]> git.saurik.com Git - bison.git/blobdiff - ChangeLog
* lib/quotearg.h: Protect against multiple inclusions.
[bison.git] / ChangeLog
index 5e6dde751960ee6b502f5f2902f54ca0fd9d1728..c78e969ea0573fbe79fe0f80408cad0ce7af38ab 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,352 @@
+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 
+        * 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.
        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
        * 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/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
        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/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.  
+       (prepare_rules): Output dprec and merger tables.
        (conflict_row): New function.
-       (action_row): Output conflict lists for GLR parser.  Don't use 
+       (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.
        * 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 
+       (conflicts_output): Modify call to count_rr_conflicts for new
        interface.
        (conflicts_print): Ditto.
        (count_total_conflicts): New function.
        * 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>
+
+2002-06-27  Akim Demaille  <akim@epita.fr>
 
        * src/options.h, src/options.c: Remove.
        * src/getargs.c (short_options, long_options): New.
 
 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.