(handle_destructor_at, handle_destructor_dollar): Rename as...
+	(handle_symbol_code_at, handle_symbol_code_dollar): these.
+	* src/output.c (symbol_printers_output): New.
+	(output_skeleton): Call it.
+	* data/bison.simple (yysymprint): New.  Cannot be named yyprint
+	since there are already many grammar files with a user `yyprint'.
+	Replace the calls to YYPRINT to calls to yysymprint.
+	* tests/calc.at: Adjust.
+	* tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
+	taking advantage of parser very internal details (stack size!).
+
+2002-06-20  Akim Demaille  <akim@epita.fr>
+
+	* src/scan-gram.l: Complete the scanner with the missing patterns
+	to pacify Flex.
+	Use `quote' and `symbol_tag_get' where appropriate.
+
+2002-06-19  Akim Demaille  <akim@epita.fr>
+
+	* tests/actions.at (Destructors): Augment to test locations.
+	* data/bison.simple (yydestructor): Pass it the current location
+	if locations are enabled.
+	Prototype only when __STDC__ or C++.
+	Change the argument names to move into the yy name space: there is
+	user code here.
+
+2002-06-19  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (b4_pure_if): New.
+	Use it instead of #ifdef YYPURE.
+
+2002-06-19  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple (b4_location_if): New.
+	Use it instead of #ifdef YYLSP_NEEDED.
+
+2002-06-19  Akim Demaille  <akim@epita.fr>
+
+	Prepare @$ in %destructor, but currently don't bind it in the
+	skeleton, as %location use is not cleaned up yet.
+
+	* src/scan-gram.l (handle_dollar, handle_destructor_at)
+	(handle_action_at): New.
+	(handle_at, handle_action_dollar, handle_destructor_dollar): Take
+	a braced_code_t and a location as additional arguments.
+	(handle_destructor_dollar): Instead of requiring `b4_eval', just
+	unquote one when outputting `b4_dollar_dollar'.
+	Adjust callers.
+	* data/bison.simple (b4_eval): Remove.
+	(b4_symbol_destructor): Adjust.
+	* tests/input.at (Invalid @n): Adjust.
+
+2002-06-19  Zack Weinberg  <zack@codesourcery.com>
+
+	* doc/bison.texinfo: Document ability to have multiple
+	prologue sections.
+
+2002-06-18  Akim Demaille  <akim@epita.fr>
+
+	* src/files.c (compute_base_names): When computing the output file
+	names from the input file name, strip the directory part.
+
+2002-06-18  Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple.new: Comment changes.
+	Reported by Andreas Schwab.
+
+2002-06-18  Matt Kraai  <kraai@alumni.cmu.edu>
+
+	* data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
+	there are no `label `yyoverflowlab' defined but not used' warnings
+	when yyoverflow is defined.
+
+2002-06-18  Akim Demaille  <akim@epita.fr>
+
+	* src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
+	new member.
+	(symbol_destructor_set): Adjust.
+	* src/output.c (symbol_destructors_output): Output the destructor
+	locations.
+	Output the symbol name.
+	* data/bison.simple (b4_symbol_destructor): Adjust.
+
+2002-06-18  Cris Bailiff  <c.bailiff@awayweb.com>
+	and Akim Demaille  <akim@epita.fr>
+
+	* data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
+	what's left on the stack when the error recovery hits EOF.
+	* tests/actions.at (Destructors): Complete to exercise this case.
+
+2002-06-17  Akim Demaille  <akim@epita.fr>
+
+	* data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
+	arguments is really empty, not only equal to `[]'.
+	* src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
+	member.
+	(symbol_destructor_set): New.
+	* src/output.c (symbol_destructors_output): New.
+	* src/reader.h (brace_code_t, current_braced_code): New.
+	* src/scan-gram.l (BRACED_CODE): Use it to branch on...
+	(handle_dollar): Rename as...
+	(handle_action_dollar): this.
+	(handle_destructor_dollar): New.
+	* src/parse-gram.y (PERCENT_DESTRUCTOR): New.
+	(grammar_declaration): Use it.
+	* data/bison.simple (yystos): Is always defined.
+	(yydestructor): New.
+	* tests/actions.at (Destructors): New.
+	* tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
