solidity/libsolidity/formal/VariableUsage.h

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2017-09-28 13:24:24 +00:00
/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <map>
#include <set>
#include <vector>
namespace dev
{
namespace solidity
{
class ASTNode;
class Declaration;
/**
* This class collects information about which local variables of value type
* are modified in which parts of the AST.
*/
class VariableUsage
{
public:
explicit VariableUsage(ASTNode const& _node);
std::vector<Declaration const*> touchedVariables(ASTNode const& _node) const;
private:
// Variable touched by a specific AST node.
std::map<ASTNode const*, Declaration const*> m_touchedVariable;
std::map<ASTNode const*, std::vector<ASTNode const*>> m_children;
};
}
}