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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/>.
*/
/**
* @author Alex Beregszaszi
* Removes unused JUMPDESTs.
*/
#pragma once
#include <vector>
#include <cstddef>
#include <set>
namespace dev
{
namespace eth
{
class AssemblyItem;
using AssemblyItems = std::vector<AssemblyItem>;
class JumpdestRemover
{
public:
explicit JumpdestRemover(AssemblyItems& _items): m_items(_items) {}
bool optimise(std::set<size_t> const& _tagsReferencedFromOutside);
/// @returns a set of all tags from the given sub-assembly that are referenced
/// from the given list of items.
static std::set<size_t> referencedTags(AssemblyItems const& _items, size_t _subId);
private:
AssemblyItems& m_items;
};
}
}
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