add first Qt6 version of musredit, mupp, etc.
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src/musredit_qt6/mupp/var/include/PAnnotation.hpp
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103
src/musredit_qt6/mupp/var/include/PAnnotation.hpp
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/***************************************************************************
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PAnnotation.hpp
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Author: Andreas Suter
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e-mail: andreas.suter@psi.ch
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Based on Joel de Guzman example on calc7,
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see https://github.com/boostorg/spirit
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***************************************************************************/
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/***************************************************************************
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* Copyright (C) 2020 by Andreas Suter *
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* andreas.suter@psi.ch *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef _PANNOTATION_HPP_
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#define _PANNOTATION_HPP_
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#include <map>
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#include <boost/variant/apply_visitor.hpp>
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#include <boost/type_traits/is_base_of.hpp>
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#include <boost/mpl/bool.hpp>
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#include "PAst.hpp"
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namespace mupp
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{
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///////////////////////////////////////////////////////////////////////////////
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// The annotation handler links the AST to a map of iterator positions
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// for the purpose of subsequent semantic error handling when the
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// program is being compiled.
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///////////////////////////////////////////////////////////////////////////////
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template <typename Iterator>
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struct PAnnotation
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{
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template <typename, typename>
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struct result { typedef void type; };
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std::vector<Iterator>& iters;
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PAnnotation(std::vector<Iterator>& iters) : iters(iters) {}
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struct set_id
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{
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typedef void result_type;
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int id;
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set_id(int id) : id(id) {}
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template <typename T>
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void operator()(T& x) const
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{
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this->dispatch(x, boost::is_base_of<ast::tagged, T>());
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}
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// This will catch all nodes except those inheriting from ast::tagged
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template <typename T>
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void dispatch(T& x, boost::mpl::false_) const
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{
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// (no-op) no need for tags
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}
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// This will catch all nodes inheriting from ast::tagged
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template <typename T>
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void dispatch(T& x, boost::mpl::true_) const
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{
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x.id = id;
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}
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};
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void operator()(ast::operand& ast, Iterator pos) const
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{
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int id = iters.size();
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iters.push_back(pos);
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boost::apply_visitor(set_id(id), ast);
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}
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void operator()(ast::assignment& ast, Iterator pos) const
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{
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int id = iters.size();
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iters.push_back(pos);
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ast.lhs.id = id;
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}
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};
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}
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#endif // _PANNOTATION_HPP_
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