mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
127 lines
3.4 KiB
C++
127 lines
3.4 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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// SPDX-License-Identifier: GPL-3.0
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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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#include <liblangutil/ParserBase.h>
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#include <liblangutil/Scanner.h>
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#include <liblangutil/ErrorReporter.h>
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using namespace solidity;
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using namespace solidity::langutil;
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SourceLocation ParserBase::currentLocation() const
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{
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return m_scanner->currentLocation();
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}
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Token ParserBase::currentToken() const
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{
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return m_scanner->currentToken();
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}
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Token ParserBase::peekNextToken() const
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{
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return m_scanner->peekNextToken();
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}
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std::string ParserBase::currentLiteral() const
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{
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return m_scanner->currentLiteral();
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}
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Token ParserBase::advance()
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{
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return m_scanner->next();
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}
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std::string ParserBase::tokenName(Token _token)
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{
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if (_token == Token::Identifier)
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return "identifier";
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else if (_token == Token::EOS)
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return "end of source";
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else if (TokenTraits::isReservedKeyword(_token))
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return "reserved keyword '" + TokenTraits::friendlyName(_token) + "'";
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else if (TokenTraits::isElementaryTypeName(_token)) //for the sake of accuracy in reporting
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{
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ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken();
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return "'" + elemTypeName.toString() + "'";
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}
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else
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return "'" + TokenTraits::friendlyName(_token) + "'";
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}
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void ParserBase::expectToken(Token _value, bool _advance)
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{
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Token tok = m_scanner->currentToken();
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if (tok != _value)
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fatalParserError(
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2314_error,
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"Expected " + ParserBase::tokenName(_value) + " but got " + tokenName(tok)
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);
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if (_advance)
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advance();
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}
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void ParserBase::increaseRecursionDepth()
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{
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m_recursionDepth++;
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if (m_recursionDepth >= 1200)
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fatalParserError(7319_error, "Maximum recursion depth reached during parsing.");
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}
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void ParserBase::decreaseRecursionDepth()
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{
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solAssert(m_recursionDepth > 0, "");
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m_recursionDepth--;
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}
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void ParserBase::parserWarning(ErrorId _error, std::string const& _description)
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{
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m_errorReporter.warning(_error, currentLocation(), _description);
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}
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void ParserBase::parserWarning(ErrorId _error, SourceLocation const& _location, std::string const& _description)
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{
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m_errorReporter.warning(_error, _location, _description);
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}
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void ParserBase::parserError(ErrorId _error, SourceLocation const& _location, std::string const& _description)
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{
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m_errorReporter.parserError(_error, _location, _description);
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}
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void ParserBase::parserError(ErrorId _error, std::string const& _description)
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{
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parserError(_error, currentLocation(), _description);
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}
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void ParserBase::fatalParserError(ErrorId _error, std::string const& _description)
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{
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fatalParserError(_error, currentLocation(), _description);
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}
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void ParserBase::fatalParserError(ErrorId _error, SourceLocation const& _location, std::string const& _description)
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{
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m_errorReporter.fatalParserError(_error, _location, _description);
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}
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