solidity/libyul/optimiser/ForLoopInitRewriter.h

48 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/>.
*/
// SPDX-License-Identifier: GPL-3.0
#pragma once
#include <libyul/optimiser/ASTWalker.h>
#include <libyul/optimiser/OptimiserStep.h>
namespace solidity::yul
{
/**
* Rewrites ForLoop by moving the pre statement block in front of the ForLoop.
* Requirements:
* - The Disambiguator must be run upfront.
*/
class ForLoopInitRewriter: public ASTModifier
{
public:
static constexpr char const* name{"ForLoopInitRewriter"};
static void run(OptimiserStepContext&, Block& _ast)
{
ForLoopInitRewriter{}(_ast);
}
using ASTModifier::operator();
void operator()(Block& _block) override;
private:
ForLoopInitRewriter() = default;
};
}