mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
129 lines
3.8 KiB
C++
129 lines
3.8 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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/**
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* Full assembly stack that can support EVM-assembly and Yul as input and EVM, EVM1.5 and
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* Ewasm as output.
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*/
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#pragma once
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#include <liblangutil/ErrorReporter.h>
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#include <liblangutil/EVMVersion.h>
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#include <libyul/Object.h>
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#include <libyul/ObjectParser.h>
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#include <libsolidity/interface/OptimiserSettings.h>
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#include <libevmasm/LinkerObject.h>
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#include <memory>
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#include <string>
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namespace solidity::langutil
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{
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class Scanner;
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}
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namespace solidity::yul
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{
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class AbstractAssembly;
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struct MachineAssemblyObject
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{
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std::shared_ptr<evmasm::LinkerObject> bytecode;
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std::string assembly;
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std::unique_ptr<std::string> sourceMappings;
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};
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/*
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* Full assembly stack that can support EVM-assembly and Yul as input and EVM, EVM1.5 and
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* Ewasm as output.
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*/
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class AssemblyStack
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{
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public:
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enum class Language { Yul, Assembly, StrictAssembly, Ewasm };
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enum class Machine { EVM, EVM15, Ewasm };
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AssemblyStack():
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AssemblyStack(langutil::EVMVersion{}, Language::Assembly, solidity::frontend::OptimiserSettings::none())
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{}
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AssemblyStack(langutil::EVMVersion _evmVersion, Language _language, solidity::frontend::OptimiserSettings _optimiserSettings):
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m_language(_language),
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m_evmVersion(_evmVersion),
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m_optimiserSettings(std::move(_optimiserSettings)),
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m_errorReporter(m_errors)
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{}
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/// @returns the scanner used during parsing
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langutil::Scanner const& scanner() const;
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/// Runs parsing and analysis steps, returns false if input cannot be assembled.
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/// Multiple calls overwrite the previous state.
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bool parseAndAnalyze(std::string const& _sourceName, std::string const& _source);
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/// Run the optimizer suite. Can only be used with Yul or strict assembly.
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/// If the settings (see constructor) disabled the optimizer, nothing is done here.
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void optimize();
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/// Translate the source to a different language / dialect.
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void translate(Language _targetLanguage);
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/// Run the assembly step (should only be called after parseAndAnalyze).
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MachineAssemblyObject assemble(Machine _machine) const;
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/// Run the assembly step (should only be called after parseAndAnalyze).
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/// In addition to the value returned by @a assemble, returns
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/// a second object that is guessed to be the runtime code.
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/// Only available for EVM.
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std::pair<MachineAssemblyObject, MachineAssemblyObject> assembleAndGuessRuntime() const;
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/// @returns the errors generated during parsing, analysis (and potentially assembly).
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langutil::ErrorList const& errors() const { return m_errors; }
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/// Pretty-print the input after having parsed it.
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std::string print() const;
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/// Return the parsed and analyzed object.
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std::shared_ptr<Object> parserResult() const;
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private:
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bool analyzeParsed();
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bool analyzeParsed(yul::Object& _object);
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void compileEVM(yul::AbstractAssembly& _assembly, bool _evm15, bool _optimize) const;
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void optimize(yul::Object& _object, bool _isCreation);
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Language m_language = Language::Assembly;
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langutil::EVMVersion m_evmVersion;
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solidity::frontend::OptimiserSettings m_optimiserSettings;
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std::shared_ptr<langutil::Scanner> m_scanner;
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bool m_analysisSuccessful = false;
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std::shared_ptr<yul::Object> m_parserResult;
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langutil::ErrorList m_errors;
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langutil::ErrorReporter m_errorReporter;
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std::unique_ptr<std::string> m_sourceMappings;
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};
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}
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