+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,
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.
* 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)