C:/Projets/hexamonkey/core/interpreter/scope/localscope.h
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00001 //This file is part of the HexaMonkey project, a multimedia analyser
00002 //Copyright (C) 2013  Sevan Drapeau-Martin, Nicolas Fleury
00003 
00004 //This program is free software; you can redistribute it and/or
00005 //modify it under the terms of the GNU General Public License
00006 //as published by the Free Software Foundation; either version 2
00007 //of the License, or (at your option) any later version.
00008 
00009 //This program is distributed in the hope that it will be useful,
00010 //but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 //GNU General Public License for more details.
00013 
00014 //You should have received a copy of the GNU General Public License
00015 //along with this program; if not, write to the Free Software
00016 //Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00017 
00018 #ifndef LOCALSCOPE_H
00019 #define LOCALSCOPE_H
00020 
00021 #include <unordered_map>
00022 #include <string>
00023 
00024 #include "core/interpreter/scope/scope.h"
00025 
00026 class Variable;
00027 
00033 class LocalScope : public Scope
00034 {
00035 public:
00036     LocalScope(const Scope::Ptr& contextScope = Ptr());
00037     LocalScope(Scope* contextScope);
00038 
00039 protected:
00040     virtual Variable doGet(const Variant& key, bool modifiable) override;
00041     virtual Variable doDeclare(const Variant& key, const Variant &initialValue) override;
00042     virtual Ptr doGetScope(const Variant &key) override;
00043     virtual bool doAssignSubscope(const Variant &key, const Ptr &subscope) override;
00044     virtual void doRemove(const Variant &key) override;
00045 
00046 private:
00047     std::unordered_map<std::string, Variable> _variables;
00048     std::unordered_map<std::string, Ptr> _subscopes;
00049     Ptr _contextScope;
00050 };
00051 
00052 #endif // LOCALSCOPE_H