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There are two issues to handle: first scanning nested angle bracket pairs to support types such as std::pair< std::string, std::list<std::string> > >. Another issue is to address idiosyncracies of C++: do not glue two closing angle brackets together (otherwise it's operator>>), and avoid sticking blindly a TYPE to the opening <, as it can result in '<:' which is a digraph for '['. * src/scan-gram.l (brace_level): Rename as... (nesting): this. (SC_TAG): New. Implement support for complex tags. (tag): Accept \n, but not <. * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template) (b4_symbol_variant): Leave space around types as parameters. * examples/variant.yy: Use nested template types and leading ::. * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt): Rename as... (TAG, TAG_ANY, TAG_NONE, tag.opt): these. * tests/c++.at: Test parametric types.
-*- outline -*- This directory contains Bison skeletons: the general shapes of the different parser kinds, that are specialized for specific grammars by the bison program. Currently, there are only three supported skeletons: - yacc.c It used to be named bison.simple: it corresponds to C Yacc compatible LALR(1) parsers. - lalr1.cc Produces a C++ parser class. It is still very experimental, and not yet supported. Please, subscribe to bison-patches@gnu.org. - glr.c A Generalized LR C parser based on Bison's LALR(1) tables. These skeletons are the only ones supported by the Bison team. Because the interface between skeletons and the bison program is not finished, *we are not bound to it*. In particular, Bison is not mature enough for us to consider that ``foreign skeletons'' are supported. ----- Copyright (C) 2002 Free Software Foundation, Inc. This file is part of GNU Bison. 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/>.