+2002-04-10 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: Rely on HAVE_LIMITS_H.
+ Suggested by Paul Eggert.
+
+2002-04-09 Akim Demaille <akim@epita.fr>
+
+ * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
+ full stderr, and strip it according to the bison options, instead
+ of composing the error message from different bits.
+ This makes it easier to check for several error messages.
+ Adjust all the invocations.
+ Add an invocation exercising the error token.
+ Add an invocation demonstrating a stupid error message.
+ (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
+ Adjust the tests.
+ Error message are for stderr, not stdout.
+
+2002-04-09 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h, src/gram.c (error_token_number): Remove, use
+ errtoken->number.
+ * src/reader.c (reader): Don't specify the user token number (2)
+ for $undefined, as it uselessly prevents using it.
+ * src/gram.h (token_number_t): Move to...
+ * src/symtab.h: here.
+ (state_t.number): Is a token_number_t.
+ * src/print.c, src/reader.c: Use undeftoken->number instead of
+ hard coded 2.
+ (Even though this 2 is not the same as above: the number of the
+ undeftoken remains being 2, it is its user token number which
+ might not be 2).
+ * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
+ `user_token_number_max'.
+ Output `undef_token_number'.
+ * data/bison.simple, data/bison.c++: Use them.
+ Be sure to map invalid yylex return values to
+ `undef_token_number'. This saves us from gratuitous SEGV.
+
+ * tests/conflicts.at (Solved SR Conflicts)
+ (Unresolved SR Conflicts): Adjust.
+ * tests/regression.at (Web2c Actions): Adjust.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
+ Adding #line.
+ Remove the duplicate `typedefs'.
+ (RhsNumberType): Fix the declaration and various other typos.
+ Use __ofile__.
+ * data/bison.simple: Use __ofile__.
+ * src/scan-skel.l: Handle __ofile__.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (item_number_t): New, the type of item numbers in
+ RITEM. Note that it must be able to code symbol numbers as
+ positive number, and the negation of rule numbers as negative
+ numbers.
+ Adjust all dependencies (pretty many).
+ * src/reduce.c (rule): Remove this `short *' pointer: use
+ item_number_t.
+ * src/system.h (MINSHORT, MAXSHORT): Remove.
+ Include `limits.h'.
+ Adjust dependencies to using SHRT_MAX and SHRT_MIN.
+ (shortcpy): Remove.
+ (MAXTABLE): Move to...
+ * src/output.c (MAXTABLE): here.
+ (prepare_rules): Use output_int_table to output rhs.
+ * data/bison.simple, data/bison.c++: Adjust.
+ * tests/torture.at (Big triangle): Move the limit from 254 to
+ 500.
+ * tests/regression.at (Web2c Actions): Ajust.
+
+ Trying with bigger grammars shows various phenomena: at 3000 (28Mb
+ of grammar file) bison is killed by my system, at 2000 (12Mb) bison
+ passes, but produces negative #line number, once fixed, GCC is
+ killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
+ C), it passes.
+ * src/state.h (state_h): Code input lines on ints, not shorts.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_grammar): First reduce the nonterminals,
+ and then the grammar.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: No longer using strndup.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
+ * src/output.c (output_table_data): Return the longest number.
+ (prepare_tokens): Output `token_number_max').
+ * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
+ New.
+ Use them to define yy_token_number_type/TokenNumberType.
+ Use this type for yytranslate.
+ * tests/torture.at (Big triangle): Push the limit from 124 to
+ 253.
+ * tests/regression.at (Web2c Actions): Adjust.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * tests/torture.at (Big triangle): New.
+ (GNU AWK Grammar, GNU Cim Grammar): Move to...
+ * tests/existing.at: here.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
+ nritems.
+ Adjust dependencies.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c: Normalize increments to prefix form.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c, symtab.c: Remove debugging code.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ Rename all the `bucket's as `symbol_t'.
+
+ * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
+ * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
+ * src/symtab.c, src/symtab.h (bucket): Rename as...
+ (symbol_t): this.
+ (symbol_list_new, bucket_check_defined, bucket_make_alias)
+ (bucket_check_alias_consistence, bucket_pack, bucket_translation)
+ (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
+ (buckets_new, buckets_free, buckets_do): Rename as...
+ (symbol_list_new, symbol_check_defined, symbol_make_alias)
+ (symbol_check_alias_consistence, symbol_pack, symbol_translation)
+ (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
+ (symbols_new, symbols_free, symbols_do): these.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ Use lib/hash for the symbol table.
+
+ * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
+ EOF.
+ * src/lex.c (lex): Set the `number' member of new terminals.
+ * src/reader.c (bucket_check_defined, bucket_make_alias)
+ (bucket_check_alias_consistence, bucket_translation): New.
+ (reader, grammar_free, readgram, token_translations_init)
+ (packsymbols): Adjust.
+ (reader): Number the predefined tokens.
+ * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
+ for predefined tokens.
