solidity/libyul/backends/evm/EthAssemblyAdapter.h

82 lines
2.9 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
/**
* Adaptor between AbstractAssembly and libevmasm.
*/
#pragma once
#include <libyul/backends/evm/AbstractAssembly.h>
#include <libyul/AsmAnalysis.h>
#include <liblangutil/SourceLocation.h>
#include <functional>
#include <limits>
namespace solidity::evmasm
{
class Assembly;
class AssemblyItem;
}
namespace solidity::yul
{
class EthAssemblyAdapter: public AbstractAssembly
{
public:
explicit EthAssemblyAdapter(evmasm::Assembly& _assembly);
void setSourceLocation(langutil::SourceLocation const& _location) override;
int stackHeight() const override;
void setStackHeight(int height) override;
void appendInstruction(evmasm::Instruction _instruction) override;
void appendConstant(u256 const& _constant) override;
void appendLabel(LabelID _labelId) override;
void appendLabelReference(LabelID _labelId) override;
size_t newLabelId() override;
size_t namedLabel(std::string const& _name, size_t _params, size_t _returns, std::optional<size_t> _sourceID) override;
void appendLinkerSymbol(std::string const& _linkerSymbol) override;
void appendVerbatim(bytes _data, size_t _arguments, size_t _returnVariables) override;
void appendJump(int _stackDiffAfter, JumpType _jumpType) override;
void appendJumpTo(LabelID _labelId, int _stackDiffAfter, JumpType _jumpType) override;
void appendJumpToIf(LabelID _labelId, JumpType _jumpType) override;
void appendAssemblySize() override;
std::pair<std::shared_ptr<AbstractAssembly>, SubID> createSubAssembly(bool _creation, std::string _name = {}) override;
void appendDataOffset(std::vector<SubID> const& _subPath) override;
void appendDataSize(std::vector<SubID> const& _subPath) override;
SubID appendData(bytes const& _data) override;
void appendToAuxiliaryData(bytes const& _data) override;
void appendImmutable(std::string const& _identifier) override;
void appendImmutableAssignment(std::string const& _identifier) override;
void markAsInvalid() override;
langutil::EVMVersion evmVersion() const override;
private:
static LabelID assemblyTagToIdentifier(evmasm::AssemblyItem const& _tag);
void appendJumpInstruction(evmasm::Instruction _instruction, JumpType _jumpType);
evmasm::Assembly& m_assembly;
std::map<SubID, u256> m_dataHashBySubId;
size_t m_nextDataCounter = std::numeric_limits<size_t>::max() / 2;
};
}