/* 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 /** * Parser for Yul code and data object container. */ #pragma once #include <libyul/YulString.h> #include <libyul/Object.h> #include <libyul/Dialect.h> #include <liblangutil/ErrorReporter.h> #include <liblangutil/ParserBase.h> #include <libsolutil/Common.h> #include <memory> namespace solidity::langutil { class Scanner; } namespace solidity::yul { /** * Yul object parser. Invokes the inline assembly parser. */ class ObjectParser: public langutil::ParserBase { public: explicit ObjectParser(langutil::ErrorReporter& _errorReporter, Dialect const& _dialect): ParserBase(_errorReporter), m_dialect(_dialect) {} /// Parses a Yul object. /// Falls back to code-only parsing if the source starts with `{`. /// @param _reuseScanner if true, do check for end of input after the last `}`. /// @returns an empty shared pointer on error. std::shared_ptr<Object> parse(std::shared_ptr<langutil::Scanner> const& _scanner, bool _reuseScanner); private: std::optional<SourceNameMap> tryParseSourceNameMapping() const; std::shared_ptr<Object> parseObject(Object* _containingObject = nullptr); std::shared_ptr<Block> parseCode(std::optional<SourceNameMap> _sourceNames); std::shared_ptr<Block> parseBlock(std::optional<SourceNameMap> _sourceNames); void parseData(Object& _containingObject); /// Tries to parse a name that is non-empty and unique inside the containing object. YulString parseUniqueName(Object const* _containingObject); void addNamedSubObject(Object& _container, YulString _name, std::shared_ptr<ObjectNode> _subObject); Dialect const& m_dialect; }; }