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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/>.
*/
/**
* Component that can compare ASTs for equality on a syntactic basis.
*/
#pragma once
#include <libyul/ASTDataForward.h>
#include <vector>
namespace dev
{
namespace yul
{
/**
* Component that can compare ASTs for equality on a syntactic basis.
* Ignores source locations but requires exact matches otherwise.
*
* TODO: Only implemented for Expressions for now.
* A future version might also recognize renamed variables and thus could be used to
* remove duplicate functions.
*/
class SyntacticalEqualityChecker
{
public:
static bool equal(Expression const& _e1, Expression const& _e2);
protected:
static bool equalVector(std::vector<Expression> const& _e1, std::vector<Expression> const& _e2);
};
}
}
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