mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
126 lines
3.6 KiB
C++
126 lines
3.6 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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#include <libsolidity/codegen/experimental/IRGenerator.h>
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#include <libsolidity/codegen/experimental/IRGenerationContext.h>
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#include <libsolidity/codegen/experimental/IRGeneratorForStatements.h>
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#include <libsolidity/codegen/ir/Common.h>
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#include <libyul/YulStack.h>
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#include <libyul/AsmPrinter.h>
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#include <libyul/AST.h>
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#include <libyul/optimiser/ASTCopier.h>
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#include <liblangutil/SourceReferenceFormatter.h>
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#include <libsolutil/Whiskers.h>
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#include <range/v3/view/drop_last.hpp>
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#include <variant>
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using namespace std;
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using namespace solidity;
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using namespace solidity::frontend::experimental;
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using namespace solidity::langutil;
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using namespace solidity::util;
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string IRGenerator::run(
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ContractDefinition const& _contract,
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bytes const& /*_cborMetadata*/,
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map<ContractDefinition const*, string_view const> const& /*_otherYulSources*/
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)
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{
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Whiskers t(R"(
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object "<CreationObject>" {
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code {
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codecopy(0, dataoffset("<DeployedObject>"), datasize("<DeployedObject>"))
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return(0, datasize("<DeployedObject>"))
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}
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object "<DeployedObject>" {
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code {
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<code>
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}
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}
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}
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)");
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t("CreationObject", IRNames::creationObject(_contract));
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t("DeployedObject", IRNames::deployedObject(_contract));
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t("code", generate(_contract));
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return t.render();
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}
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string IRGenerator::generate(ContractDefinition const& _contract)
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{
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std::stringstream code;
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code << "{\n";
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if (_contract.fallbackFunction())
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{
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code << IRNames::function(*_contract.fallbackFunction()) << "()\n";
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m_context.functionQueue.emplace_front(_contract.fallbackFunction());
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}
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code << "revert(0,0)\n";
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code << "}\n";
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while (!m_context.functionQueue.empty())
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{
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FunctionDefinition const* function = m_context.functionQueue.front();
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m_context.functionQueue.pop_front();
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if (!m_context.generatedFunctions.count(function))
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{
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m_context.generatedFunctions.insert(function);
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code << generate(*function);
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}
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}
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return code.str();
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}
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string IRGenerator::generate(FunctionDefinition const& _function)
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{
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std::stringstream code;
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code << "function " << IRNames::function(_function) << "(";
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if (_function.parameters().size() > 1)
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for (auto const& arg: _function.parameters() | ranges::view::drop_last(1))
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code << IRNames::localVariable(*arg) << ", ";
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if (!_function.parameters().empty())
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code << IRNames::localVariable(*_function.parameters().back());
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code << ")";
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if (_function.returnParameterList() && !_function.returnParameters().empty())
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{
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code << " -> ";
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if (_function.returnParameters().size() > 1)
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for (auto const& arg: _function.returnParameters() | ranges::view::drop_last(1))
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code << IRNames::localVariable(*arg) << ", ";
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if (!_function.returnParameters().empty())
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code << IRNames::localVariable(*_function.returnParameters().back());
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}
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code << "{\n";
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for (auto _statement: _function.body().statements())
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{
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IRGeneratorForStatements statementGenerator{m_context};
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code << statementGenerator.generate(*_statement);
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}
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code << "}\n";
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return code.str();
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}
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