mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/*
|
|
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/>.
|
|
*/
|
|
/**
|
|
* @author Christian <c@ethdev.com>
|
|
* @date 2015
|
|
* Evaluator for types of constant expressions.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/ast/ASTVisitor.h>
|
|
|
|
namespace dev
|
|
{
|
|
namespace solidity
|
|
{
|
|
|
|
class TypeChecker;
|
|
|
|
/**
|
|
* Small drop-in replacement for TypeChecker to evaluate simple expressions of integer constants.
|
|
*/
|
|
class ConstantEvaluator: private ASTConstVisitor
|
|
{
|
|
public:
|
|
ConstantEvaluator(Expression const& _expr) { _expr.accept(*this); }
|
|
|
|
private:
|
|
virtual void endVisit(BinaryOperation const& _operation);
|
|
virtual void endVisit(UnaryOperation const& _operation);
|
|
virtual void endVisit(Literal const& _literal);
|
|
|
|
};
|
|
|
|
}
|
|
}
|