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be used before its declaration. * src/reader.c (check_and_convert_grammar): Don't invoke packgram if symbols_pack complained. * src/symtab.c (symbol_new): Don't count a string literal as a new symbol. (symbol_class_set): Don't count a string literal as a new token, and don't assign it a symbol number since symbol_make_alias does that. (symbol_make_alias): It's not necessary to decrement the symbol and token counts anymore. Don't assume that an alias declaration occurs before any uses of the identifier or string, and thus don't assert that one of them has the highest symbol number so far. (symbol_check_alias_consistency): Complain if there's a string literal that wasn't declared as an alias. (symbols_pack): Bail if symbol_check_alias_consistency failed since symbol_pack asserts that every token has been assigned a symbol number although undeclared string literals have not. * tests/regression.at (String alias declared after use, Undeclared string literal): New test case. (Characters Escapes, Web2c Actions): Declare string literals as aliases. * tests/sets.at (Firsts): Likewise.
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 1.4.3 or later. See: ftp://ftp.gnu.org/gnu/m4/m4-1.4.3.tar.gz Bison can work with pre-1.4.3 distributions of GNU m4 if they are sufficiently patched, but if you encounter a bug with an older distribution and report a bug we will probably suggest that you upgrade to 1.4.3 as the first step in trying to fix it. Please 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 and the documentation does not answer them, please send mail to <help-bison@gnu.org>. ----- Copyright (C) 1992, 1998, 1999, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.