+
+2002-06-17  Akim Demaille  <akim@epita.fr>
+
+	* src/symlist.h, src/symlist.c (symbol_list_length): New.
+	* src/scan-gram.l (handle_dollar, handle_at): Compute the
+	rule_length only when needed.
+	* src/output.c (actions_output, token_definitions_output): Output
+	the full M4 block.
+	* src/symtab.c: Don't access directly to the symbol tag, use
+	symbol_tag_get.
+	* src/parse-gram.y: Use symbol_list_free.
+
+2002-06-17  Akim Demaille  <akim@epita.fr>
+
+	* src/reader.h, src/reader.c (symbol_list, symbol_list_new)
+	(symbol_list_prepend, get_type_name): Move to...
+	* src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
+	(symbol_list_prepend, symbol_list_n_type_name_get): here.
+	Adjust all callers.
+	(symbol_list_free): New.
+	* src/scan-gram.l (handle_dollar): Takes a location.
+	* tests/input.at (Invalid $n): Adjust.
+
+2002-06-17  Akim Demaille  <akim@epita.fr>
+
+	* src/reader.h, src/reader.c (symbol_list_new): Export it.
+	(symbol_list_prepend): New.
+	* src/parse-gram.y (%union): `list' is a new member.
+	(symbols.1): New, replaces...
+	(terms_to_prec.1, nterms_to_type.1): these.
+	* src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
+	Take a location as additional argument.
+	Adjust all callers.
+
+2002-06-15  Akim Demaille  <akim@epita.fr>
+
+	* src/parse-gram.y: Move %token in the declaration section so that
+	we don't depend upon CVS Bison.
+
+2002-06-15  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h, src/state.c (state_rule_lookaheads_print): New.
+	* src/print.c (print_core): Use it.
+
+2002-06-15  Akim Demaille  <akim@epita.fr>
+
+	* src/conflicts.c (log_resolution): Accept the rule involved in
+	the sr conflicts instead of the lookahead number that points to
+	that rule.
+	(flush_reduce): Accept the current lookahead vector as argument,
+	instead of the index in LA.
+	(resolve_sr_conflict): Accept the current number of lookahead
+	bitset to consider for the STATE, instead of the index in LA.
+	(set_conflicts): Adjust.
+	* src/lalr.c, src/lalr.h, src/state.h: Comment changes.
+
+2002-06-15  Akim Demaille  <akim@epita.fr>
+
+	* src/state.h (state_t): Replace the `lookaheadsp' member, a
+	short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
+	Adjust all dependencies.
+	* src/lalr.c (initialize_lookaheads): Split into...
+	(states_lookaheads_count, states_lookaheads_initialize): these.
+	(lalr): Adjust.
+
+2002-06-15  Akim Demaille  <akim@epita.fr>
+
+	* src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
+	out of...
+	(grammar_rules_print): here.
+	* src/reduce.c (reduce_output): Use it.
+	* tests/reduce.at (Useless Rules, Reduced Automaton)
+	(Underivable Rules): Adjust.
+
 2002-06-15  Akim Demaille  <akim@epita.fr>
 
 	Copy BYacc's nice way to report the grammar.
@@ -8,7 +734,6 @@
 	(rule_print): Use grammar_rhs_print.
 	* src/print.c (print_grammar): Use grammar_rules_print.
 
-	
 2002-06-15  Akim Demaille  <akim@epita.fr>
 
 	Complete and rationalize `useless thing' warnings.
@@ -28,7 +753,6 @@
 	* tests/conflicts.at (Unresolved SR Conflicts)
 	(Solved SR Conflicts): Adjust.
 
-	
 2002-06-15  Akim Demaille  <akim@epita.fr>
 
 	Let symbols have a location.
@@ -62,7 +786,6 @@
 	* tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
 	the line numbers.
 
-	
 2002-06-14  Akim Demaille  <akim@epita.fr>
 
 	Grammar declarations may be found in the grammar section.
@@ -7039,19 +7762,19 @@
 
 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
-This file is part of GNU Autoconf.
+This file is part of GNU Bison.
 
-GNU Autoconf is free software; you can redistribute it and/or modify
+GNU Bison is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
-GNU Autoconf is distributed in the hope that it will be useful,
+GNU Bison is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with autoconf; see the file COPYING.  If not, write to
+along with GNU Bison; see the file COPYING.  If not, write to
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.