mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Basic infrastructure.
This commit is contained in:
Daniel Kirchner
committed by
Nikola Matic
Nikola Matic
parent
9bce5f91dc
commit
fa815764dd
@@ -0,0 +1,160 @@
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/*
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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/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 <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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) const
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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) const
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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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}
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code << "revert(0,0)\n";
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code << "}\n";
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for (FunctionDefinition const* f: _contract.definedFunctions())
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code << generate(*f);
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return code.str();
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}
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string IRGenerator::generate(FunctionDefinition const& _function) const
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{
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std::stringstream code;
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code << "function " << IRNames::function(_function) << "() {\n";
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for (auto _statement: _function.body().statements())
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{
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if (auto assembly = dynamic_cast<InlineAssembly const*>(_statement.get()))
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code << generate(*assembly) << "\n";
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else
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solUnimplemented("Unsupported statement type.");
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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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namespace {
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struct CopyTranslate: public yul::ASTCopier
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{
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CopyTranslate(
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yul::Dialect const& _dialect,
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map<yul::Identifier const*, void*> _references
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): m_dialect(_dialect), m_references(std::move(_references)) {}
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using ASTCopier::operator();
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yul::Expression operator()(yul::Identifier const& _identifier) override
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{
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// The operator() function is only called in lvalue context. In rvalue context,
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// only translate(yul::Identifier) is called.
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if (m_references.count(&_identifier))
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return translateReference(_identifier);
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else
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return ASTCopier::operator()(_identifier);
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}
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yul::YulString translateIdentifier(yul::YulString _name) override
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{
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if (m_dialect.builtin(_name))
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return _name;
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else
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return yul::YulString{"usr$" + _name.str()};
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}
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yul::Identifier translate(yul::Identifier const& _identifier) override
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{
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if (!m_references.count(&_identifier))
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return ASTCopier::translate(_identifier);
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yul::Expression translated = translateReference(_identifier);
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solAssert(holds_alternative<yul::Identifier>(translated));
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return get<yul::Identifier>(std::move(translated));
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}
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private:
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/// Translates a reference to a local variable, potentially including
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/// a suffix. Might return a literal, which causes this to be invalid in
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/// lvalue-context.
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yul::Expression translateReference(yul::Identifier const&)
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{
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solUnimplemented("External references in inline assembly not implemented.");
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}
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yul::Dialect const& m_dialect;
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map<yul::Identifier const*, void*> m_references;
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};
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}
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string IRGenerator::generate(InlineAssembly const& _assembly) const
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{
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CopyTranslate bodyCopier{_assembly.dialect(), {}};
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yul::Statement modified = bodyCopier(_assembly.operations());
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solAssert(holds_alternative<yul::Block>(modified));
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return yul::AsmPrinter()(std::get<yul::Block>(modified));
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}
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@@ -0,0 +1,73 @@
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/*
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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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#pragma once
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#include <libsolidity/interface/DebugSettings.h>
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#include <libsolidity/interface/OptimiserSettings.h>
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#include <libsolidity/ast/ASTForward.h>
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#include <libsolidity/ast/CallGraph.h>
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#include <liblangutil/CharStreamProvider.h>
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#include <liblangutil/DebugInfoSelection.h>
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#include <liblangutil/EVMVersion.h>
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#include <json/json.h>
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#include <string>
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namespace solidity::frontend::experimental
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{
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class SourceUnit;
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class IRGenerator
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{
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public:
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IRGenerator(
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langutil::EVMVersion _evmVersion,
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std::optional<uint8_t> _eofVersion,
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RevertStrings /*_revertStrings*/,
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std::map<std::string, unsigned> /*_sourceIndices*/,
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langutil::DebugInfoSelection const& _debugInfoSelection,
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langutil::CharStreamProvider const* _soliditySourceProvider
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):
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m_evmVersion(_evmVersion),
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m_eofVersion(_eofVersion),
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m_debugInfoSelection(_debugInfoSelection),
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m_soliditySourceProvider(_soliditySourceProvider)
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{}
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std::string run(
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ContractDefinition const& _contract,
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bytes const& _cborMetadata,
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std::map<ContractDefinition const*, std::string_view const> const& _otherYulSources
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) const;
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std::string generate(ContractDefinition const& _contract) const;
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std::string generate(FunctionDefinition const& _function) const;
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std::string generate(InlineAssembly const& _assembly) const;
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private:
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langutil::EVMVersion const m_evmVersion;
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std::optional<uint8_t> const m_eofVersion;
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OptimiserSettings const m_optimiserSettings;
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langutil::DebugInfoSelection m_debugInfoSelection = {};
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langutil::CharStreamProvider const* m_soliditySourceProvider = nullptr;
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};
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}
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