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at <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>. * NEWS (2.3a+): Mention. * data/bison.m4 (b4_pure_if): Don't define it here. * data/c.m4 (b4_identification): Depend on individual skeletons to define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the values of the %define variables api.pure or api.push_pull. Define YYPURE, YYPUSH, and YYPULL accordingly. * data/glr.c: Define b4_pure_if based on `%define api.pure' unless glr.cc has already defined b4_pure_flag. * data/push.c: Define b4_pure_if based on `%define api.pure'. Remove YYPUSH and YYPULL since they're back in b4_identification again. * data/yacc.c Define b4_pure_if based on `%define api.pure'. * doc/bison.texinfo (Pure Decl): Update. (Push Decl): Update. (Decl Summary): Add api.pure to %define entry. In %pure-parser entry, say it's deprecated and reference %define. (Pure Calling): Update. (Error Reporting): Update. (C++ Scanner Interface): Update. (How Can I Reset the Parser): Update. (Table of Symbols): In %pure-parser entry, say it's deprecated and reference %define. * src/getargs.c (pure_parser): Remove global variable. * src/getargs.h (pure_parser): Remove extern. * src/output.c (prepare): Don't define pure_flag muscle. * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a wrapper around `%define api.pure'. * tests/calc.at (Simple LALR Calculator): Update. (Simple GLR Calculator): Update. * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations): Update. (GLR: Resolve ambiguity, pure, locations): Update. (GLR: Merge conflicting parses, pure, no locations): Update. (GLR: Merge conflicting parses, pure, locations): Update. * tests/glr-regression.at (Uninitialized location when reporting ambiguity): Update * tests/input.at (Unused %define api.pure): New test case. * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for AT_PURE_IF and AT_PURE_AND_LOC_IF. * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
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. This program 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 3 of the License, or (at your option) any later version. This program 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 this program. If not, see <http://www.gnu.org/licenses/>.