mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
73 lines
2.0 KiB
C++
73 lines
2.0 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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* Parser for Yul code and data object container.
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*/
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#pragma once
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#include <libyul/YulString.h>
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#include <libyul/Object.h>
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#include <liblangutil/ErrorReporter.h>
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#include <liblangutil/ParserBase.h>
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#include <libdevcore/Common.h>
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#include <memory>
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namespace langutil
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{
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class Scanner;
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}
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namespace yul
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{
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/**
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* Yul object parser. Invokes the inline assembly parser.
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*/
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class ObjectParser: public langutil::ParserBase
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{
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public:
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explicit ObjectParser(
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langutil::ErrorReporter& _errorReporter,
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yul::AsmFlavour _flavour = yul::AsmFlavour::Loose
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):
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ParserBase(_errorReporter), m_flavour(_flavour) {}
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/// Parses a Yul object.
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/// Falls back to code-only parsing if the source starts with `{`.
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/// @param _reuseScanner if true, do check for end of input after the last `}`.
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/// @returns an empty shared pointer on error.
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std::shared_ptr<Object> parse(std::shared_ptr<langutil::Scanner> const& _scanner, bool _reuseScanner);
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private:
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std::shared_ptr<Object> parseObject(Object* _containingObject = nullptr);
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std::shared_ptr<Block> parseCode();
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std::shared_ptr<Block> parseBlock();
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void parseData(Object& _containingObject);
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/// Tries to parse a name that is non-empty and unique inside the containing object.
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YulString parseUniqueName(Object const* _containingObject);
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void addNamedSubObject(Object& _container, YulString _name, std::shared_ptr<ObjectNode> _subObject);
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yul::AsmFlavour m_flavour;
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};
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}
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