+ * src/symtab.h (bucket): Remove all the hash table related
+ members.
+ * src/symtab.c (symtab): Replace by...
+ (bucket_table): this.
+ (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
+ (buckets_new, buckets_do): New.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
+ (start_symbol, max_user_token_number, semantic_parser)
+ (error_token_number): Initialize.
+ * src/reader.c (grammar, start_flag, startval, typed, lastprec):
+ Initialize.
+ (reader): Don't.
+ (errtoken, eoftoken, undeftoken, axiom): Extern.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (rule_s): prec and precsym are now pointers
+ to the bucket giving the priority/associativity.
+ Member `associativity' removed: useless.
+ * src/reduce.c, src/conflicts.c: Adjust.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
+ Properly escape the symbols' TAG when outputting them.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h (LA): Is a bitsetv, not bitset*.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h, src/lalr.c (LAruleno): Replace with...
+ (LArule): this, which is an array to rule_t*.
+ * src/print.c, src/conflicts.c: Adjust.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (rule_t): Rename `number' as `user_number'.
+ `number' is a new member.
+ Adjust dependencies.
+ * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ As a result of the previous patch, it is no longer needed
+ to reorder ritem itself.
+
+ * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ Be sure never to walk through RITEMS, but use only data related to
+ the rules themselves. RITEMS should be banished.
+
+ * src/output.c (output_token_translations): Rename as...
+ (prepare_tokens): this.
+ In addition to `translate', prepare the muscles `tname' and
+ `toknum', which were handled by...
+ (output_rule_data): this.
+ Remove, and move the remainder of its outputs into...
+ (prepare_rules): this new routines, which also merges content from
+ (output_gram): this.
+ (prepare_rules): Be sure never to walk through RITEMS.
+ (output_stos): Rename as...
+ (prepare_stos): this.
+ (output): Always invoke prepare_states, after all, just don't use it
+ in the output if you don't need it.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_state): Display `nstates' as the name of the
+ newly created state.
+ Adjust to initialize first_state and last_state if needed.
+ Be sure to distinguish the initial from the final state.
+ (new_states): Create the itemset of the initial state, and use
+ new_state.
+ * src/closure.c (closure): Now that the initial state has its
+ items properly set, there is no need for a special case when
+ creating `ruleset'.
+
+ As a result, now the rule 0, reducing to $axiom, is visible in the
+ outputs. Adjust the test suite.
+
+ * tests/conflicts.at (Solved SR Conflicts)
+ (Unresolved SR Conflicts): Adjust.
+ * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
+ * tests/conflicts.at (S/R in initial): New.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
+ the RHS of the rules.
+ * src/output.c (output_gram): Likewise.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
+ bucket.
+ Adjust all dependencies.
+ * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
+ `number' of the buckets too.
+ * src/gram.h: Include `symtab.h'.
+ (associativity): Move to...
+ * src/symtab.h: here.
+ No longer include `gram.h'.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h, src/gram.c (rules_rhs_length): New.
+ (ritem_longest_rhs): Use it.
+ * src/gram.h (rule_t): `number' is a new member.
+ * src/reader.c (packgram): Set it.
+ * src/reduce.c (reduce_grammar_tables): Move the useless rules at
+ the end of `rules', and count them out of `nrules'.
+ (reduce_output, dump_grammar): Adjust.
+ * src/print.c (print_grammar): It is no longer needed to check for
+ the usefulness of a rule, as useless rules are beyond `nrules + 1'.
+ * tests/reduce.at (Reduced Automaton): New test.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
+ lacking `+ 1' to nrules, Bison reported as useless a token if it
+ was used solely to set the precedence of the last rule...
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * data/bison.c++, data/bison.simple: Don't output the current file
+ name in #line, to avoid useless diffs between two identical
+ outputs under different names.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
+ Normalize loops to using `< nrules + 1', not `<= nrules'.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * TODO: Update.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
+ bucket.value as bucket.number.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
+ * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
+ * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
+ RHS, instead of being an index in RITEMS.
+
+2002-04-04 Paul Eggert <eggert@twinsun.com>
+
+ * doc/bison.texinfo: Update copyright date.
+ (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
+ (Symbols): Warn about running Bison in one character set,
+ but compiling and/or running in an incompatible one.
+ Warn about character code 256, too.
+
+2002-04-03 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.data (YYSTACK_ALLOC): Depend on whether
+ YYERROR_VERBOSE is nonzero, not whether it is defined.
+
+ Merge changes from bison-1_29-branch.
+
+2002-03-20 Paul Eggert <eggert@twinsun.com>
+
+ Merge fixes from Debian bison_1.34-1.diff.
+
+ * configure.in (AC_PREREQ): 2.53.
+
+2002-03-20 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (log_resolution): Argument `resolution' is const.
+
+2002-03-19 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.simple (YYCOPY): New macro.
+ (YYSTACK_RELOCATE): Use it.
