mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
75 lines
2.0 KiB
C++
75 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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* @author Christian <c@ethdev.com>
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* @date 2016
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* Solidity parser shared functionality.
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*/
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#pragma once
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#include <memory>
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#include <libsolidity/interface/Exceptions.h>
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#include <libsolidity/parsing/Token.h>
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#include <libsolidity/ast/ASTForward.h>
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namespace dev
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{
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namespace solidity
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{
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class Scanner;
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class ParserBase
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{
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public:
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ParserBase(ErrorList& errors): m_errors(errors) {}
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std::shared_ptr<std::string const> const& sourceName() const;
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protected:
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/// Start position of the current token
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int position() const;
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/// End position of the current token
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int endPosition() const;
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///@{
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///@name Helper functions
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/// If current token value is not _value, throw exception otherwise advance token.
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void expectToken(Token::Value _value);
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Token::Value expectAssignmentOperator();
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ASTPointer<ASTString> expectIdentifierToken();
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ASTPointer<ASTString> getLiteralAndAdvance();
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///@}
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/// Creates a @ref ParserError and annotates it with the current position and the
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/// given @a _description.
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void parserError(std::string const& _description);
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/// Creates a @ref ParserError and annotates it with the current position and the
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/// given @a _description. Throws the FatalError.
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void fatalParserError(std::string const& _description);
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std::shared_ptr<Scanner> m_scanner;
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/// The reference to the list of errors and warning to add errors/warnings during parsing
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ErrorList& m_errors;
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};
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}
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}
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