]> git.saurik.com Git - bison.git/blobdiff - ChangeLog
* src/gram.h (item_number_t): New, the type of item numbers in
[bison.git] / ChangeLog
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+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)