+ Remove Type arg; no longer needed. All callers changed.
+ (yymemcpy): Remove; no longer needed.
+
+ * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
+ * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
+
+2002-03-19 Akim Demaille <akim@epita.fr>
+
+ Test and fix the #line outputs.
+
+ * tests/atlocal.at (GCC): New.
+ * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
+ (Prologue synch line, ,%union synch line, Postprologue synch line)
+ (Action synch line, Epilogue synch line): New tests.
+ * src/reader.c (parse_union_decl): Define the muscle stype_line.
+ * data/bison.simple, data/bison.c++: Use it.
+
+2002-03-19 Akim Demaille <akim@epita.fr>
+
+ * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
+ (Solved SR Conflicts, %expect not enough, %expect right)
+ (%expect too much): Move to...
+ * tests/conflicts.at: this new file.
+
+2002-03-19 Akim Demaille <akim@epita.fr>
+
+ * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
+ * data/bison.simple, data/bison.c++: Handle the `#define' part, so
+ that we can move to enums for instance.
+ * src/output.c (token_definitions_output): Output a list of
+ `token-name, token-number' instead of the #define.
+ (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
+
+2002-03-14 Akim Demaille <akim@epita.fr>
+
+ Use Gettext 0.11.1.
+
+2002-03-09 Robert Anisko <robert@lrde.epita.fr>
+
+ * data/bison.c++: Make the user able to add members to the generated
+ parser by subclassing.
+
+2002-03-05 Robert Anisko <robert@lrde.epita.fr>
+
+ * src/reader.c (read_additionnal_code): `c' should be an integer, not
+ a character.
+ Reported by Nicolas Tisserand and Nicolas Burrus.
+
+2002-03-04 Robert Anisko <robert@lrde.epita.fr>
+
+ * src/reader.c: Warn about lacking semi-colons, do not complain.
+
+2002-03-04 Robert Anisko <robert@lrde.epita.fr>
+
+ * data/bison.c++: Remove a debug line.
+
+2002-03-04 Robert Anisko <robert@lrde.epita.fr>
+
+ * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
+ location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
+ provide a default implementation.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
+ * tests/output.at (AT_CHECK_OUTPUT): Likewise.
+ * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
+ * tests/semantic.at (Parsing Guards): Similarly.
+ * src/reader.at (readgram): Complain if the last rule is not ended
+ with a semi-colon.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
+ * src/closure.c: here.
+ (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
+ RTC.
+ * src/warshall.h, src/warshall.c: Remove.
+ * tests/sets.at (Broken Closure): Adjust.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (output_skeleton): tempdir is const.
+ bytes_read is unused.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
+ * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
+ Update.
+ From Michael Hayes.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): `r' is unused.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * tests/sets.at (Broken Closure): Add the ending `;'.
+ * src/reader.at (readgram): Complain if a rule is not ended with a
+ semi-colon.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
+ (count_sr_conflicts): Use bitset_count.
+ * src/reduce.c (inaccessable_symbols): Ditto.
+ (bits_size): Remove.
+ * src/warshall.h, src/warshall.c: Convert to bitsetv.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
+ * src/reduce.c: Remove the `bitset_zero's following the
+ `bitset_create's, as now it is performed by the latter.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
+ * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
+ * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
+ latest sources from Michael.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (output): Don't free the grammar.
+ * src/reader.c (grammar_free): New.
+ * src/main.c (main): Call it and don't free symtab here.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
+ before returning.
+ Reported by Benoit Perrot.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ Use bitset operations when possible, not loops over bits.
+
+ * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
+ bitset_or.
+ * src/print.c (print_reductions): Use bitset_and, bitset_andn.
+ * src/reduce.c (useless_nonterminals): Formatting changes.
+ * src/warshall.c (TC): Use bitset_or.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
+ * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
+ Ditto.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/lalr.c (F): Now a bitset*.
+ Adjust all dependencies.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (shiftset, lookaheadset): Now bitset.
+ Adjust all dependencies.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/L0.c, src/LR0.h (nstates): Be size_t.
+ Adjust comparisons (signed vs unsigned).
+ * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
+ bitset*.
+ Adjust all dependencies.
+
+2002-03-04 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (firsts): Now, also a bitset.
+ Adjust all dependencies.
+ (varsetsize): Remove, now unused.
+ * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
+
2002-03-04 Akim Demaille <akim@epita.fr>
* src/print.c: Convert to use bitset.h, not hand coded iterations
over ints.
-
2002-03-04 Akim Demaille <akim@epita.fr>
* src/reduce.c: Convert to use bitset.h, not hand coded BSet.
* src/closure.c (ruleset): Be a bitset.
(rulesetsize): Remove.
-
2002-03-04 Akim Demaille <akim@epita.fr>
* lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
1987-12-16 Richard Stallman <rms@gnu.org>
* REFERENCES: entered into RCS
+-----
+
+Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Autoconf.
+
+GNU Autoconf 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,
+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
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.