mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
e39433198d
Prior to this half of the codebase used explicit deleted copy constructors, the others used boost::noncopyable.
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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This file is part of solidity.
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solidity 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 3 of the License, or
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(at your option) any later version.
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solidity 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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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Container of the (implicit and explicit) global objects.
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*/
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#pragma once
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#include <libsolidity/ast/ASTForward.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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namespace solidity::frontend
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{
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class Type; // forward
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/**
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* Container for all global objects which look like AST nodes, but are not part of the AST
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* that is currently being compiled.
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* @note must not be destroyed or moved during compilation as its objects can be referenced from
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* other objects.
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*/
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class GlobalContext
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{
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public:
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/// Noncopyable.
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GlobalContext(GlobalContext const&) = delete;
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GlobalContext& operator=(GlobalContext const&) = delete;
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GlobalContext();
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void setCurrentContract(ContractDefinition const& _contract);
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void resetCurrentContract() { m_currentContract = nullptr; }
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MagicVariableDeclaration const* currentThis() const;
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MagicVariableDeclaration const* currentSuper() const;
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/// @returns a vector of all implicit global declarations excluding "this".
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std::vector<Declaration const*> declarations() const;
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private:
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std::vector<std::shared_ptr<MagicVariableDeclaration const>> m_magicVariables;
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ContractDefinition const* m_currentContract = nullptr;
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std::map<ContractDefinition const*, std::shared_ptr<MagicVariableDeclaration const>> mutable m_thisPointer;
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std::map<ContractDefinition const*, std::shared_ptr<MagicVariableDeclaration const>> mutable m_superPointer;
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};
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}
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