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/*
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/>.
*/
/**
* Parser for Yul code and data object container.
*/
#pragma once
#include <libyul/YulString.h>
#include <libyul/Object.h>
#include <liblangutil/ErrorReporter.h>
#include <liblangutil/ParserBase.h>
#include <libdevcore/Common.h>
#include <memory>
namespace langutil
{
class Scanner;
}
namespace yul
{
/**
* Yul object parser. Invokes the inline assembly parser.
*/
class ObjectParser: public langutil::ParserBase
{
public:
explicit ObjectParser(
langutil::ErrorReporter& _errorReporter,
yul::AsmFlavour _flavour = yul::AsmFlavour::Loose
):
ParserBase(_errorReporter), m_flavour(_flavour) {}
/// 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::shared_ptr<Object> parseObject(Object* _containingObject = nullptr);
std::shared_ptr<Block> parseCode();
std::shared_ptr<Block> parseBlock();
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);
yul::AsmFlavour m_flavour;
};
}
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