solidity/libyul/backends/evm/EVMObjectCompiler.cpp

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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/>.
*/
// SPDX-License-Identifier: GPL-3.0
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/**
* Compiler that transforms Yul Objects to EVM bytecode objects.
*/
#include <libyul/backends/evm/EVMObjectCompiler.h>
#include <libyul/backends/evm/EVMCodeTransform.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libyul/Object.h>
#include <libyul/Exceptions.h>
#include <libevmasm/Assembly.h>
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using namespace solidity::yul;
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using namespace std;
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void EVMObjectCompiler::compile(Object& _object, AbstractAssembly& _assembly, EVMDialect const& _dialect, bool _evm15, bool _optimize)
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{
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EVMObjectCompiler compiler(_assembly, _dialect, _evm15);
compiler.run(_object, _optimize);
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}
void EVMObjectCompiler::run(Object& _object, bool _optimize)
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{
BuiltinContext context;
context.currentObject = &_object;
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for (auto const& subNode: _object.subObjects)
if (auto* subObject = dynamic_cast<Object*>(subNode.get()))
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{
auto subAssemblyAndID = m_assembly.createSubAssembly();
context.subIDs[subObject->name] = subAssemblyAndID.second;
subObject->subId = subAssemblyAndID.second;
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compile(*subObject, *subAssemblyAndID.first, m_dialect, m_evm15, _optimize);
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}
else
{
Data const& data = dynamic_cast<Data const&>(*subNode);
context.subIDs[data.name] = m_assembly.appendData(data.data);
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}
yulAssert(_object.analysisInfo, "No analysis info.");
yulAssert(_object.code, "No code.");
// We do not catch and re-throw the stack too deep exception here because it is a YulException,
// which should be native to this part of the code.
CodeTransform transform{m_assembly, *_object.analysisInfo, *_object.code, m_dialect, context, _optimize, m_evm15};
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transform(*_object.code);
if (!transform.stackErrors().empty())
BOOST_THROW_EXCEPTION(transform.stackErrors().front());
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}