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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2014
* Container of the (implicit and explicit) global objects.
*/
#pragma once
#include <string>
#include <vector>
#include <map>
#include <memory>
#include <boost/noncopyable.hpp>
#include <libsolidity/ast/ASTForward.h>
namespace dev
{
namespace solidity
{
class Type; // forward
/**
* Container for all global objects which look like AST nodes, but are not part of the AST
* that is currently being compiled.
* @note must not be destroyed or moved during compilation as its objects can be referenced from
* other objects.
*/
class GlobalContext: private boost::noncopyable
{
public:
GlobalContext();
void setCurrentContract(ContractDefinition const& _contract);
MagicVariableDeclaration const* currentThis() const;
MagicVariableDeclaration const* currentSuper() const;
/// @returns a vector of all implicit global declarations excluding "this".
std::vector<Declaration const*> declarations() const;
private:
std::vector<std::shared_ptr<MagicVariableDeclaration const>> m_magicVariables;
ContractDefinition const* m_currentContract = nullptr;
std::map<ContractDefinition const*, std::shared_ptr<MagicVariableDeclaration const>> mutable m_thisPointer;
std::map<ContractDefinition const*, std::shared_ptr<MagicVariableDeclaration const>> mutable m_superPointer;
};
}
}
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