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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/>.
*/
/**
* Module responsible for registering identifiers inside their scopes.
*/
#pragma once
#include <libsolidity/inlineasm/AsmDataForward.h>
#include <boost/variant.hpp>
#include <functional>
#include <memory>
namespace dev
{
struct SourceLocation;
namespace solidity
{
class ErrorReporter;
namespace assembly
{
struct TypedName;
struct Scope;
struct AsmAnalysisInfo;
/**
* Fills scopes with identifiers and checks for name clashes.
* Does not resolve references.
*/
class ScopeFiller: public boost::static_visitor<bool>
{
public:
ScopeFiller(AsmAnalysisInfo& _info, ErrorReporter& _errorReporter);
bool operator()(assembly::Instruction const&) { return true; }
bool operator()(assembly::Literal const&) { return true; }
bool operator()(assembly::Identifier const&) { return true; }
bool operator()(assembly::FunctionalInstruction const&) { return true; }
bool operator()(assembly::Label const& _label);
bool operator()(assembly::StackAssignment const&) { return true; }
bool operator()(assembly::Assignment const&) { return true; }
bool operator()(assembly::VariableDeclaration const& _variableDeclaration);
bool operator()(assembly::FunctionDefinition const& _functionDefinition);
bool operator()(assembly::FunctionCall const&) { return true; }
bool operator()(assembly::If const& _if);
bool operator()(assembly::Switch const& _switch);
bool operator()(assembly::ForLoop const& _forLoop);
bool operator()(assembly::Block const& _block);
private:
bool registerVariable(
TypedName const& _name,
SourceLocation const& _location,
Scope& _scope
);
Scope& scope(assembly::Block const* _block);
Scope* m_currentScope = nullptr;
AsmAnalysisInfo& m_info;
ErrorReporter& m_errorReporter;
};
}
}
}
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