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/*
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 <libsolidity/ast/ASTEnums.h>
#include <libsolidity/ast/ASTForward.h>
#include <libsolidity/ast/ASTVisitor.h>
#include <libsolidity/interface/ErrorReporter.h>
#include <map>
#include <memory>
namespace dev
{
namespace solidity
{
class ASTNode;
class FunctionDefinition;
class ModifierDefinition;
class Identifier;
class MemberAccess;
class IndexAccess;
class ModifierInvocation;
class FunctionCall;
class InlineAssembly;
class ViewPureChecker: private ASTConstVisitor
{
public:
ViewPureChecker(std::vector<std::shared_ptr<ASTNode>> const& _ast, ErrorReporter& _errorReporter):
m_ast(_ast), m_errorReporter(_errorReporter) {}
bool check();
private:
virtual bool visit(FunctionDefinition const& _funDef) override;
virtual void endVisit(FunctionDefinition const& _funDef) override;
virtual bool visit(ModifierDefinition const& _modifierDef) override;
virtual void endVisit(ModifierDefinition const& _modifierDef) override;
virtual void endVisit(Identifier const& _identifier) override;
virtual void endVisit(MemberAccess const& _memberAccess) override;
virtual void endVisit(IndexAccess const& _indexAccess) override;
virtual void endVisit(ModifierInvocation const& _modifier) override;
virtual void endVisit(FunctionCall const& _functionCall) override;
virtual void endVisit(InlineAssembly const& _inlineAssembly) override;
/// Called when an element of mutability @a _mutability is encountered.
/// Creates appropriate warnings and errors and sets @a m_currentBestMutability.
void reportMutability(StateMutability _mutability, ASTNode const& _node);
std::vector<std::shared_ptr<ASTNode>> const& m_ast;
ErrorReporter& m_errorReporter;
bool m_errors = false;
StateMutability m_currentBestMutability = StateMutability::Payable;
FunctionDefinition const* m_currentFunction = nullptr;
std::map<ModifierDefinition const*, StateMutability> m_inferredMutability;
};
}
}
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