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changed to use xcalloc, xnmalloc, xnrealloc, respectively, unless otherwise specified below. * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc, to allocate kernel_base, kernel_items, kernel_size, since they needn't be initialized to 0. (allocate_storgae): Likewise, for shiftset, redset, shift_symbol. * src/closure.c (new_closure): Likewise, for itemset. * src/derives.c (derives_compute): Likewise, for delts, derives, q. * src/lalr.c (set_goto_map): Likewise, for temp_map. (initialize_F): Likewise, for reads, edge, reads[i], includes[i]. (build_relations): Likewise for edge, states1, includes. * src/nullable.c (nullable_compute): Likewise, for squeue, relts. * src/reader.c (packgram): Likewise, for ritem, rules. * src/reduce.c (nonterminals_reduce): Likewise for nontermmap. * src/relation.c (relation_digraph): Likewise for VERTICES. (relation_transpose): Likewise for new_R, end_R. * src/symtab.c (symbols_token_translations_init): Likewise for token_translations. * src/tables.c (save_row): Likewise for froms, tos, conflict_tos. (token_actions): Likewise for yydefact, actrow, conflrow, conflict_list. (save_column): Likewise for froms[symno], tos[symno]. (goto_actions): Likewise for state_count. (pack_table): Likewise for base, pos, check. (tables_generate): Likewise for width. * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base for initial core. Just have a separate core, so we needn't worry about whether kernel_size and kernel_base are initialized. * src/LR0.c (shift_symbol, redset, shiftset, kernel_base, kernel_size, kernel_items): Remove unnecessary initialization. * src/conflicts.c (conflicts): Likewise. * src/derives.c (derives): Likewise. * src/muscle_tablc (muscle_insert): Likewise. * src/relation.c (relation_digraph): Likewise. * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order, conflrow, conflict_table, conflict_list, table, check): Likewise. * src/closure.c (new_closure): Arg is of type unsigned int, not int. This is because all callers pass unsigned int. * src/closure.h (new_closure): Likewise. * src/lalr.c (initialize_F): Initialize reads[i] in all cases. (build_relations): Initialize includes[i] in all cases. * src/reader.c (packgram): Always initialize rules[ruleno].prec and rules[ruleno].precsym. Initialize members in order. * src/relation.c (relation_transpose): Always initialize new_R[i] and end_R[i]. * src/table.c (conflict_row): Initialize 0 at end of conflict_list. * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0]; conflict_list[0] was always 0, but now it isn't initialized. * src/table.c (table_grow): When conflict_table grew, the grown area wasn't cleared. Fix this.
This directory contains the Bison parser generator. See the file INSTALL for generic compilation and installation instructions. See the file doc/FAQ for frequently asked questions. Bison requires GNU m4 1.4 or later. Vanilla GNU m4 1.4 has some serious bugs, so we recommend using m4 1.4 as patched by the standard GNU/Linux distributions. If you're building GNU m4 1.4 from scratch we suggest using this version: ftp://alpha.gnu.org/gnu/bison/m4-1.4.1.tar.gz Older versions of Sun Forte Developer 6 update 2 have a compiler bug that cause "make check" to fail with a "Encounter BINCL entry" diagnostic. To fix the bug, update to the latest set of Solaris and Forte patches recommended by Sun. VMS and MS-DOS builds are probably broken right now. If you are able to build Bison on either platform and you need to make changes to do so, please submit those changes as a bug report. On VMS, you will probably have to create Makefile from Makefile.in by hand. Remember to do `SET COMMAND BISON' to install the data in `BISON.CLD'. Send bug reports to <bug-bison@gnu.org>. Please include the version number from `bison --version', and a complete, self-contained test case in each bug report. If you have questions about using Bison which the documentation does not answer, send mail to <help-bison@gnu.org>. ----- Copyright (C) 1992, 1998, 1999, 2003, 2004 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. 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. 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 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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